| | Atrium Medical Center |
| | Aultman Hospital |
| | Back & Spine Center of West Chester |
 | Bay Park Community Hospital |
| | Cincinnati MD Resource Center |
| | Community Hospitalists |
| Defiance Regional Medical Center |
| | Doctors Express Oakley/Hyde Park |
| Doctors Hospital |
| | Firelands Regional Medical Center |
| | Fisher-Titus Medical Center |
| Flower Hospital |
| Fostoria Community Hospital |
| Grady Memorial Hospital |
| | Health Improvement Collaborative of GC |
| | HealthSource of Ohio |
| | Highland District Hospital |
| | Holzer Clinic |
| | Hometown Urgent Care |
| | Hometown Urgent Care |
| | Hospitalists Management Group |
| | Inpatient Care Unified, INC. |
| | Knox Community Hospital |
| Lake Health |
| | Lima Memorial Hospital |
| | Lindner Center of HOPE |
| Marietta Memorial |
| | McCullough-Hyde Memorial Hospital |
| | MedCentral Health System |
| | Memorial Health Care System |
| | Mercy Health Southwest Ohio |
| | Meritas Medical, Inc. |
| | Miami Valley Hospital |
| | Neighborhood Health Care |
| | Pediatric Consultants |
| | Primary Health Solutions |
| | ProMedica Wildwood Orthopaedic & Spine Hospital |
| Riverside & Grant Hospitals |
| | St. Luke's Hospital |
| | State of Ohio: Mental Health - Central Office |
| | Talbert House & Centerpoint Health |
| | The Christ Hospital |
| | The HealthCare Connection |
| | The Toledo Clinic |
| The Toledo Hospital |
| Toledo Children's Hospital |
| | Tri-State Urgent Care Centers |
| | TriHealth |
| | Union Hospital |
| | Upper Valley Medical Center |
| | VA Medical Center |
| | Wilson Memorial Hospital |
| | Winton Hills Medical & Health Center |
| | Wood County Hospital |
