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        <NamePerson>JANE C EDMUNDS</NamePerson>
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        <NamePerson>DEBORAH MCKENNA</NamePerson>
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        <NamePerson>EDWARD ESKANDARIAN</NamePerson>
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        <NamePerson>MARYELLEN LEAR</NamePerson>
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        <NamePerson>PETER LLOYD</NamePerson>
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        <NamePerson>DONALD F SNELL</NamePerson>
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        <NamePerson>ROBERT J SCHNEIDER</NamePerson>
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      <DirectContactLegislators>1</DirectContactLegislators>
      <DirectContactLegislatorsAmount>199436</DirectContactLegislatorsAmount>
      <RalliesDemonstrations>1</RalliesDemonstrations>
      <RalliesDemonstrationsAmount>59890</RalliesDemonstrationsAmount>
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      <Form990ScheduleCPartIV>
        <Identifier>PART IV, SUPPLEMENTAL INFORMATION:</Identifier>
        <Explanation>LAHEY CLINIC HOSPITAL, INC. IS IN CONTACT WITH FEDERAL AND STATE LEGISLATORS REGARDING HEALTH CARE REFORM ISSUES THAT WOULD POTENTIALLY HAVE AN IMPACT ON THE ORGANIZATION AND ITS RELATED ORGANIZATIONS. LAHEY CLINIC HOSPITAL, INC. ALSO PAID MEMBER DUES TO THE AMERICAN HOSPITAL ASSOCIATION, TO THE MASSACHUSETTS HOSPITAL ASSOCIATION AND TO SOME OTHER SMALLER ORGANIZATIONS, OF WHICH A PERCENTAGE OF THE DUES WAS ATTRIBUTED TO LOBBYING EFFORTS.</Explanation>
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        <Description>OTHER INVESTMENTS</Description>
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      <OtherAssets>
        <Description>INVESTMENT IN NEPC</Description>
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      <OtherAssets>
        <Description>MALPRACTICE INSURANCE FUNDS RECEIVABLE</Description>
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        <Description>ESTIMATE DUE TO THIRD PARTY INSURANCE</Description>
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        <Identifier>PART XI, LINE 2D - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>PENSION PLAN, POST RETIREMENT RELATED CHANGES, AND CUMULATIVE EFFECT OF CHANGE IN ACCOUNTING PRINCIPLE 156,599,157.</Explanation>
      </Form990ScheduleDPartXIII>
      <Form990ScheduleDPartXIII>
        <Identifier>PART XI, LINE 4B - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>REVENUE COLLECTED BY LAHEY CLINIC FOUNDATION, INC. AND TRANSFERRED TO LAHEY CLINIC HOSPITAL, INC. 1,015,173.</Explanation>
      </Form990ScheduleDPartXIII>
      <Form990ScheduleDPartXIII>
        <Identifier>PART XII, LINE 4B - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>REVENUE COLLECTED BY LAHEY CLINIC FOUNDATION, INC. AND TRANSFERRED TO LAHEY CLINIC HOSPITAL, INC. 1,015,173.</Explanation>
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        <Explanation>THE ORGANIZATION'S FINANCIAL STATEMENTS DID NOT REPORT A LIABILITY FOR UNCERTAIN TAX POSITIONS UNDER FIN 48.</Explanation>
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        <Name>
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        </Name>
        <Address>
          <AddressLine1>41 MALL ROAD</AddressLine1>
          <City>BURLINGTON</City>
          <State>MA</State>
          <ZIPCode>01805</ZIPCode>
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        <TeachingHospital>X</TeachingHospital>
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        <Other>MEDICAL RESEARCH CONDUCTED UNDER THE LAHEY CLINIC, INC.</Other>
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          <BusinessNameLine1>LAHEY CLINIC HOSPITAL INC</BusinessNameLine1>
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        <OtherHealthIssues>X</OtherHealthIssues>
        <IdentifyingProcess>X</IdentifyingProcess>
        <ConsultingProcess>X</ConsultingProcess>
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        <AdoptImplementStrategy>X</AdoptImplementStrategy>
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        <ExplainsBasis>1</ExplainsBasis>
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        <MedicalIndigency>X</MedicalIndigency>
        <InsuranceStatus>X</InsuranceStatus>
        <UninsuredDiscount>X</UninsuredDiscount>
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        <ExplainsApplicationMethod>1</ExplainsApplicationMethod>
        <IncludesPublicityMeasures>1</IncludesPublicityMeasures>
        <PostedOnWebsite>X</PostedOnWebsite>
        <AttachedToInvoices>X</AttachedToInvoices>
        <PostedInEmergencyRoom>X</PostedInEmergencyRoom>
        <PostedInAdmissionOffice>X</PostedInAdmissionOffice>
        <ProvidedOnAdmission>X</ProvidedOnAdmission>
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        <ActionsOnNonpayment>1</ActionsOnNonpayment>
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        <NondiscrimEmergencyCarePolicy>1</NondiscrimEmergencyCarePolicy>
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      </Form990ScheduleHPartVSectionB>
      <Form990ScheduleHPartVI>
        <Explanation>PART I, LINE 7: THE AMOUNTS LISTED ON SCHEDULE H, PART I, LINE 7, ITEMS A, B, C, AND G WERE DETERMINED BY USING THE COST TO CHARGE RATIO CALCULATION INCLUDED IN THE IRS FORM 990 INSTRUCTIONS REFERENCING SCHEDULE H, PART I, LINE 7, IRS WORKSHEET #2.</Explanation>
      </Form990ScheduleHPartVI>
      <Form990ScheduleHPartVI>
        <Explanation>PART III, LINE 4: IN JULY 2011, THE FINANCIAL ACCOUNTING STANDARDS BOARD (FASB) ISSUED ACCOUNTING STANDARDS UPDATE 2011-7 (ASU 2011-7), HEALTH CARE ENTITIES: PRESENTATION AND DISCLOSURE OF NET REVENUE, PROVISION FOR BAD DEBTS AND ALLOWANCE FOR UNCOLLECTABLE ACCOUNTS. UNDER THE NEW GUIDANCE, BAD DEBTS RELATING TO PATIENT SERVICE REVENUE WILL BE SEPARATELY DISCLOSED IN THE STATEMENT OF OPERATIONS AND REPORTED AS A COMPONENT OF NET PATIENT SERVICE REVENUE. BAD DEBTS ASSOCIATED WITH ACTIVITIES OTHER THAN PATIENT SERVICE REVENUE WILL CONTINUE TO BE REPORTED AS OPERATING EXPENSE. LAHEY CLINIC HOSPITAL, INC. ELECTED TO EARLY ADOPT ASU 2011-7 FOR 2012 AND CHANGED ITS REPORTING OF THE PROVISION FOR BAD DEBTS.</Explanation>
      </Form990ScheduleHPartVI>
      <Form990ScheduleHPartVI>
        <Explanation>PART III, LINE 8: THE MEDICARE SHORTFALL OF ($22,541,082) REPORTED IN PART III, LINE 7 WAS CALCULATED BASED ON THE COST TO CHARGE RATIO PER LAHEY CLINIC HOSPITAL, INC'S MEDICARE 2552 COST REPORT FOR YEAR ENDING 09/30/2013. THE ENTIRE AMOUNT SHOULD BE TREATED AS COMMUNITY BENEFIT BECAUSE THE RATES PAID BY MEDICARE DO NOT ACCURATELY REFLECT THE COST OF CARE PROVIDED BY THE HOSPITAL. ACCORDINGLY, THE HOSPITAL MUST SUBSIDIZE THE COST OF CARE PROVIDED TO MEDICARE BENEFICIARIES WITH OTHER REVENUES.</Explanation>
      </Form990ScheduleHPartVI>
      <Form990ScheduleHPartVI>
        <Explanation>PART III, LINE 9B: LAHEY CLINIC HOSPITAL, INC. MAKES THE SAME REASONABLE EFFORT AND FOLLOWS THE SAME REASONABLE PROCESS FOR COLLECTING ON BILLS OWED BY AN UNINSURED PATIENT AS IT DOES FOR ALL OTHER PATIENTS. LAHEY CLINIC HOSPITAL, INC., WHEN REQUESTED BY A PATIENT AND BASED ON AN INTERNAL REVIEW OF EACH PATIENT'S FINANCIAL STATUS, MAY OFFER A PATIENT AN ADDITIONAL DISCOUNT ON AN UNPAID HOSPITAL BILL. ANY SUCH REVIEW SHALL BE PART OF A SEPARATE HOSPITAL FINANCIAL ASSISTANCE PROGRAM THAT IS APPLIED ON A UNIFORM BASIS TO ALL PATIENTS, AND WHICH TAKES INTO CONSIDERATION THE PATIENT'S DOCUMENTED FINANCIAL SITUATION AND THE PATIENT'S INABILITY TO MAKE A PAYMENT AFTER REASONABLE COLLECTION ACTIONS. ANY DISCOUNT THAT IS PROVIDED BY THE HOSPITAL IS CONSISTENT WITH FEDERAL AND STATE REQUIREMENTS, AND DOES NOT INFLUENCE A PATIENT TO RECEIVE SERVICES FROM THE HOSPITAL. BEFORE ANY DEBT COLLECTION EFFORTS BEGIN, LAHEY CLINIC HOSPITAL, INC. WILL FIRST SHOW THAT IT HAS A CURRENT UNPAID BALANCE THAT IS RELATED TO SERVICES PROVIDED TO A PATIENT AND THOSE SERVICES ARE NOT COVERED BY A PRIVATE INSURER, A GOVERNMENT PROGRAM SUCH AS MEDICARE, MEDICAID/MASSHEALTH, THE HEALTH SAFETY NET, TRICARE/VETERANS ADMINISTRATION PROGRAMS OR BY LAHEY CLINIC HOSPITAL, INC'S FINANCIAL ASSISTANCE PROGRAM.LAHEY CLINIC HOSPITAL, INC. FOLLOWS AND DOCUMENTS REASONABLE COLLECTION/BILLING PROCEDURES FOR UNPAID BALANCES, WHICH INCLUDE:(1) AN INITIAL BILL SENT TO THE PATIENT OR THE PARTY RESPONSIBLE FOR THE PATIENT'S PERSONAL FINANCIAL OBLIGATIONS. THE INITIAL BILL WILL INCLUDE INFORMATION ABOUT THE AVAILABILITY OF A FINANCIAL ASSISTANCE PROGRAM THAT MAY COVER THE COST OF THE HOSPITAL'S BILL;(2) SUBSEQUENT BILLINGS, TELEPHONE CALLS, COLLECTION LETTERS, PERSONAL CONTACT NOTICES, COMPUTER NOTIFICATIONS, OR ANY OTHER NOTIFICATION METHOD THAT CONSTITUTES A GENUINE EFFORT TO CONTACT THE PARTY RESPONSIBLE FOR THE OBLIGATION AND INFORMS THE PATIENT OF THE AVAILABILITY OF FINANCIAL ASSISTANCE;(3) IF POSSIBLE, DOCUMENTATION OF ALTERNATIVE EFFORTS TO LOCATE THE PARTY RESPONSIBLE FOR THE OBLIGATION OR THE CORRECT ADDRESS ON BILLINGS RETURNED BY THE POSTAL SERVICE SUCH AS "INCORRECT ADDRESS" OR "UNDELIVERABLE;"(4) SENDING A FINAL NOTICE BY CERTIFIED MAIL FOR UNINSURED PATIENTS (THOSE WHO ARE NOT ENROLLED IN A PUBLIC PROGRAM SUCH AS THE HEALTH SAFETY NET OR MEDICAID/MASSHEALTH) WHO INCUR A BALANCE OF $1,000 AND GREATER, INCLUDING AN EMERGENCY BAD DEBT BALANCE OF $1,000 OR GREATER ON EMERGENCY LEVEL SERVICES, WHERE NOTICES HAVE NOT BEEN RETURNED AS "INCORRECT ADDRESS" OR "UNDELIVERABLE" AND ALSO NOTIFYING THE PATIENTS OF THE AVAILABILITY OF FINANCIAL ASSISTANCE IN THE COMMUNICATION;(5) DOCUMENTATION OF CONTINUOUS BILLING OR COLLECTION ACTION UNDERTAKEN ON A REGULAR, FREQUENT BASIS IS MAINTAINED. SUCH DOCUMENTATION IS MAINTAINED UNTIL AUDIT REVIEW BY A FEDERAL AND/OR STATE AGENCY OF THE FISCAL YEAR COST REPORT IN WHICH THE BILL OR ACCOUNT IS REPORTED. THE FEDERAL MEDICARE PROGRAM AND THE STATE DIVISION OF HEALTH CARE FINANCE AND POLICY FOR PURPOSES OF THE HEALTH SAFETY NET PROGRAM, DEEMS 120 DAYS AS APPROPRIATE FOR CONTINUOUS BILLING OR COLLECTION ACTIONS; AND (6) CHECKING THE MASSACHUSETTS ELIGIBILITY VERIFICATION SYSTEM (EVS) TO ENSURE THAT THE PATIENT IS NOT A LOW INCOME PATIENT AS DETERMINED BY THE OFFICE OF MEDICAID AND HAS NOT SUBMITTED AN APPLICATION TO THE VIRTUAL GATEWAY SYSTEM FOR COVERAGE OF THE SERVICES UNDER A PUBLIC PROGRAM, PRIOR TO SUBMITTING CLAIMS TO THE HEALTH SAFETY NET OFFICE FOR EMERGENCY BAD DEBT COVERAGE OF AN EMERGENCY LEVEL OR URGENT CARE SERVICE. LAHEY CLINIC HOSPITAL, INC. CONTRACTS WITH OUTSIDE COLLECTION AGENCIES TO ASSIST IN THE COLLECTION OF CERTAIN ACCOUNTS, INCLUDING PATIENT RESPONSIBLE AMOUNTS NOT RESOLVED AFTER ISSUANCE OF HOSPITAL BILLS AND/OR FINAL NOTICES.LAHEY CLINIC HOSPITAL, INC. DOES NOT REPORT A PATIENT HOSPITAL DEBT TO A CREDIT REPORTING AGENCY AND HAS NOT REPORTED ANY SUCH DEBTS TO ANY CREDIT REPORTING AGENCY DURING THE TAX YEAR.</Explanation>
      </Form990ScheduleHPartVI>
      <Form990ScheduleHPartVI>
        <Explanation>PART V, SECTION A: LAHEY CLINIC HOSPITAL, INC.'S MAIN CAMPUS IS LOCATED IN BURLINGTON, MASSACHUSETTS. THE MAIN CAMPUS INCLUDES 330 BEDS, 23 OPERATING ROOMS AND A 24-HOUR EMERGENCY ROOM. LAHEY CLINIC HOSPITAL, INC. ALSO HAS THREE OTHER OFFSITE LOCATIONS, OPERATING UNDER THE HOSPITAL LICENSE OF THE MAIN CAMPUS IN BURLINGTON. THE LARGEST OFFSITE LOCATION, LAHEY CLINIC NORTH SHORE, IS LOCATED IN PEABODY, MASSACHUSETTS. LAHEY CLINIC NORTH SHORE INCLUDES 10 BEDS, 5 OPERATING ROOMS AND OPERATES THE CITY OF PEABODY'S ONLY 24-HOUR EMERGENCY ROOM.</Explanation>
      </Form990ScheduleHPartVI>
      <Form990ScheduleHPartVI>
        <Identifier>LAHEY CLINIC HOSPITAL, INC.</Identifier>
        <Explanation>PART V, SECTION B, LINE 1J: IDENTIFIED AND EVALUATED SOCIAL DETERMINANTS OF HEALTH.</Explanation>
      </Form990ScheduleHPartVI>
      <Form990ScheduleHPartVI>
        <Identifier>LAHEY CLINIC HOSPITAL, INC.</Identifier>
        <Explanation>PART V, SECTION B, LINE 3: THE COMMUNITY HEALTH NEEDS ASSESSMENT PROJECT TEAM CONDUCTED A SERIES OF INTERVIEWS WITH LHMC STAFF AND A REPRESENTATIVE SET OF THE LEADING COMMUNITY HEALTH STAKEHOLDERS. THESE INTERVIEWS ALLOWED THE PROJECT TEAM TO ENGAGE THE COMMUNITY AND CAPTURE QUALITATIVE DATA RELATED TO COMMUNITY HEALTH NEEDS, COMMUNITY PRIORITIES, DETERMINANTS OF HEALTH, SERVICE GAPS, BARRIERS TO CARE, AND THE POPULATION GROUPS MOST AT-RISK. THESE INTERVIEWS WERE ALSO CRITICAL TO THE DEVELOPMENT OF LHMC'S COMMUNITY HEALTH IMPROVEMENT PLAN (CHIP) AS THEY PROVIDED IMPORTANT INFORMATION RELATED TO LHMC'S STRATEGIC RESPONSE AND EXPLORED POSSIBLE PARTNERSHIPS.</Explanation>
      </Form990ScheduleHPartVI>
      <Form990ScheduleHPartVI>
        <Identifier>LAHEY CLINIC HOSPITAL, INC.</Identifier>
        <Explanation>PART V, SECTION B, LINE 4: LAHEY CLINIC &amp; MEDICAL CENTER, 41 MALL ROAD, BURLINGTON, MA 01805LAHEY MEDICAL CENTER, ONE ESSEX CENTER DRIVE, PEABODY, MA 01960</Explanation>
      </Form990ScheduleHPartVI>
      <Form990ScheduleHPartVI>
        <Identifier>LAHEY CLINIC HOSPITAL, INC.</Identifier>
        <Explanation>PART V, SECTION B, LINE 5C: PROVIDED BOTH PRINT AND ELECTRONIC FILES TO EACH MUNICIPALITY IN THE PRIMARY SERVICE AREA; SPECIFICALLY THE MANAGER OR MAYOR AS WELL AS THE PUBLIC HEALTH DIRECTOR. IN ADDITION, A COMPREHENSIVE COMMUNITY OVERVIEW WAS GIVEN TO BURLINGTON, BILLERICA AND PEABODY.</Explanation>
      </Form990ScheduleHPartVI>
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        <NamePerson>RICHARD W NESTO MD</NamePerson>
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        <TotalCompensationRelatedOrgs>946929</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartIII>
        <ReturnReference>PART I, LINE 7</ReturnReference>
        <Explanation>THE NON-FIXED PAYMENT BONUSES REPORTED IN SCHEDULE J, PART II, COLUMN B(II) ARE DETERMINED BY AN INDEPENDENT COMPENSATION COMMITTEE, WHICH INCLUDES A GROUP OF TRUSTEES. IN A SUBJECTIVE MANNER, THE COMMITTEE TAKES INTO ACCOUNT THE ACHIEVEMENTS OF BOTH THE ORGANIZATION AND THE INDIVIDUAL TO DETERMINE AN APPROPRIATE AMOUNT OF SUCH BONUSES.</Explanation>
      </Form990ScheduleJPartIII>
      <Form990ScheduleJPartIII>
        <Identifier>SUPPLEMENTAL INFORMATION</Identifier>
        <ReturnReference>PART III</ReturnReference>
        <Explanation>SCHEDULE J, PART I, LINE 4B, PART II COLUMN C THE ORGANIZATION MAINTAINS A 457F NONQUALIFIED DEFERRED COMPENSATION PLAN FOR CERTAIN PHYSICIANS, EXECUTIVE MANAGEMENT AND DEFINED MEDICAL STAFF. THE PLAN OFFERS PARTICIPATING EMPLOYEES AN ANNUAL DEFFERAL OF COMPENSATION IN ADDITION TO THEIR SALARIES. FOR THE CURRENT PERIOD, THE FOLLOWING PERSONS PARTICIPATED IN THE 457F NONQUALIFIED DEFERRED COMPENSATION PLAN: TIMOTHY O'CONNOR - AMOUNT = $117,000 RICHARD W NESTO - AMOUNT = $58,300 HOWARD R GRANT, J.D., M.D. - AMOUNT = $195,000 DONALD F SNELL - AMOUNT = $58,500 ELIZABETH A. POMFRET - AMOUNT = $50,000 SCHEDULE J, PART I, LINE 7 THE NON-FIXED PAYMENT BONUSES REPORTED IN SCHEDULE J, PART II, COLUMN B(II) ARE DETERMINED BY AN INDEPENDENT COMPENSATION COMMITTEE, WHICH INCLUDES A GROUP OF TRUSTEES. IN A SUBJECTIVE MANNER, THE COMMITTEE TAKES INTO ACCOUNT THE ACHIEVEMENTS OF BOTH THE ORGANIZATION AND THE INDIVIDUAL TO DETERMINE AN APPROPRIATE AMOUNT OF SUCH BONUSES. SCHEDULE J, PART II LAHEY CLINIC FOUNDATION, INC. AND ITS RELATED ORGANIZATIONS DO NOT COMPENSATE ANY TRUSTEE IN THEIR CAPACITY AS TRUSTEE. ALL COMPENSATION PAID IS FOR WORK PERFORMED IN THEIR CAPACITY OTHER THAN TRUSTEE, WHICH IS LISTED ON FORM 990, PART VII, DIRECTLY FOLLOWING THE TITLE OF THE TRUSTEE.</Explanation>
      </Form990ScheduleJPartIII>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NameBusiness>
            <BusinessNameLine1>CR BARD COMPANIES INC</BusinessNameLine1>
          </NameBusiness>
        </NameOfInterestedPerson>
        <Relationship>TRUSTEE ON C.R. BARD BOARD</Relationship>
        <AmountOfTransaction>492544</AmountOfTransaction>
        <DescriptionOfTransaction>PURCHASE OF PRODUCTS.</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>ERIC M BAILEY</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>TRUSTEE OF LAHEY CLINIC FOUNDATION</Relationship>
        <AmountOfTransaction>35000</AmountOfTransaction>
        <DescriptionOfTransaction>PURCHASE OF MEDICAL EQUIPMENT AND SUPPLIES FROM NEUROLOGICA, INC. A COMPANY OF WHICH MR. BAILEY IS THE PRESIDENT AND CEO.</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <ReturnReference>FORM 990 PART I, LINE 1 &amp; PART III, LINE 1</ReturnReference>
        <Explanation>LAHEY CLINIC HOSPITAL, INC., A TEACHING HOSPITAL OF TUFTS UNIVERSITY, PROVIDES SUPERIOR HEALTH CARE LEADING TO THE BEST POSSIBLE OUTCOMES FOR EVERY PATIENT. AS ONE OF THE WORLD'S PREMIER HEALTH CARE ORGANIZATIONS, LAHEY CLINIC HOSPITAL, INC. AIMS TO EXCEED EACH DAY ITS PATIENT'S HIGH EXPECTATIONS FOR SERVICE, AND ADVANCE MEDICINE THROUGH RESEARCH AND THE EDUCATION OF TOMORROW'S HEALTH CARE LEADERS. IN ADDITION, LAHEY CLINIC HOSPITAL, INC. IS COMMITTED TO IMPROVING THE HEALTH AND QUALITY OF LIFE OF COMMUNITY RESIDENTS BY SUPPORTING LOCAL ORGANIZATIONS ALIGNED WITH THIS MISSION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART IV, LINE 11(F) AND SCHEDULE D, PART X, LINE 2</ReturnReference>
        <Explanation>THE ORGANIZATION'S FINANCIAL STATEMENTS DID NOT REPORT A LIABILITY FOR UNCERTAIN TAX POSITIONS UNDER FIN 48.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 6</ReturnReference>
        <Explanation>THE LAHEY HOSPITAL AND MEDICAL CENTER CONSISTS OF THREE NON-PROFIT CORPORATIONS, LAHEY CLINIC HOSPITAL, INC. (EIN # 04-2704686), LAHEY CLINIC, INC. (EIN # 04-2704683), AND LAHEY CLINIC FOUNDATION, INC. (EIN # 04-2323457). ALL THREE CORPORATIONS ARE TAX EXEMPT UNDER INTERNAL REVENUE CODE SECTION 501(C)(3). LAHEY CLINIC FOUNDATION, INC. IS THE SOLE CORPORATE MEMBER OF EACH OF THE OTHER TWO CORPORATIONS. THE BOARD OF TRUSTEES (GOVERNING BODY) AND CORPORATE OFFICERS OF THE THREE CORPORATIONS CONSIST OF THE EXACT SAME MEMBERS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7A</ReturnReference>
        <Explanation>EFFECTIVE MAY 1, 2012, LAHEY CLINIC FOUNDATION, INC. AND NORTHEAST HEALTH SYSTEM, INC. COMPLETED AN AFFILIATION WITH EACH OTHER AND ESTABLISHED A NEW ORGANIZATION, LAHEY HEALTH SYSTEM, INC. ("LHS"), TO SERVE AS THE PARENT OF THE COMBINED HEALTH SYSTEM. LHS IS NOW THE SOLE CORPORATE MEMBER OF LAHEY CLINIC FOUNDATION, INC. AND NORTHEAST HEALTH SYSTEM, INC. THE SOLE CORPORATE MEMBER OF THE REPORTING ORGANIZATION IS LAHEY CLINIC FOUNDATION, INC. THE REPORTING ORGANIZATION'S MEMBER HAS, WITH RESPECT TO THE REPORTING ORGANIZATION, THE RIGHT TO EXERCISE ALL POWERS CONFERRED ON MEMBERS OF NON-PROFIT CORPORATIONS UNDER MASSACHUSETTS GENERAL LAWS CHAPTER 180, INCLUDING, WITHOUT LIMITATION, POWERS WITH RESPECT TO THE FOLLOWING: (A) APPOINTMENT AND REMOVAL OF MEMBERS OF THE BOARD OF TRUSTEES (SUBJECT TO CERTAIN TRANSITION RULES IN PLACE THROUGH MAY 1, 2016); (B) AMENDMENT OF THE ARTICLES OF ORGANIZATION; (C) AMENDMENT OF THE BY-LAWS; (D) THE SALE, LEASE, EXCHANGE OR OTHER DISPOSITION OF ALL OR SUBSTANTIALLY ALL OF THE CORPORATION'S ASSETS; AND (E) THE MERGER OR CONSOLIDATION OF THE CORPORATION WITH ANOTHER CORPORATION. ADDITIONALLY, THE RIGHT OF THE REPORTING ORGANIZATION'S MEMBER, LAHEY CLINIC FOUNDATION, INC., TO EXERCISE ITS AUTHORITY AS A MEMBER OF THE REPORTING ORGANIZATION IS SUBJECT TO THE APPROVAL OF LCF'S CORPORATE MEMBER, LHS, WHICH MAY ALSO EXERCISE SUCH POWERS DIRECTLY.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7B</ReturnReference>
        <Explanation>PLEASE SEE PREVIOUS DISCLOSURE FOR FORM 990, PART VI, SECTION A, LINE 6</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>MANAGEMENT PREPARED THE IRS FORM 990 ALONG WITH INDEPENDENT TAX CONSULTANTS WHO SIGN THE RETURN AS A PAID PREPARER. LAHEY CLINIC HOSPITAL, INC.'S EXECUTIVE MANAGEMENT REVIEWED AND PRESENTED A DRAFT OF IRS FORM 990 TO THE AUDIT AND COMPLIANCE COMMITTE OF THE LAHEY HEALTH SYSTEM, INC. BOARD OF TRUSTEES PRIOR TO THE FILING DATE. A DRAFT AND THE FINAL IRS FORM 990 WERE PROVIDED TO THE ENTIRE BOARD OF TRUSTEES BEFORE THE FILING DATE VIA A SECURED WEBSITE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>ALL OFFICERS, TRUSTEES, KEY EMPLOYEES, PHYSICIANS AND MANAGEMENT EMPLOYEES AT ALL LEVELS, ARE REQUIRED TO FILL OUT AN ANNUAL CONFLICT OF INTEREST DISCLOSURE FORM. THE LAHEY HOSPITAL AND MEDICAL CENTER'S CORPORATE COMPLIANCE DEPARTMENT MONITORS AND REVIEWS EACH DISCLOSURE FOR COMPLIANCE WITH THE CONFLICT OF INTEREST POLICY. THE CORPORATE COMPLIANCE DEPARTMENT MONITORS CONFLICTS OF INTEREST THROUGH DISCLOSURE SOFTWARE, TRAINING, AND INDIVIDUAL REVIEWS WITH PHYSICIANS, KEY EMPLOYEES, AND MANAGERS. DEPENDING ON THE CONFLICT OF INTEREST: A PERSON COULD BE ASKED TO NOT PARTICIPATE IN DECISIONS MADE ON BEHALF OF LAHEY HOSPITAL AND MEDICAL CENTER; A PERSON MAY BE TOLD THEY CANNOT BE A PRINCIPAL INVESTIGATOR ON A RESEARCH STUDY; A PERSON MAY BE TOLD THAT THEY CANNOT PERFORM THE TASK THAT CREATES THE CONFLICT; A PERSON COULD BE ASKED TO REMOVE THEMSELVES FROM A COMMITTEE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 15</ReturnReference>
        <Explanation>THE ORGANIZATION RELIES ON A RELATED ORGANIZATION TO ESTABLISH THE COMPENSATION OF OFFICERS. THE RELATED ORGANIZATION USES THE FOLLOWING PROCESS: INDEPENDENT MEMBERS OF THE BOARD OF TRUSTEES COMPRISE THE COMPENSATION COMMITTEE. THE COMMITTEE SETS THE COMPENSATION AND BENEFITS FOR THE CEO AND ALSO REVIEWS AND APPROVES RECOMMENDATIONS FOR THE COMPENSATION AND BENEFITS FOR DISQUALIFIED INDIVIDUALS AND OTHERS. THE COMMITTEE SEEKS THE ADVICE OF EXTERNAL COMPENSATION CONSULTANTS. COMPARABILITY DATA IS PROVIDED, ANALYZED, AND DOCUMENTED BY THE EXTERNAL CONSULTANTS. THE LAHEY VICE PRESIDENT OF HUMAN RESOURCE OPERATIONS PROVIDES THE COMMITTEE WITH ANY REQUESTED INFORMATION. THE COMMITTEE MET SEVERAL TIMES THIS YEAR.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>THE ORGANIZATION'S GOVERNING DOCUMENTS AND AUDITED FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST. THE ORGANIZATION'S CONFLICT OF INTEREST POLICY AND OTHER COMPLIANCE POLICIES ARE MADE AVAILABLE TO THE PUBLIC VIA THE ORGANIZATION'S WEBSITE. IN ADDITION, THE ORGANIZATION PRESENTS FINANCIAL INFORMATION TO THE PUBLIC AS AN ATTACHMENT TO ITS MASSACHUSETTS OFFICE OF THE ATTORNEY GENERAL FORM PC.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VII</ReturnReference>
        <Explanation>LAHEY CLINIC HOSPITAL, INC. AND ITS RELATED ORGANIZATIONS DO NOT COMPENSATE ANY TRUSTEE IN THEIR CAPACITY AS A TRUSTEE. ALL COMPENSATION PAID IS FOR WORK PERFORMED IN THE EMPLOYEE'S JOB TITLE, WHICH IS LISTED ON FORM 990, PART VII DIRECTLY FOLLOWING THE TITLE OF TRUSTEE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 9:</ReturnReference>
        <Explanation>PENSION PLAN CHANGES 156,599,157. CLOSE-OUT OF AFFILIATED SERVICES 12,145,530.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>LAHEY CLINIC INC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>41 MALL ROAD</AddressLine1>
          <City>BURLINGTON</City>
          <State>MA</State>
          <ZIPCode>01805</ZIPCode>
        </AddressUS>
        <EIN>042704683</EIN>
        <PrimaryActivities>HEALTHCARE</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>LCF INC</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>LAHEY HEALTH SHARED SERVICES INC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>41 MALL ROAD</AddressLine1>
          <City>BURLINGTON</City>
          <State>MA</State>
          <ZIPCode>01805</ZIPCode>
        </AddressUS>
        <EIN>043178972</EIN>
        <PrimaryActivities>ADMINISTRATIVE SUPPORT TO LHS AND AFFILIATES</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>LHS INC</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>NORTHEAST HEALTH SYSTEM INC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>85 HERRICK STREET</AddressLine1>
          <City>BEVERLY</City>
          <State>MA</State>
          <ZIPCode>01915</ZIPCode>
        </AddressUS>
        <EIN>043240453</EIN>
        <PrimaryActivities>SUPPORT</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>11C</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>LHS INC</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>NORTHEAST BEHAVIORAL HEALTH CORPORATION</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>131 RANTOUL STREET</AddressLine1>
          <City>BEVERLY</City>
          <State>MA</State>
          <ZIPCode>01915</ZIPCode>
        </AddressUS>
        <EIN>042777145</EIN>
        <PrimaryActivities>BEHAVIORAL HEALTH CARE</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>7</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>NEHS INC</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>HEALTH &amp; EDUCATION HOUSING SERVICES INC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>ZERO CENTENNIAL DRIVE</AddressLine1>
          <City>PEABODY</City>
          <State>MA</State>
          <ZIPCode>01960</ZIPCode>
        </AddressUS>
        <EIN>223232914</EIN>
        <PrimaryActivities>HUD HOUSING</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>NEBH CORP</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>NORTHEAST HOSPITAL CORPORATION</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>85 HERRICK STREET</AddressLine1>
          <City>BEVERLY</City>
          <State>MA</State>
          <ZIPCode>01915</ZIPCode>
        </AddressUS>
        <EIN>042121317</EIN>
        <PrimaryActivities>HEALTHCARE</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>3</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>NEHS INC</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>NORTHEAST MEDICAL PRACTICES INC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>85 HERRICK STREET</AddressLine1>
          <City>BEVERLY</City>
          <State>MA</State>
          <ZIPCode>01915</ZIPCode>
        </AddressUS>
        <EIN>043201853</EIN>
        <PrimaryActivities>HEALTHCARE</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>NEH CORP</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>SEACOAST NURSING &amp; REHABILITATION CENTER</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>300 WASHINGTON STREET</AddressLine1>
          <City>GLOUCESTER</City>
          <State>MA</State>
          <ZIPCode>01930</ZIPCode>
        </AddressUS>
        <EIN>041305001</EIN>
        <PrimaryActivities>HEALTHCARE</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>NEHS INC</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>NORTHEAST PROFESSIONAL REGISTRY OF NURSES</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>800 CUMMINGS CENTER</AddressLine1>
          <City>BEVERLY</City>
          <State>MA</State>
          <ZIPCode>01915</ZIPCode>
        </AddressUS>
        <EIN>201287349</EIN>
        <PrimaryActivities>HEALTHCARE</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>NESH CORP</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>NORTHEAST SENIOR HEALTH CORPORATION</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>85 HERRICK STREET</AddressLine1>
          <City>BEVERLY</City>
          <State>MA</State>
          <ZIPCode>01915</ZIPCode>
        </AddressUS>
        <EIN>042731137</EIN>
        <PrimaryActivities>HEALTHCARE</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>NEHS INC</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>CAB HEALTH &amp; RECOVERY SERVICES INC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>111 MIDDLETON ROAD</AddressLine1>
          <City>DANVERS</City>
          <State>MA</State>
          <ZIPCode>01923</ZIPCode>
        </AddressUS>
        <EIN>042400270</EIN>
        <PrimaryActivities>SUBSTANCE ABUSE</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>9</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>NEBH CORP</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>LAHEY HEALTH SYSTEM INC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>41 MALL ROAD</AddressLine1>
          <City>BURLINGTON</City>
          <State>MA</State>
          <ZIPCode>01805</ZIPCode>
        </AddressUS>
        <EIN>611665701</EIN>
        <PrimaryActivities>SUPPORT</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>11C III-FI</PublicCharityStatus>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>LAHEY CLINIC FOUNDATION INC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>41 MALL ROAD</AddressLine1>
          <City>BURLINGTON</City>
          <State>MA</State>
          <ZIPCode>01805</ZIPCode>
        </AddressUS>
        <EIN>042323457</EIN>
        <PrimaryActivities>SUPPORT</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(C) (3)</ExemptCodeSection>
        <PublicCharityStatus>7</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>LHS INC</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>LAHEY CLINIC INSURANCE CO LTD</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressForeign>
          <AddressLine1>PO BOX HM 2450</AddressLine1>
          <City>HAMILTON</City>
          <Country>BD</Country>
        </AddressForeign>
        <PrimaryActivity>INSURANCE</PrimaryActivity>
        <LegalDomicileForeignCountry>BD</LegalDomicileForeignCountry>
        <DirectControllingEntityName>
          <BusinessNameLine1>LHS INC</BusinessNameLine1>
        </DirectControllingEntityName>
        <TypeOfEntity>C</TypeOfEntity>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>PERPETUAL TRUSTS (7)</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>41 MALL ROAD</AddressLine1>
          <City>BURLINGTON</City>
          <State>MA</State>
          <ZIPCode>01805</ZIPCode>
        </AddressUS>
        <PrimaryActivity>SUPPORT</PrimaryActivity>
        <LegalDomicileState>MA</LegalDomicileState>
        <DirectControllingEntityName>
          <BusinessNameLine1>SEE PART VII</BusinessNameLine1>
        </DirectControllingEntityName>
        <TypeOfEntity>T</TypeOfEntity>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>REMAINDER TRUSTS (17)</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>41 MALL ROAD</AddressLine1>
          <City>BURLINGTON</City>
          <State>MA</State>
          <ZIPCode>01805</ZIPCode>
        </AddressUS>
        <PrimaryActivity>SUPPORT</PrimaryActivity>
        <LegalDomicileState>MA</LegalDomicileState>
        <DirectControllingEntityName>
          <BusinessNameLine1>SEE PART VII</BusinessNameLine1>
        </DirectControllingEntityName>
        <TypeOfEntity>T</TypeOfEntity>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>POOLED INCOME FUNDS (4)</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>41 MALL ROAD</AddressLine1>
          <City>BURLINGTON</City>
          <State>MA</State>
          <ZIPCode>01805</ZIPCode>
        </AddressUS>
        <PrimaryActivity>SUPPORT</PrimaryActivity>
        <LegalDomicileState>MA</LegalDomicileState>
        <DirectControllingEntityName>
          <BusinessNameLine1>SEE PART VII</BusinessNameLine1>
        </DirectControllingEntityName>
        <TypeOfEntity>T</TypeOfEntity>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>NORTHEAST PROPRIETARY CORPORATION</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>85 HERRICK STREET</AddressLine1>
          <City>BEVERLY</City>
          <State>MA</State>
          <ZIPCode>01915</ZIPCode>
        </AddressUS>
        <EIN>042855191</EIN>
        <PrimaryActivity>MEDICAL SERVICES</PrimaryActivity>
        <LegalDomicileState>MA</LegalDomicileState>
        <DirectControllingEntityName>
          <BusinessNameLine1>NEHS INC</BusinessNameLine1>
        </DirectControllingEntityName>
        <TypeOfEntity>C</TypeOfEntity>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartIV>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>NORTHEAST MASSACHUSETTS INDEMNITY CO LTD</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressForeign>
          <AddressLine1>GOVERNORS SQ 23 LIME TREE BAY AVE</AddressLine1>
          <City>GRAND CAYMAN</City>
          <Country>CJ</Country>
          <PostalCode>KY1-1102</PostalCode>
        </AddressForeign>
        <EIN>980440187</EIN>
        <PrimaryActivity>INSURANCE</PrimaryActivity>
        <LegalDomicileForeignCountry>CJ</LegalDomicileForeignCountry>
        <DirectControllingEntityName>
          <BusinessNameLine1>NHS INC</BusinessNameLine1>
        </DirectControllingEntityName>
        <TypeOfEntity>C</TypeOfEntity>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartIV>
      <ReceiptOfIntAnnRentsRoyalties>0</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>0</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>0</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>1</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>1</LoansOrGuaranteesFromOtherOrg>
      <DividendsRelatedOrganization>0</DividendsRelatedOrganization>
      <SaleOfAssetsToOtherOrg>0</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>0</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>0</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>0</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>1</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>1</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>1</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>1</SharingOfFacilities>
      <SharingOfPaidEmployees>1</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>1</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>1</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>1</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>1</OtherTransferFromOtherOrg>
      <Form990ScheduleRPartVII>
        <ReturnReference>FORM 990, SCHEDULE R, PART IV, LINE 2</ReturnReference>
        <Explanation>LAHEY CLINIC FOUNDATION INC. AND NORTHEAST HOSPITAL CORPORATION, RESPECTIVELY, HAVE FOUR AND THREE PERPETUAL TRUSTS. THE PERPETUAL TRUSTS ARE DOMICILED IN MASSACHUSETTS AND PENNSYLVANIA.</Explanation>
      </Form990ScheduleRPartVII>
      <Form990ScheduleRPartVII>
        <ReturnReference>FORM 990, SCHEDULE R, PART IV, LINE 3</ReturnReference>
        <Explanation>LAHEY CLINIC FOUNDATION, INC. HAS SEVENTEEN REMAINDER TRUSTS. THE REMAINDER TRUSTS ARE DOMICILED IN MASSACHUSETTS AND NEW HAMPSHIRE.</Explanation>
      </Form990ScheduleRPartVII>
      <Form990ScheduleRPartVII>
        <ReturnReference>FORM 990, SCHEDULE R, PART IV, LINE 4</ReturnReference>
        <Explanation>LAHEY CLINIC FOUNDATION, INC. AND NORTHEAST HOSPITAL CORPORATION, RESPECTIVELY, HAVE THREE AND ONE POOLED INCOME FUNDS.</Explanation>
      </Form990ScheduleRPartVII>
      <Form990ScheduleRPartVII>
        <ReturnReference>FORM 990, SCHEDULE R, PART V, LINE L</ReturnReference>
        <Explanation>IN ADDITION TO CONDUCTING FUNDRAISING AND SOLICIATION EFFORTS ON ITS OWN BEHALF, LAHEY CLINIC FOUNDATION, INC. ALSO CONDUCTS FUNDRAISING AND SOLICITATION EFFORTS ON BEHALF OF LAHEY CLINIC HOSPITAL, INC. AND LAHEY CLINIC, INC.</Explanation>
      </Form990ScheduleRPartVII>
      <Form990ScheduleRPartVII>
        <ReturnReference>FORM 990, SCHEDULE R, PART V, LINE M</ReturnReference>
        <Explanation>IN ADDITION TO CONDUCTING FUNDRAISING AND SOLICITATION EFFORTS ON THEIR OWN BEHALF, LAHEY CLINIC HOSPITAL, INC. AND LAHEY CLINIC, INC. CONDUCT FUNDRAISING AND SOLICITATION EFFORTS ON BEHALF OF LAHEY CLINIC FOUNDATION, INC.</Explanation>
      </Form990ScheduleRPartVII>
      <Form990ScheduleRPartVII>
        <ReturnReference>FORM 990, SCHEDULE R, PART V, LINE N</ReturnReference>
        <Explanation>ALL ENTITIES WITHIN THE LAHEY HEALTH SYSTEM, INC. SHARE FACILITIES, EQUIPMENT, MAILING LISTS, AND OTHER ASSETS. FOR A LIST OF ALL ENTITIES SEE SCHEDULE R.</Explanation>
      </Form990ScheduleRPartVII>
      <Form990ScheduleRPartVII>
        <ReturnReference>FORM 990, SCHEDULE R, PART V, LINE O-S</ReturnReference>
        <Explanation>LAHEY HEALTH SYSTEM, INC. AND ITS RELATED ORGANIZATIONS, LAHEY CLINIC FOUNDATION, INC. AND ITS RELATED ORGANIZATIONS, AND NORTHEAST HEALTH SYSTEM, INC AND ITS RELATED ORGANIZATIONS PROVIDE VARIOUS CORPORATE AND OTHER SERVICES TO EACH OTHER. THESE ORGANIZATIONS REIMBURSE ONE ANOTHER FOR EXPENSES INCURRED SUCH AS EMPLOYEE SALARIES, MATERIALS, SUPPLIES, UTILITIES, ETC. CASH IS ALSO TRANSFERRED BETWEEN THE THREE CORPORATIONS.</Explanation>
      </Form990ScheduleRPartVII>
    </IRS990ScheduleR>
  </ReturnData>
</Return>