2. Relative Price Discussion by Elizabeth Arnold and Dorothy Zirkle

3. Distribution of Hospital Payments by Relative Price Quartile (Lower Relative Price) (Higher Relative Price) % of Total Payments 2

4. 3 Distribution of Physician Group Payments by Relative Price Quartile (lower relative price)(higher relative price) % of Total Payments

5. 4 Higher Price Hospitals These hospitals tended to be: Affiliated with larger healthcare systems Academic medical centers Teaching hospitals Specialty hospitals Geographically isolated hospitals High Relative Price Hospitals Consistently High Relative Price Hospital SystemCharacteristics Brigham and Women's HospitalPHS A Falmouth HospitalCCHS G Mass. General HospitalPHS A UMass Memorial Medical CenterUMHS A Boston Childrens Hospital--- S Brigham and Womens Faulkner HospitalPHS T Berkshire Medical CenterBKHS G Dana Farber Cancer Inst.--- S Martha's Vineyard HospitalPHS G

6. 5 Higher Price Physician Groups High Relative Price Physician Groups These physician groups tended to: Be affiliated with a larger health system Have a high proportion of network payments Consistently High Relative Price Physician Group Percent of Payers Total Payments Partners Community HealthCare, Inc. (PHO)29% Atrius Health11% Partners Community HealthCare, Inc. Academic Medical Center Providers 8% Pediatric Physicians' Organization at Children's (PPOC). 7% Partners Community HealthCare, Inc. Affiliated Providers 7% Mount Auburn Cambridge IPA2% Partners Community HealthCare, Inc. Integrated Providers 2%

7. 6 Lower Price Hospitals These hospitals tended to be: Community, disproportionate share hospitals (DSH) Community hospitals that were not affiliated with a larger healthcare system Low Relative Price Hospitals Consistently Low Relative Price HospitalSystemCharacteristics Anna Jacques Hospital--- Athol Memorial Hospital---G Lowell General Hospital--- Beth Israel Deaconess Hospital - MiltonCG--- Steward Quincy Medical CenterSHSD Saints Medical Center--- Cambridge Health Alliance---T

8. 7 Lower Price Physician Groups Low Relative Price Physician Groups These physician groups tended to: Receive a smaller share of network payments among physician groups Consistently Low Relative Price Physician GroupPercent of Payers Total Payments Berkshire Medical Center1% Signature Healthcare Brockton Hospital Physician Hospital Organization, Inc. 1% Sturdy Hospital Physicians (Physician Group)1% Southcoast Physicians Network Inc<1% Lawrence General IPA (d/b/a Choice Plus Network) <1%

9. Visit CHIAs Website Link to: Health Care Provider Price Variation in the Massachusetts Commercial Market: Results from 2011Health Care Provider Price Variation in the Massachusetts Commercial Market: Results from 2011 Link to: CHIAs WebsiteCHIAs Website 8