| Ou Health Partners Inc | Oklahoma City | 1,184 |
| Warren Clinic Inc | Tulsa | 883 |
| Integris Ambulatory Care Corporation | Spencer | 685 |
| Mercy Clinic Oklahoma Communities | Oklahoma City | 649 |
| Cherokee Nation | Tahlequah | 449 |
| Saints Medical Group, LLC | Oklahoma City | 435 |
| Creek Nation Hospital and Clinics | Okmulgee | 365 |
| Ahs Oklahoma Physician Group LLC | Tulsa | 313 |
| Choctaw Nation of Oklahoma | McAlester | 267 |
| St. John Physicians, Inc. | Tulsa | 259 |
| Chickasaw Nation Division of Health Chickasaw Nation Medical Center | Ada | 240 |
| Williams Medical Group Practice LLC | Enid | 217 |
| Usacs Observation Medicine Services of Oklahoma, LLC | Tulsa | 210 |
| Integral Anesthesia LLC | Owasso | 159 |
| Stillwater Medical Center Authority | Stillwater | 153 |
| Ies ER Oklahoma LLC | Muskogee | 143 |
| Norman Regional Providers Specialty Care | Norman | 142 |
| Tulsa Hospital Medicine Physicians Group, LLC | Owasso | 137 |
| Ohh Physicians LLC | Oklahoma City | 133 |
| Ahs Oklahoma Heart LLC | Tulsa | 132 |
| Comanche County Healthcare Corporation | Lawton | 130 |
| Lawton Indian Hospital | Lawton | 128 |
| Grand Lake Mental Health Center, Inc. | Tulsa | 127 |
| Ptms 3.0 LLC | Edmond | 119 |
| Las Cruces Physician Services LLC | Tulsa | 118 |
| Integris Cardiovascular Physicians LLC | Oklahoma City | 116 |
| Green Country Emergency Physicians Group of Tulsa, PLLC | Henryetta | 113 |
| Associated Anesthesiologists, Inc. | Tulsa | 113 |
| The Physicians Group, LLC | Oklahoma City | 111 |
| Oklahoma State University | Tulsa | 108 |
| Anesthesia Medical Professionals PLLC | Oklahoma City | 106 |
| Northeastern Health System | Tahlequah | 103 |
| Variety Care, Inc. | Oklahoma City | 103 |
| McBride Clinic Orthopedic Hospital, LLC | Oklahoma City | 101 |
| State of Oklahoma | Norman | 97 |
| Balance Womens Health LLC | Oklahoma City | 95 |
| Tulsa Bone and Joint Associates PC | Tulsa | 91 |
| Advanced Orthopedics of Oklahoma PLLC | Jenks | 90 |
| Central Valley Imaging Medical Associates Inc | Edmond | 89 |
| Pawnee Indian Health Center | Pawnee | 88 |
| Focus Medical Imaging | Oklahoma City | 84 |
| Absentee Shawnee Tribal Health Authority, Inc | Norman | 83 |
| Emergency Physicians of Mid-America PC | Purcell | 82 |
| Omni Medical Group Inc | Tulsa | 82 |
| Board of Regents of the University of Oklahoma Ou Physicians Tulsa | Tulsa | 81 |
| California Managed Imaging Medical Group Inc | Tulsa | 79 |
| Clinton Indian Health Center | Clinton | 76 |
| Laureate Psychiatric Clinic and Hospital Inc | Tulsa | 76 |
| Oklahoma Mental Health Council | Oklahoma City | 69 |
| Osh Aai PLLC | Tulsa | 69 |
| Duncan Regional Hospital, Inc | Marlow | 68 |
| Emergency Services of Oklahoma PC | Grove | 66 |
| Lighthouse Behavioral Wellness Centers | Ardmore | 64 |
| Jackson County Memorial Hospital Authority | Hollis | 62 |
| Family and Children's Services, Inc | Tulsa | 62 |
| Saint Francis Hospital, Inc. | Tulsa | 61 |
| Central Oklahoma American Indian Health Council, Inc. | Oklahoma City | 59 |
| Radiology Associates of San Luis Obispo A Medical Group Inc | Tulsa | 59 |
| Central Oklahoma Family Medical Center Inc | Ada | 58 |
| Metro Physicians LLC | Shawnee | 56 |
| Radiology Associates of Wichita Falls PA | Lake Aluma | 56 |
| Anesthesia Scheduling Services, P.C. | Oklahoma City | 56 |
| South Central Emergency Services, PC | Miami | 55 |
| Integris Health Allset Urgent Care LLC | Oklahoma City | 54 |
| Norman Regional Providers Primary Care | Norman | 54 |
| Medical Resource Management LLC | Newcastle | 52 |
| Mississippi Hma Hospitalists LLC | Tulsa | 52 |
| Comanche County Hospital Authority | Lawton | 51 |
| Affiliated Anesthesiologists, LLC | Oklahoma City | 51 |
| Zuhdi Transplant Physicians | Oklahoma City | 49 |
| El Reno Indian Health Center | El Reno | 48 |
| Hpi Physicians LLC | Oklahoma City | 48 |
| Anadarko Indian Health Center | Anadarko | 48 |
| Mercy Oklahoma Ambulatory Services LLC | Oklahoma City | 48 |
| Oklahoma Cancer Specialists and Research Institute, LLC | Tulsa | 47 |
| Grady Memorial Hospital | Chickasha | 47 |
| Texomacare | Durant | 47 |
| Urologic Specialists of Oklahoma Inc | Tulsa | 47 |
| Ssm Health Care of Oklahoma, Inc. | Oklahoma City | 46 |
| Stigler Health and Wellness Center Inc | Eufaula | 46 |
| Oklahoma Arthritis Center, P.C. | Edmond | 45 |
| McAlester Regional Health Center Authority | McAlester | 45 |
| H2 Health Oklahoma Outpatient Clinics LLC | Elgin | 44 |
| West Valley Radiology Medical Group Inc | Lake Aluma | 43 |
| Hillcrest Urgent Care, LLC | Tulsa | 42 |
| Wewoka Indian Health | Wewoka | 42 |
| Farmers Union Hospital Association | Elk City | 42 |
| Dean McGee Eye Institute | Oklahoma City | 41 |
| Creoks Mental Health Services | Okmulgee | 39 |
| Texomacare Specialty Physicians | Durant | 38 |
| Long Term Care Specialists, Inc | Oklahoma City | 37 |
| Mercy Hospital Oklahoma City, Inc | Oklahoma City | 37 |
| Northeastern Oklahoma Community Health Centers, Inc | Hulbert | 36 |
| Norman Anesthesia Providers, P.C. | Norman | 36 |
| Triad Eye Institute PLLC | Tulsa | 36 |
| Preferred Family Healthcare Inc | Bartlesville | 34 |
| Radiology Consultants of Tulsa, Inc. | Tulsa | 34 |
| Immediate Care of Oklahoma LLC | Choctaw | 34 |
| Citizen Potawatomi Nation | Shawnee | 34 |
| Family Health Center of Southern Oklahoma Inc | Coalgate | 34 |