| Umass Memorial Health Care IncMarlborough | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Cape Cod Healthcare IncHyannis | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Umass Memorial Health Care IncWorcester | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Umass Memorial Health Care IncWorcester | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Umass Memorial Health Care IncLeominster | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Carousel Guild Inc at OlympusSpringfield | None required | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Physicians Organization IncBoston | Form 990 or 990-EZ | No figure |
| Milford Regional Physician Group IncMilford | Form 990 or 990-EZ | No figure |
| Umass Memorial Health Care IncLeominster | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Umass Memorial Health Care IncLeominster | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Masschusetts Education & Government Assoc Workers Compensation GR IncWakefield | None required | No figure |
| Umass Memorial Community Entities IncWorcester | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Umass Memorial Health Care IncWorcester | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Tufts Medical Center Parent IncBoston | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Mass General Brigham IncorporatedSomerville | Form 990 or 990-EZ | No figure |
| Cape Cod Healthcare IncHyannis | Form 990 or 990-EZ | No figure |
| Dimock Community Foundation IncRoxbury | Form 990 or 990-EZ | No figure |
| American Music Therapy AssociationPembroke | Form 990 or 990-EZ | No figure |