- Clinton Family Practice
- DMH Express Care – North
- OSF Medical Group
- Bromenn Sugar Creek
- Carle Clinic
- SIU School of Medicine
- OSF Hopedale Medical Complex
- OSF *
- Decatur Memorial Hospital
- Christian Homes
- Memorial Medical Center
- Carlinville Hospital
- Consociate Dansig
- St. John’s Hospital
- DMH Central Billing Office
- DMH Corporate Health
- Clinton Internal Medicine
- OSF Family Practice
- Orthopedic Centers of Illinois
- OSF Pediatrics & Internal Medicine
- Imboden Creek
- Menard County Health Dept.
- Passavant Area Hospital
- Taylorville Memorial Hospital
- Conant Chiropractic
- Family Foot & Ankle Clinic
- The Hope Institute
- 85
- Springfield Priority Care
- Capitol Healthcare
- America Ambulance
- SIU Center for Family Medicine
- Illinois Heart Specialists at DMH
- Dr. Mark Wood
- Professional Business Services
- International Eye Care Center
- Office of Inspector General – Health Care & Family Services
- Springfield Clinic
- Capitol Chiropractic
- Alterna
- Cass County Health Dept.
- Heritage Healthcare
- Orthopedic Center of Central Illinois
- Sangamon Associated Anesthesiologists
- Lincoln Prairie Behavioral Health Care
- Illinois Department of Public Health – APORS
* has more than 1 site