| 220071 | Massachusetts General Hospital | Boston | Acute Care Hospitals | 997 |
| 220110 | Brigham And Womens Hospital | Boston | Acute Care Hospitals | 826 |
| 220077 | Baystate Medical Center | Springfield | Acute Care Hospitals | 740 |
| 220086 | Beth Israel Deaconess Medical Center | Boston | Acute Care Hospitals | 705 |
| 220163 | Umass Memorial Medical Center | Worcester | Acute Care Hospitals | 700 |
| 222007 | Hebrew Rehabilitation Center | Roslindale | — | 667 |
| 220074 | Southcoast Hospitals Group Inc | Fall River | Acute Care Hospitals | 659 |
| 222003 | Tewksbury Hospital | Tewksbury | — | 540 |
| 223302 | Childrens Hospital Corporation | Boston | Childrens | 460 |
| 220031 | Boston Medical Center | Boston | Acute Care Hospitals | 412 |
| 220100 | South Shore Hospital | South Weymouth | Acute Care Hospitals | 394 |
| 220063 | Lowell General Hospital | Lowell | Acute Care Hospitals | 390 |
| 220116 | Tufts Medical Center | Boston | Acute Care Hospitals | 369 |
| 220021 | St. Luke S Hospital | New Bedford | — | 364 |
| 220171 | Lahey Clinic Hospital Inc. | Burlington | Acute Care Hospitals | 343 |
| 220033 | Beverly Hospital | Beverly | Acute Care Hospitals | 335 |
| 220089 | Metrowest Medical Center | Natick | — | 322 |
| 224007 | Mclean Hospital | Belmont | Psychiatric | 309 |
| 220028 | Saint Vincent Hospital | Worcester | — | 297 |
| 222035 | Spaulding Rehab. Hospital | Boston | — | 296 |
| 220080 | Steward Holy Family Hospital | Methuen | Acute Care Hospitals | 293 |
| 220057 | Memorial Hospital Inc | Worcester | — | 290 |
| 220035 | North Shore Medical Center | Salem | Acute Care Hospitals | 281 |
| 222006 | Lemuel Shattuck Hospital | Jamaica Plain | — | 278 |
| 220055 | Charlton Memorial Hospital | Fall River | — | 261 |
| 220176 | Saint Vincent Hospital | Worcester | Acute Care Hospitals | 253 |
| 220036 | Steward St. Elizabeths Medical Ctr | Boston | Acute Care Hospitals | 244 |
| 220101 | Newton Wellesley Hospital | Newton | Acute Care Hospitals | 240 |
| 220012 | Cape Cod Hospital | Hyannis | Acute Care Hospitals | 239 |
| 220046 | Berkshire Medical Center | Pittsfield | Acute Care Hospitals | 238 |
| 220011 | Cambridge Health Alliance | Malden | Acute Care Hospitals | 225 |
| 220104 | Boston Medical Center - Harrison Ave | Boston | — | 223 |
| 220006 | Salem Hospital | Salem | — | 222 |
| 220118 | New England Deaconess | Boston | — | 214 |
| 220111 | Good Samaritan Medical Center | Brockton | Acute Care Hospitals | 208 |
| 222010 | Radius Speciality Hospital | Roxbury | 1 | 207 |
| 224026 | Westboro State Hospital | Westboro | — | 206 |
| 220024 | Holyoke Medical Center | Holyoke | Acute Care Hospitals | 201 |
| 224041 | Southcoast Behavioral Health | Dartmouth | Psychiatric | 192 |
| 220002 | Mount Auburn Hospital | Cambridge | Acute Care Hospitals | 189 |
| 223027 | Encompass Health Rehabilitation Hosp | Braintree | — | 187 |
| 220010 | Lawrence General Hospital | Lawrence | Acute Care Hospitals | 186 |
| 220105 | Winchester Hospital | Winchester | Acute Care Hospitals | 183 |
| 222027 | New England Sinai | Stoughton | — | 182 |
| 222000 | Spaulding Hospital Cambridge | Cambridge | — | 180 |
| 223026 | Encompass Health Rehabilitation Hosp | Woburn | — | 179 |
| 220067 | Quincy Medical Center | Quincy | 1 | 174 |
| 222041 | Olympus Of Massachusetts | Springfield | — | 174 |
| 224001 | Taunton State Hospital | Taunton | — | 169 |
| 220064 | Boston Regional Medical | Stoneham | — | 167 |
| 222024 | Olympus Specialty Hosp-Lexington | Waltham | — | 164 |
| 220070 | Melrosewakefield Healthcare Inc | Medford | Acute Care Hospitals | 160 |
| 220082 | Saints Medical Center | Lowell | 1 | 157 |
| 224032 | Worcester State Hospital | Worcester | — | 156 |
| 220020 | Steward St. Annes Hospital | Fall River | Acute Care Hospitals | 154 |
| 220060 | Beth Israel Deaconess - Plymouth | Plymouth | Acute Care Hospitals | 151 |
| 222014 | Boston Specialty Hospital | Boston | — | 151 |
| 220066 | The Mercy Hospital | Springfield | Acute Care Hospitals | 150 |
| 220090 | Milford Regional Medical Center Inc | Milford | Acute Care Hospitals | 148 |
| 220119 | Faulkner Hospital | Jamaica Plain | Acute Care Hospitals | 147 |
| 224013 | The Arbour Hospital | Jamaica Plains | Psychiatric | 142 |
| 220052 | Brockton Hospital Inc. | Brockton | Acute Care Hospitals | 139 |
| 220106 | Melrose Wakefield Hospital | Melrose | — | 136 |
| 220094 | Leominster Hospital | Fitchburg | — | 132 |
| 223034 | Spaulding Rehabilitation Hospital | Charlestown | — | 132 |
| 220019 | Harrington Memorial Hospital | Southbridge | Acute Care Hospitals | 129 |
| 220079 | Caritas Southwood | Norfolk | — | 126 |
| 220001 | Healthalliance-Clinton | Leominster | Acute Care Hospitals | 125 |
| 220008 | Sturdy Memorial Hospital | Attleboro | Acute Care Hospitals | 125 |
| 220073 | Morton Hospital | Taunton | Acute Care Hospitals | 125 |
| 220175 | Metrowest Medical Center | Natick | Acute Care Hospitals | 123 |
| 224043 | Devens Treatment & Recovery Center | Devens | Psychiatric | 122 |
| 222026 | Shaughnessy-Kaplan Rehabilitation Ho | Salem | 1 | 120 |
| 224023 | Pembroke Hospital | Westwood | Psychiatric | 120 |
| 224045 | Hospital For Behavioral Medicine | Worcester | Psychiatric | 120 |
| 220015 | Cooley Dickinson Hospital | Northampton | Acute Care Hospitals | 118 |
| 220029 | Anna Jaques Hospital | Newburyport | Acute Care Hospitals | 116 |
| 220062 | Adcare Hospital Of Worcester | Worcester | Acute Care Hospitals | 114 |
| 220076 | Waltham Hospital | Waltham | — | 114 |
| 220095 | Henry Heywood Memorial Hospital | Gardner | Acute Care Hospitals | 114 |
| 224044 | Aurora Westborough Bhs | Westborough | Psychiatric | 114 |
| 223300 | Franciscan Hospital For Children | Brighton | Childrens | 112 |
| 220084 | Emerson Hospital | Concord | Acute Care Hospitals | 111 |
| 222029 | Mass Respiratory Hospital | Braintree | — | 110 |
| 223029 | Fairlawn Rehabilitation Hospital An | Worcester | — | 110 |
| 224021 | Fuller Memorial Hospital | South Attleboro | Psychiatric | 109 |
| 220041 | Hale Municipal Hospital | Haverhill | — | 108 |
| 220017 | Steward Carney Hospital Inc | Dorchester | Acute Care Hospitals | 106 |
| 224030 | Medfield State Hospital | Medfield | — | 104 |
| 220108 | Bidmc-Milton Hospital Inc | Milton | Acute Care Hospitals | 102 |
| 224022 | Bournewood Hospital | Brookline | Psychiatric | 102 |
| 220042 | Whidden Memorial Hospital | Everett | — | 101 |
| 220174 | Merrimack Valley Hospital | Haverhill | 1 | 99 |
| 222043 | Vibra Hosp Of Southeastern Mass | New Bedford | — | 90 |
| 224034 | Charles River Hospital - West | Chicopee | — | 90 |
| 224047 | Hcris Filer 224047 | Holyoke | — | 90 |
| 220016 | Baystate Franklin Medical Center | Greenfield | Acute Care Hospitals | 89 |
| 224046 | Miravista Behavioral Health Center | Holyoke | Psychiatric | 88 |
| 220135 | Falmouth Hospital | Falmouth | Acute Care Hospitals | 81 |
| 220154 | Soldiers Home- Chelsea | Chelsea | — | 81 |
| 222002 | Curahealth Stoughton | Stoughton | — | 80 |
| 222023 | Western Massachusetts Hospital | Westfield | 1 | 80 |
| 222046 | Vibra Hospital Of Western Massachuse | Springfield | — | 77 |
| 220088 | New England Baptist Hospital | Boston | Acute Care Hospitals | 75 |
| 223033 | Whittier Hospital-Westborough | Westborough | — | 74 |
| 220083 | Beth Israel Deaconess Hospital- Need | Needham | Acute Care Hospitals | 73 |
| 220053 | Medical Center @ Symmes | Arlington | — | 72 |
| 224042 | High Point Hospital | Middleborough | — | 72 |
| 224039 | Haverhill Pavilion | Haverhill | Psychiatric | 71 |
| 220049 | Marlborough Hospital | Marlborough | Acute Care Hospitals | 67 |
| 220128 | Addison Gilbert Hospital | Gloucester | — | 67 |
| 224018 | Human Resource Institute | Boston | Psychiatric | 66 |
| 222048 | Whittier Hospital-Westborough | Westborough | — | 63 |
| 224035 | Charles River Hospital | Wellesley | — | 62 |
| 223028 | Whittier Hospital-Haverhill | Haverhill | — | 60 |
| 223032 | Rehab Hospital Of Cape & Islands | East Sandwich | — | 60 |
| 224040 | Dr. Solomon Carter Fuller Mental Hl | Boston | 1 | 60 |
| 222045 | Curahealth Boston | Boston | 1 | 59 |
| 224037 | Lindemann Mental Health Center | Boston | — | 58 |
| 220098 | Nashoba Valley Hospital | Ayer | Acute Care Hospitals | 57 |
| 223030 | Encompass Health Rehabilitation Hosp | Ludlow | — | 53 |
| 220065 | Baystate Noble Hospital | Westfield | Acute Care Hospitals | 51 |
| 224038 | Walden Behavioral Care | Waltham | Psychiatric | 51 |
| 220051 | North Adams Regional Hospital | North Adams | 2 | 49 |
| 222044 | Curahealth Boston Northshore | Peabody | 1 | 42 |
| 220030 | Baystate Wing Hospital & Medical Ctr | Palmer | Acute Care Hospitals | 41 |
| 220075 | Massachusetts Eye And Ear Infirmary | Boston | Acute Care Hospitals | 41 |
| 220092 | Malden Hospital | Malden | — | 41 |
| 224036 | S C Fuller Mental Health Center | Boston | — | 36 |
| 222008 | St. John Of God Hospital | Brighton | — | 35 |
| 222042 | Worcester County | Boylston | — | 35 |
| 222047 | Whittier Hospital-Bradford | Bradford | — | 35 |
| 224033 | Baldpate Hospital | Georgetown | 1 | 35 |
| 220003 | Athol Memorial Hospital | Athol | — | 33 |
| 220162 | Dana-Farber Cancer Institute | Boston | — | 30 |
| 220023 | Providence Hospital Inc. | Holyoke | — | 27 |
| 220050 | Baystate Mary Lane Hospital Corporat | Ware | 1 | 25 |
| 221300 | Marthas Vineyard Hospital | Oak Bluffs | Critical Access Hospitals | 25 |
| 221302 | Fairview Hospital | Great Barrington | Critical Access Hospitals | 24 |
| 220025 | Hubbard Regional Hospital | Webster | — | 22 |
| 220038 | Fairview Hospital | Great Barrington | — | 22 |
| 220123 | Martha S Vineyard Hospital | Oak Bluffs | — | 22 |
| 220058 | Ummhc~Clinton Hospital | Clinton | 1 | 21 |
| 221303 | Athol Memorial Hospital | Athol | Critical Access Hospitals | 21 |
| 224029 | Choate Health Systems | Winchester | — | 21 |
| 221990 | Chestnut Hill Benevolent Association | Chestnut Hill | — | 20 |
| 220081 | Nantucket Cottage Hospital | Nantucket | — | 19 |
| 221304 | Hcris Filer 221304 | North Adams | — | 18 |
| 224017 | H.c. Solomon Mental Health Center | Lowell | — | 16 |
| 224025 | Quincy Mental Health Center | Quincy | — | 16 |
| 224028 | Corrigan Mental Health Center | Fall River | — | 16 |
| 224031 | Cape Cod Mental Health Center | Pocasset | — | 16 |
| 221301 | Nantucket Cottage Hospital | Nantucket | — | 15 |
| 220177 | Nantucket Cottage Hospital | Nantucket | Acute Care Hospitals | 14 |
| 220153 | Soldiers Home In Holyoke | Holyoke | — | 12 |
| 220133 | Stillman Infirmary | Cambridge | — | 10 |
| 220126 | Steward Norwood Hospital | Norwood | Acute Care Hospitals | — |
| 220172 | University Health Services Inc | Amherst | — | — |
| 222025 | Massachusetts Hospital School | Canton | — | — |
| 223303 | The Shriners Hospital For Children | Springfield | — | — |
| 223304 | The Shriners Hospital For Children | Boston | Childrens | — |