| Oneonta, NY | A.O. Fox Memorial Hospital | 739 | Hospital | — |
| Sidney, NY | A.O. Fox Memorial Hospital - Tri-Town Campus | 8554 | Hospital | Jan 11, 2008 |
| Lake Placid, NY | Adirondack Medical Center-Lake Placid Site | 306 | Hospital | Jan 1, 1991 |
| Saranac Lake, NY | Adirondack Medical Center-Saranac Lake Site | 324 | Hospital | Jan 1, 1991 |
| Albany, NY | Albany Medical Center - South Clinical Campus | 2 | Hospital | Feb 1, 1980 |
| Albany, NY | Albany Medical Center Hospital | 1 | Hospital | — |
| Elmira, NY | Arnot Ogden Medical Center | 116 | Hospital | — |
| Auburn, NY | Auburn Community Hospital | 85 | Hospital | — |
| New York, NY | Bellevue Hospital Center | 1438 | Hospital | — |
| Springville, NY | Bertrand Chaffee Hospital | 280 | Hospital | — |
| Valhalla, NY | Blythedale Children's Hospital | 1138 | Hospital | — |
| Bronx, NY | BronxCare Hospital Center | 1164 | Hospital | — |
| Bronx, NY | BronxCare Hospital Center | 1178 | Hospital | — |
| Brooklyn, NY | Brookdale Hospital Medical Center | 1286 | Hospital | — |
| Brooklyn, NY | Brooklyn Hospital Center - Downtown Campus | 1288 | Hospital | — |
| Dunkirk, NY | Brooks-TLC Hospital System, Inc. | 98 | Hospital | — |
| Buffalo, NY | Buffalo General Medical Center | 207 | Hospital | Feb 1, 1980 |
| Brooklyn, NY | Calvary Hospital | 10223 | Hospital | Oct 16, 2001 |
| Bronx, NY | Calvary Hospital Inc | 1175 | Hospital | — |
| Potsdam, NY | Canton-Potsdam Hospital | 815 | Hospital | — |
| Ithaca, NY | Cayuga Medical Center at Ithaca | 977 | Hospital | — |
| Norwich, NY | Chenango Memorial Hospital Inc | 128 | Hospital | — |
| Syracuse, NY | Children's Pavilion Upstate Medical University | 15709 | Hospital | Nov 25, 2024 |
| Clifton Springs, NY | Clifton Springs Hospital and Clinic | 676 | Hospital | — |
| Hudson, NY | Columbia Memorial Hospital | 146 | Hospital | — |
| Corning, NY | Corning Hospital | 866 | Hospital | — |
| Syracuse, NY | Crouse Hospital | 636 | Hospital | — |
| Syracuse, NY | Crouse Hospital - Commonwealth Division | 9059 | Hospital | Jun 1, 2009 |
| New York, NY | David H. Koch Center For Cancer Care | 10355 | Hospital | Dec 1, 2019 |
| Schenectady, NY | Ellis Hospital | 829 | Hospital | — |
| Niskayuna, NY | Ellis Hospital - Bellevue Woman's Care Center Division | 848 | Hospital | Aug 1, 1979 |
| Elmhurst, NY | Elmhurst Hospital Center | 1626 | Hospital | — |
| Buffalo, NY | Erie County Medical Center | 210 | Hospital | — |
| Canandaigua, NY | F.F. Thompson Hospital | 678 | Hospital | — |
| Utica, NY | Faxton St Luke's Healthcare Campus | 599 | Hospital | — |
| Flushing, NY | Flushing Hospital Medical Center | 1628 | Hospital | — |
| Middletown, NY | Garnet Health Medical Center | 699 | Hospital | — |
| Harris, NY | Garnet Health Medical Center - Catskills | 971 | Hospital | — |
| Geneva, NY | Geneva General Hospital | 671 | Hospital | — |
| Glen Cove, NY | Glen Cove Hospital | 490 | Hospital | — |
| Glens Falls, NY | Glens Falls Hospital | 1005 | Hospital | — |
| Buffalo, NY | Golisano Children's Hospital of Buffalo | 208 | Hospital | Feb 1, 1978 |
| Suffern, NY | Good Samaritan Hospital, a member of WMCHealth | 779 | Hospital | — |
| West Islip, NY | Good Samaritan University Hospital | 925 | Hospital | Feb 1, 1979 |
| Port Jefferson, NY | Good Samaritan University Hospital St. Charles Campus | 896 | Hospital | — |
| Cortland, NY | Guthrie Cortland Medical Center | 158 | Hospital | — |
| Binghamton, NY | Guthrie Lourdes Hospital | 43 | Hospital | — |
| New York, NY | Harlem Hospital Center | 1445 | Hospital | — |
| Kingston, NY | HealthAlliance Hospital, a member of WMCHealth | 989 | Hospital | — |
| West Haverstraw, NY | Helen Hayes Hospital | 775 | Hospital | — |
| New York, NY | Henry J. Carter Specialty Hospital | 1486 | Hospital | — |
| Rochester, NY | Highland Hospital | 409 | Hospital | — |
| New York, NY | Hospital for Special Surgery | 1447 | Hospital | — |
| Huntington, NY | Huntington Hospital | 913 | Hospital | — |
| Brooklyn, NY | Interfaith Medical Center | 1309 | Hospital | Apr 24, 1980 |
| Bronx, NY | Jacobi Medical Center | 1165 | Hospital | — |
| Jamaica, NY | Jamaica Hospital Medical Center | 1629 | Hospital | — |
| Port Jefferson, NY | John T Mather Memorial Hospital of Port Jefferson New York Inc | 895 | Hospital | — |
| Kenmore, NY | Kenmore Mercy Hospital | 267 | Hospital | — |
| Brooklyn, NY | Kings County Hospital Center | 1301 | Hospital | — |
| Brooklyn, NY | Kingsbrook Jewish Medical Village | 1315 | Hospital | — |
| Oswego, NY | Lakeview Center for Mental Health and Wellness | 12 | Hospital | Feb 1, 1981 |
| New York, NY | Lenox Hill Hospital | 1450 | Hospital | — |
| Bronx, NY | Lincoln Medical & Mental Health Center | 1172 | Hospital | — |
| Lockport, NY | Lockport Memorial Hospital, a Campus of Mount St Mary's | 15464 | Hospital | Oct 10, 2023 |
| Forest Hills, NY | Long Island Jewish Forest Hills | 1638 | Hospital | — |
| New Hyde Park, NY | Long Island Jewish Medical Center | 1630 | Hospital | — |
| Valley Stream, NY | Long Island Jewish Valley Stream | 518 | Hospital | — |
| Brooklyn, NY | Maimonides Medical Center | 1305 | Hospital | — |
| Brooklyn, NY | Maimonides Midwood Community Hospital | 1293 | Hospital | — |
| Cooperstown, NY | Mary Imogene Bassett Hospital | 746 | Hospital | — |
| Massena, NY | Massena Hospital | 804 | Hospital | — |
| Wellsville, NY | Memorial Hosp of Wm F & Gertrude F Jones A/K/A Jones Memorial Hosp | 39 | Hospital | — |
| New York, NY | Memorial Hospital for Cancer and Allied Diseases | 1453 | Hospital | — |
| Rockville Centre, NY | Mercy Hospital | 513 | Hospital | Aug 1, 1979 |
| Orchard Park, NY | Mercy Hospital - Mercy Hospital Orchard Park Division | 1723 | Hospital | Feb 2, 2007 |
| Buffalo, NY | Mercy Hospital of Buffalo | 213 | Hospital | — |
| New York, NY | Metropolitan Hospital Center | 1454 | Hospital | — |
| Poughkeepsie, NY | Mid-Hudson Valley Division of Westchester Medical Center | 180 | Hospital | — |
| Amherst, NY | Millard Fillmore Suburban Hospital | 3067 | Hospital | Oct 15, 1979 |
| Bronx, NY | Montefiore Einstein Children's Center for Mental Health of the Children's Hospital at Montefiore Einstein | 15897 | Hospital | Dec 18, 2025 |
| Bronx, NY | Montefiore Med Center - Jack D Weiler Hosp of A Einstein College Div | 3058 | Hospital | — |
| Bronx, NY | Montefiore Medical Center - Henry & Lucy Moses Div | 1169 | Hospital | — |
| Bronx, NY | Montefiore Medical Center - Montefiore Westchester Square | 1185 | Hospital | Aug 1, 1979 |
| Bronx, NY | Montefiore Medical Center-Wakefield Hospital | 1168 | Hospital | Apr 28, 1980 |
| Mount Vernon, NY | Montefiore Mount Vernon Hospital | 1061 | Hospital | — |
| New Rochelle, NY | Montefiore New Rochelle Hospital | 1072 | Hospital | — |
| Nyack, NY | Montefiore Nyack | 776 | Hospital | — |
| New York, NY | Mount Sinai - Behavioral Health Center | 15437 | Hospital | Jun 27, 2023 |
| Brooklyn, NY | Mount Sinai Brooklyn | 1324 | Hospital | Aug 1, 1979 |
| New York, NY | Mount Sinai Hospital | 1456 | Hospital | — |
| Long Island City, NY | Mount Sinai Hospital - Mount Sinai Hospital of Queens | 1639 | Hospital | Aug 1, 1979 |
| New York, NY | Mount Sinai Morningside | 1469 | Hospital | — |
| Oceanside, NY | Mount Sinai South Nassau | 527 | Hospital | — |
| New York, NY | Mount Sinai West | 1466 | Hospital | — |
| Lewiston, NY | Mount St. Mary's Hospital and Health Center | 583 | Hospital | Feb 1, 1979 |
| East Meadow, NY | Nassau University Medical Center | 528 | Hospital | — |
| Gloversville, NY | Nathan Littauer Hospital | 330 | Hospital | — |
| New York, NY | New York Eye and Ear Infirmary of Mount Sinai | 1460 | Hospital | — |
| New York, NY | New York-Presbyterian David H. Koch Center | 10139 | Hospital | Apr 9, 2018 |
| New York, NY | New York-Presbyterian Hospital - Allen Hospital | 3975 | Hospital | Jul 18, 1988 |
| New York, NY | New York-Presbyterian Hospital - Columbia Presbyterian Center | 1464 | Hospital | Feb 1, 1980 |
| New York, NY | New York-Presbyterian Hospital - New York Weill Cornell Center | 1458 | Hospital | Feb 1, 1978 |
| Bronxville, NY | New York-Presbyterian Westchester | 1122 | Hospital | — |
| White Plains, NY | New York-Presbyterian Westchester Behavioral Health Center | 1047 | Hospital | Aug 1, 1979 |
| New York, NY | New York-Presbyterian/Lower Manhattan Hospital | 1437 | Hospital | — |
| Newark, NY | Newark-Wayne Community Hospital | 1028 | Hospital | — |
| Brooklyn, NY | NewYork-Presbyterian Brooklyn Methodist Hospital | 1306 | Hospital | — |
| Cortlandt Manor, NY | NewYork-Presbyterian/Hudson Valley Hospital | 1039 | Hospital | — |
| Flushing, NY | NewYork-Presbyterian/Queens | 1637 | Hospital | — |
| Niagara Falls, NY | Niagara Falls Memorial Medical Center | 574 | Hospital | — |
| Dansville, NY | Nicholas H. Noyes Memorial Hospital | 393 | Hospital | — |
| Bronx, NY | North Central Bronx Hospital | 1186 | Hospital | — |
| Manhasset, NY | North Shore University Hospital | 541 | Hospital | — |
| Rhinebeck, NY | Northern Dutchess Hospital | 192 | Hospital | — |
| Mount Kisco, NY | Northern Westchester Hospital | 1117 | Hospital | — |
| New York, NY | Northwell Greenwich Village Hospital | 9700 | Hospital | Jul 17, 2014 |
| Brooklyn, NY | NYU Langone Hospital - Joseph S. and Diane H. Steinberg Ambulatory Care Center | 9753 | Hospital | Oct 31, 2014 |
| Patchogue, NY | NYU Langone Hospital - Suffolk | 885 | Hospital | — |
| Brooklyn, NY | NYU Langone Hospital-Brooklyn | 1304 | Hospital | — |
| Mineola, NY | NYU Langone Hospital-Long Island | 511 | Hospital | — |
| New York, NY | NYU Langone Hospitals | 1463 | Hospital | Jun 17, 1980 |
| New York, NY | NYU Langone Orthopedic Hospital | 1446 | Hospital | Feb 1, 1980 |
| Olean, NY | Olean General Hospital | 66 | Hospital | — |
| Oneida, NY | Oneida Health Hospital | 397 | Hospital | Feb 1, 1979 |
| Oswego, NY | Oswego Hospital | 727 | Hospital | — |
| Riverhead, NY | Peconic Bay Medical Center | 938 | Hospital | — |
| Sleepy Hollow, NY | Phelps Hospital | 1129 | Hospital | — |
| Plainview, NY | Plainview Hospital | 552 | Hospital | Feb 1, 1979 |
| Port Jervis, NY | Port Jervis Community Hospital, a member of WMCHealth | 708 | Hospital | — |
| Carmel, NY | Putnam Hospital | 752 | Hospital | — |
| Jamaica, NY | Queens Hospital Center | 1633 | Hospital | — |
| Staten Island, NY | Richmond University Medical Center | 1738 | Hospital | Aug 1, 1979 |
| Rochester, NY | Rochester General Hospital | 411 | Hospital | — |
| Rome, NY | Rome Memorial Hospital, Inc | 589 | Hospital | Aug 1, 1979 |
| Buffalo, NY | Roswell Park Cancer Institute | 216 | Hospital | — |
| Staten Island, NY | RUMC-Bayley Seton | 1473 | Hospital | Nov 20, 1981 |
| Troy, NY | Samaritan Hospital | 756 | Hospital | — |
| Albany, NY | Samaritan Hospital - Albany Memorial Campus | 4 | Hospital | — |
| Watertown, NY | Samaritan Medical Center | 367 | Hospital | — |
| Saratoga Springs, NY | Saratoga Hospital | 818 | Hospital | — |
| Bronx, NY | SBH Health System | 1176 | Hospital | — |
| Buffalo, NY | Sisters of Charity Hospital | 218 | Hospital | — |
| Cheektowaga, NY | Sisters of Charity Hospital - St. Joseph Campus | 292 | Hospital | — |
| Dobbs Ferry, NY | SJRH - Dobbs Ferry Pavillion | 1124 | Hospital | — |
| Yonkers, NY | SJRH - Park Care Pavilion | 1099 | Hospital | Aug 1, 1979 |
| Yonkers, NY | SJRH - St Johns Division | 1097 | Hospital | — |
| Brooklyn, NY | South Brooklyn Health | 1294 | Hospital | — |
| Long Beach, NY | South Nassau Communities Hospital Off-Campus Emergency Department | 9691 | Hospital | Jun 30, 2014 |
| Bay Shore, NY | South Shore University Hospital | 924 | Hospital | — |
| Smithtown, NY | St Catherine of Siena Hospital | 943 | Hospital | Jul 12, 1977 |
| Far Rockaway, NY | St Johns Episcopal Hospital So Shore | 1635 | Hospital | Sep 27, 1979 |
| Newburgh, NY | St Luke's Cornwall Hospital/Newburgh | 694 | Hospital | Feb 1, 1979 |
| Warwick, NY | St. Anthony Community Hospital, a member of WMCHealth | 704 | Hospital | — |
| Roslyn, NY | St. Francis Hospital & Heart Center | 563 | Hospital | — |
| Hornell, NY | St. James Hospital | 870 | Hospital | — |
| Bethpage, NY | St. Joseph Hospital | 551 | Hospital | Aug 1, 1980 |
| Elmira, NY | St. Joseph's Hospital | 118 | Hospital | — |
| Syracuse, NY | St. Joseph's Hospital Health Center | 630 | Hospital | — |
| Harrison, NY | St. Joseph's MC-St. Vincent's Westchester Division | 1133 | Hospital | Aug 1, 1979 |
| Yonkers, NY | St. Joseph's Medical Center | 1098 | Hospital | — |
| Amsterdam, NY | St. Mary's Healthcare | 484 | Hospital | — |
| Amsterdam, NY | St. Mary's Healthcare - Amsterdam Memorial Campus | 482 | Hospital | — |
| Guilderland, NY | St. Peter's Addiction Recovery Center | 9431 | Hospital | Dec 28, 2012 |
| Albany, NY | St. Peter's Hospital | 5 | Hospital | — |
| Troy, NY | St. Peter's Hospital - SPARC | 15417 | Hospital | May 15, 2023 |
| Staten Island, NY | Staten Island University Hosp-North | 1740 | Hospital | — |
| Staten Island, NY | Staten Island University Hospital Prince's Bay | 1737 | Hospital | Aug 1, 1979 |
| Greenport, NY | Stony Brook Eastern Long Island Hospital | 891 | Hospital | — |
| Southampton, NY | Stony Brook Southampton Hospital | 889 | Hospital | — |
| Stony Brook, NY | Stony Brook University Hospital | 245 | Hospital | Jan 21, 1980 |
| Rochester, NY | Strong Memorial Hospital | 413 | Hospital | — |
| Schenectady, NY | Sunnyview Hospital and Rehabilitation Center | 831 | Hospital | — |
| Syosset, NY | Syosset Hospital | 550 | Hospital | Nov 18, 1984 |
| Rochester, NY | The Unity Hospital of Rochester | 471 | Hospital | — |
| Plattsburgh, NY | The University of Vermont Health Network - Champlain Valley Physicians Hospital | 135 | Hospital | — |
| Binghamton, NY | United Health Services Hospitals Inc. - Binghamton General Hospital | 42 | Hospital | Feb 1, 1980 |
| Johnson City, NY | United Health Services Hospitals Inc. - Wilson Medical Center | 58 | Hospital | Feb 1, 1979 |
| Batavia, NY | United Memorial Medical Center Bank Street Campus | 340 | Hospital | Jan 1, 2000 |
| Batavia, NY | United Memorial Medical Center North Street Campus | 339 | Hospital | — |
| Rochester, NY | Unity Specialty Hospital | 412 | Hospital | Jan 1, 1970 |
| Brooklyn, NY | University Hospital of Brooklyn | 1320 | Hospital | — |
| Syracuse, NY | University Hospital SUNY Health Science Center | 635 | Hospital | — |
| Jamestown, NY | UPMC Chautauqua at WCA | 102 | Hospital | Aug 17, 1990 |
| Jamestown, NY | UPMC Chautauqua at WCA | 103 | Hospital | — |
| Syracuse, NY | UPSTATE University Hospital at Community General | 628 | Hospital | — |
| Brockport, NY | URMC Strong West | 9531 | Hospital | Jul 15, 2013 |
| Poughkeepsie, NY | Vassar Brothers Medical Center | 181 | Hospital | — |
| Valhalla, NY | Westchester Medical Center | 1139 | Hospital | — |
| White Plains, NY | White Plains Hospital Center | 1045 | Hospital | — |
| White Plains, NY | Winifred Masterson Burke Rehabilitation Hospital | 1046 | Hospital | — |
| Brooklyn, NY | Woodhull Medical & Mental Health Center | 1692 | Hospital | May 24, 1982 |
| Brooklyn, NY | Wyckoff Heights Medical Center | 1318 | Hospital | — |
| Utica, NY | Wynn Hospital | 15478 | Hospital | Oct 29, 2023 |