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      <Form990ScheduleJPartIII>
        <ReturnReference>Part I, Lines 4b-c</ReturnReference>
        <Explanation>Mohammed Shafeeq Ahmed, MD - Supplemental Retirement of $23,789 is included in column E. This amount was earned in 2010. Dennis W. Chalke - Supplemental Retirement of $109,384 is included in column E. This amount was earned in 2010. Wayne Duke, MD - Supplemental Retirement of $7,677 is included in column E. This amount was earned in 2010. Loring S. Flint, MD - Supplemental Retirement of $142,221 is included in column E. This amount was earned in 2010. Daniel Grow, MD - Supplemental Retirement of $25,530 is included in column E. This amount was earned in 2010. Thomas Higgins, MD - Supplemental Retirement of $9,508 is included in column E. This amount was earned in 2010. Mark K. Hirko, MD - Supplemental Retirement of $15,300 is included in column E. This amount was earned in 2010. Hal B. Jenson, MD - Supplemental Retirement of $64,083 is included in column E. This amount was earned in 2010. Gordon Josephson, MD - Supplemental Retirement of $24,243 is included in column E. This amount was earned in 2010. Aaron Kugelmass, MD- Supplemental Retirement of $25,800 is included in column E. This amount was earned in 2010. Benjamin Liptzin, MD - Supplemental Retirement of $33,502 is included in column E. This amount was earned in 2010. David L. Longworth, MD- Supplemental Retirement of $33,629 is included in column E. This amount was earned in 2010. Keith C. McLean Shinaman - Supplemental Retirement of $60,038 is included in column E. This amount was earned in 2010. Dennis Oh, MD - Supplemental Retirement of $21,628 is included in column E. This amount was earned in 2010. Joseph Schmidt, MD - Supplemental Retirement of $1,456 is included in column E. This amount was earned in 2010. Marc J. Schweiger, MD - Supplemental Retirement of $43,732 is included in column E. This amount was earned in 2010. Joseph Shin, MD- Supplemental Retirement of $9,664 is included in column E. This amount was earned in 2010. Roy Sittig, MD - Supplemental Retirement of $789 is included in column E. This amount was earned in 2010. Sherry Taylor, MD Supplemental Retirement of $27,649 is included in column E. . This amount was earned in 2010. Mark R. Tolosky - Supplemental Retirement of $418,714 is included in column E. This amount was earned in 2010. Richard B. Wait, MD - Supplemental Retirement of $73,780 is included in column E. This amount was earned in 2010. Line 4c The supplemental retirement plan offered to Mr. Tolosky from 1997-2002 provided the right to purchase mutual fund shares at a specified price, with the rights expiring at the end of the 10 years. The 2010 compensation of $102,413 was based on the difference between the fair market value at the date of exercise and the exercise price.</Explanation>
      </Form990ScheduleJPartIII>
      <Form990ScheduleJPartIII>
        <Identifier>Supplemental Information</Identifier>
        <ReturnReference>Part III</ReturnReference>
        <Explanation>Schedule J, Part 1, Line 3 Baystate Health, Inc., the parent organization of the health care system to which the filing organization belongs, uses an independent compensation committee, an independent compensation consultant, and appropriate comparability data and approval by the compensation committee to establish the compensation of its key officers, directors, and employees, which includes the filing organization's top management officials. Part II Dr. Flint terminated employment effective 12/30/2010. The compensation numbers include various one time termination payments.</Explanation>
      </Form990ScheduleJPartIII>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>American Excess Insurance Exchange</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>Board Overlap</Relationship>
        <AmountOfTransaction>1541099</AmountOfTransaction>
        <DescriptionOfTransaction>See Part V - Mark Tolosky, President of the filing organization is also Chairman of the Board of Directors of AEIX. The filing organization purchases general &amp; professional liability insurance from AEIX.</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NameBusiness>
            <BusinessNameLine1>Baycare Health Partners Inc (BHP)</BusinessNameLine1>
          </NameBusiness>
        </NameOfInterestedPerson>
        <Relationship>Common Board Members or Officers</Relationship>
        <AmountOfTransaction>2272041</AmountOfTransaction>
        <DescriptionOfTransaction>See Part V - The filing organization received payments from BHP of $ 2,130,950 for patient care services for which BHP is the intermediary between the filing organization and third party payers and $141,901 for medical services. BHP is an affiliate corporation of the filing organization.</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NameBusiness>
            <BusinessNameLine1>Baycare Health Partners Inc (BHP)</BusinessNameLine1>
          </NameBusiness>
        </NameOfInterestedPerson>
        <Relationship>Common Board Members or Officers</Relationship>
        <AmountOfTransaction>97800</AmountOfTransaction>
        <DescriptionOfTransaction>See Part V - The filing organization made payments to BHP for physician membership dues. BHP is an affiliate corporation of the filing organization.</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NamePerson>Greater Springfield IPA GSIPA</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>Board Overlap</Relationship>
        <AmountOfTransaction>63932</AmountOfTransaction>
        <DescriptionOfTransaction>See Part V - Benjamin Liptzin, MD, Board Member of the filing organization is also a Board Member of GSIPA. The filing organization made payments to GSIPA for physician membership dues.</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NameBusiness>
            <BusinessNameLine1>Health New England Inc (HNE)</BusinessNameLine1>
          </NameBusiness>
        </NameOfInterestedPerson>
        <Relationship>Common Board Members or Officers</Relationship>
        <AmountOfTransaction>19810887</AmountOfTransaction>
        <DescriptionOfTransaction>See Part V - The filing organization received payments from HNE of $19,774,709 related to medical claims, $32,082 for medical consulting services and $4,096 for patient related reimbursements. HNE is an affiliate corporation of the filing organization.</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NameBusiness>
            <BusinessNameLine1>Ingraham Corporation (IC)</BusinessNameLine1>
          </NameBusiness>
        </NameOfInterestedPerson>
        <Relationship>Common Board Members or Officers</Relationship>
        <AmountOfTransaction>530394</AmountOfTransaction>
        <DescriptionOfTransaction>See Part V - The filing organization made payments to IC for rent of medical office space. IC is an affiliate corporation of the filing organization.</DescriptionOfTransaction>
        <SharingOfRevenues>0</SharingOfRevenues>
      </Form990ScheduleLPartIV>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section A, line 2</Identifier>
        <Explanation>Dennis W. Chalke, Kristin R. Delaney, Loring S. Flint, MD, M. Dale Janes, Hal B. Jenson, MD, Benjaman Liptzin, MD and Mark R. Tolosky are also officers or trustees of Baystate Health, Inc. &amp; its affiliated entities.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section A, line 3</Identifier>
        <Explanation>Baystate Medical Practices, Inc. is affiliated with Baystate Administrative Services, Inc. (BAS) which is a 501(c) (3) organization. Various management and support functions are delegated to BAS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section A, line 6</Identifier>
        <Explanation>The Board of Directors consists of 20 Directors, seven of whom are either appointed by BH or serve ex officio based on positions they hold with BH, and 14 of whom are at large directors elected by the members of the filing organization.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section A, line 7a</Identifier>
        <Explanation>The members of the filing organization are physicians, all of whom who have medical staff appointments at a Baystate Health, Inc. (BH) hospital affiliate, provide at least 1,000 hours of professional service annually on behalf of the filing organization, and are parties to a membership agreement with the filing organization approved by the Board of Directors</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section A, line 7b</Identifier>
        <Explanation>The bylaws of the filing organization provide that the following matters approved by the Board of Directors are also subject to the approval of BH: (1) the filing organization's annual budget, (2) the form and content of agreements with members and other employees of the filing organization for their compensation and benefits, (3) policies regarding personal time, sick time, leaves of absence, hours of work, and number of working days, (4) the establishment of reserves to meet any unusual expense, loss, or anticipated year-end expense or a discretionary fund to support the filing organization's educational and research programs, (5) any pledge of the filing organization's credit, the borrowing of any money, or the execution of any promissory note by the filing organization, (6) amendments to the bylaws of the filing organization, with the exception of certain technical amendments.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Section B, line 11</Identifier>
        <Explanation>Prior to the filing of this return appropriate parts of this Form 990 were reviewed by representatives from the Tax, Finance, and Human Resources Departments of Baystate Health, Inc. (the parent organization of the health care system to which the filing organization belongs), some of whom are officers or trustees of the filing organization and by outside legal counsel. The entire return was reviewed by a tax expert from an outside accounting firm. In addition, this return was provided to and reviewed by the Audit and Compliance Committee of Baystate Health, Inc. This committee also reviews the audited financial statements for the health system. This return was also provided prior to filing to the Baystate Health, Inc. Board of Trustees.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>Form 990, Part VI, Section B, line 12c</ReturnReference>
        <Explanation>Form 990, Part VI, Section B, Line 12c Baystate Health, Inc. (BH) has a comprehensive conflict of interest policy which has been adopted by the filing organization. All directors, trustees, officers, key employees, and highest compensated employees of BH and its affiliates are asked to complete an annual conflict of interest form. We utilize an electronic database to receive and manage all conflict of interest submissions. This information is reviewed by the BH Chief Compliance Officer, the BH Chief Executive Officer, the Chair of the BH Board of Trustees, and the Chair of the Audit &amp; Compliance Committee of BH. A summary of the conflict of interest disclosures is provided to the Baystate Health Board of Trustees and the Tax Department and reviewed by outside counsel. Potential conflict of interest transactions are reviewed as appropriate under the policy, which provides for recusal from discussion and deliberation by any party with a potential conflict of interest.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>Form 990, Part VI, Section B, line 15</ReturnReference>
        <Explanation>The compensation of the President and CEO and of other key officers and key employees is established based on information provided by independent third party consultants for reasonableness and appropriate comparability data. The compensation is then established, reviewed and approved by the independent compensation committee of Baystate Health, Inc. (the parent organization of the health care system to which the filing organization belongs) and all such deliberations and decisions are documented contemporaneously.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>Form 990, Part VI, Section C, line 19</ReturnReference>
        <Explanation>Form 990, Part VI, Section C, Line 19 The organization makes its conflict of interest policy and financial statements available to the public at www.baystatehealth.org. Articles of organization and bylaws are generally available at the Commonwealth of Massachusetts website. Form 990, Part VII, Section A, Line 5 Certain officers or trustees of the filing organization are paid by an entity,Baystate Administrative Services, Inc. (BAS) EIN 22-2747685, who is part of the health care system to which the filing organization belongs but one that does not meet the technical requirements as a "Related Organization" per Schedule R. Compensation from BAS to the officers and trustees of the filing organization therefore, is reported as paid from an unrelated organization in Line 5 and according to the instructions reported as though paid by the filing organization.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Average hours per week:</Identifier>
        <ReturnReference>Form 990, Part VII, Section A, Line 1a, Column (B)</ReturnReference>
        <Explanation>All individuals with compensation who have 10 average hours per week listed in Part VII, worked between 40 - 60 hours among all related entities.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Changes in Net Assets or Fund Balances:</Identifier>
        <ReturnReference>Form 990, Part XI, line 5:</ReturnReference>
        <Explanation>Current year acquisition from BHF 8,657. Minimum pension liability adj -10,111,281. Transfers from/to affiliates, net 11,214,786. Total to Form 990, Part XI, Line 5: 1,112,162.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>