| MA | Massachusetts Health Policy Commission | Tufts Medicine; Acadia Healthcare Company | No NO_CMIR | 2022-07-07 | Agency page |
| MA | Massachusetts Health Policy Commission | Children's Medical Center Corporation; Tufts Medicine | No NO_CMIR | 2022-07-06 | Agency page |
| MA | Massachusetts Health Policy Commission | MelroseWakefield Healthcare, Inc.; Shields HealthCare Group, Inc. | No NO_CMIR | 2022-06-02 | Agency page |
| MA | Massachusetts Health Policy Commission | Boston Children's Hospital; Franciscan Hospital For Children | No NO_CMIR | 2022-03-21 | Agency page |
| MA | Massachusetts Health Policy Commission | Emerson Hospital; Atrius Health | No NO_CMIR | 2022-03-10 | Agency page |
| MA | Massachusetts Health Policy Commission | Beth Israel Lahey Health; Cape Cod Healthcare | No NO_CMIR | 2022-02-11 | Agency page |
| MA | Massachusetts Health Policy Commission | Lawrence General Hospital; Steward Health Care System | No NO_CMIR | 2022-02-03 | Agency page |
| MA | Massachusetts Health Policy Commission | South Shore Health Integrated Delivery Network; Compass Medical, P.C. | No NO_CMIR | 2022-01-19 | Agency page |
| MA | Massachusetts Health Policy Commission | NEBSC Hospital Holdings, LLC; NEBSC Surgeon Holdings, LLC | No NO_CMIR | 2022-01-18 | Agency page |
| MA | Massachusetts Health Policy Commission | Spire Orthopedic Partners (SMN), LLC; Sports Medicine North Orthopedic Surgery, Inc. | No NO_CMIR | 2022-01-10 | Agency page |
| MA | Massachusetts Health Policy Commission | South Shore Health System, Inc.; Sturdy Memorial Hospital, Inc.; Southeast Massachusetts Behavioral Health, LLC; Signature Healthcare Corporation | No NO_CMIR | 2022-01-06 | Agency page |
| MA | Massachusetts Health Policy Commission | BILH Surgery Center Plymouth Hospital Holdco, LLC; Pilgrim ASC LLC | No NO_CMIR | 2021-12-21 | Agency page |
| MA | Massachusetts Health Policy Commission | South Shore Hospital, Inc.; Atrius Health, Inc. | No NO_CMIR | 2021-11-22 | Agency page |
| MA | Massachusetts Health Policy Commission | Baystate Medical Center, Inc.; NEOS SurgCo, LLC | No NO_CMIR | 2021-10-26 | Agency page |
| MA | Massachusetts Health Policy Commission | Curahealth Stoughton, LLC; PAM Cubed, LLC | No NO_CMIR | 2021-07-28 | Agency page |
| MA | Massachusetts Health Policy Commission | Walden Behavioral Care; Monte Nido | No NO_CMIR | 2021-07-09 | Agency page |
| MA | Massachusetts Health Policy Commission | Beth Israel Lahey Health, Inc.; Joslin Diabetes Center, Inc. and the Joslin Clinic, Inc. | No NO_CMIR | 2021-07-02 | Agency page |
| MA | Massachusetts Health Policy Commission | Aspire; South Shore Health System | No NO_CMIR | 2021-05-19 | Agency page |
| MA | Massachusetts Health Policy Commission | Boston Children's Hospital; Cape Cod Hospital | No NO_CMIR | 2021-05-03 | Agency page |
| MA | Massachusetts Health Policy Commission | Wellforce | No NO_CMIR | 2021-04-16 | Agency page |
| MA | Massachusetts Health Policy Commission | Atrius Health Inc.; Collaborative Care Holdings LLC | No NO_CMIR | 2021-03-18 | Agency page |
| MA | Massachusetts Health Policy Commission | Ophthalmic Consultants of Boston; Eye Health Services | No NO_CMIR | 2021-03-06 | Agency page |
| MA | Massachusetts Health Policy Commission | National Mentor Healthcare; Community Intervention Services | No NO_CMIR | 2021-03-05 | Agency page |
| MA | Massachusetts Health Policy Commission | Mercy Medical Center; MiraVista Behavioral Health | No NO_CMIR | 2021-02-17 | Agency page |
| MA | Massachusetts Health Policy Commission | Heywood Healthcare; Shields Health Care Group | No NO_CMIR | 2021-01-22 | Agency page |
| MA | Massachusetts Health Policy Commission | UMass Memorial Health Care; Harrington Health Care System | No NO_CMIR | 2020-12-08 | Agency page |
| MA | Massachusetts Health Policy Commission | HopeHealth; Community VNA | No NO_CMIR | 2020-10-27 | Agency page |
| MA | Massachusetts Health Policy Commission | Baystate Health; Valley Medical Group | No NO_CMIR | 2020-10-16 | Agency page |
| MA | Massachusetts Health Policy Commission | Baystate Medical Center; Kindred Healthcare | No NO_CMIR | 2020-10-16 | Agency page |
| MA | Massachusetts Health Policy Commission | Lawrence General Hospital | No NO_CMIR | 2020-10-16 | Agency page |
| MA | Massachusetts Health Policy Commission | Lowell General Hospital; Chelmsford ASC Holding Company, LLC | No NO_CMIR | 2020-09-21 | Agency page |
| MA | Massachusetts Health Policy Commission | South Shore Health System | No NO_CMIR | 2020-06-02 | Agency page |
| MA | Massachusetts Health Policy Commission | Emerson Hospital; Physicians Endoscopy, LLC | No NO_CMIR | 2020-06-01 | Agency page |
| MA | Massachusetts Health Policy Commission | South Shore Hospital; South Shore Anesthesia Associates | No NO_CMIR | 2020-05-28 | Agency page |
| MA | Massachusetts Health Policy Commission | Shields Health Care Group (MRI); Emerson Hospital (MRI) | No NO_CMIR | 2020-04-24 | Agency page |
| MA | Massachusetts Health Policy Commission | Shields Health Care Group (PET-CT); Emerson Hospital (PET-CT) | No NO_CMIR | 2020-04-24 | Agency page |
| MA | Massachusetts Health Policy Commission | East Boston Neighborhood Health Center; South End Community Health Center | No NO_CMIR | 2019-10-24 | Agency page |
| MA | Massachusetts Health Policy Commission | Baystate Medical Center; Greater Springfield Surgery Center | No NO_CMIR | 2019-10-16 | Agency page |
| MA | Massachusetts Health Policy Commission | Exeter Health Resources; Partners HealthCare System | No NO_CMIR | 2019-08-26 | Agency page |
| MA | Massachusetts Health Policy Commission | Boston Children's Hospital; Partners HealthCare System | No NO_CMIR | 2019-07-11 | Agency page |
| MA | Massachusetts Health Policy Commission | Baystate Medical Center; AmSurg Holdings | No NO_CMIR | 2019-06-27 | Agency page |
| MA | Massachusetts Health Policy Commission | Associated Physicians of Harvard Medical Faculty Physicians; Beth Israel Deaconess Care Organization | No NO_CMIR | 2019-06-25 | Agency page |
| MA | Massachusetts Health Policy Commission | South Shore Physician-Hospital Organization, Inc.; Sturdy Memorial Associates | No NO_CMIR | 2019-06-13 | Agency page |
| MA | Massachusetts Health Policy Commission | The Pediatric Physicians’ Organization at Children’s, LLC; Woburn and North Andover Pediatric Associates; Pediatric Associates of Brockton | No NO_CMIR | 2019-05-07 | Agency page |
| MA | Massachusetts Health Policy Commission | Harrington HealthCare System; Heywood Healthcare; Holyoke Medical Center; Signature Healthcare; South Shore Health System; Sturdy Memorial Hospital; Emerson Hospital Note: *Withdrawn (Emerson Hospital) | No NO_CMIR | 2019-04-22 | Agency page |
| MA | Massachusetts Health Policy Commission | HealthDrive Corporation; New England Geriatrics (no MCN form) | No NO_CMIR | 2019-02-12 | Agency page |
| MA | Massachusetts Health Policy Commission | Baystate Medical Center, Inc.; Beach Health Development, LLC | No NO_CMIR | 2019-02-08 | Agency page |
| MA | Massachusetts Health Policy Commission | Partners HealthCare System; Care New England Health System | No NO_CMIR | 2018-12-20 | Agency page |
| MA | Massachusetts Health Policy Commission | Dana-Farber Cancer Institute; Cape Cod Healthcare | No NO_CMIR | 2018-11-01 | Agency page |
| MA | Massachusetts Health Policy Commission | ASC HoldCo; Shields Health Care Group; Reliant MSO Note: *Updated on October 17, 2018 (Shields Health Care Group; Reliant MSO) | No NO_CMIR | 2018-09-07 | Agency page |