O
- Occupant Protection Use System (OPUS)
- Office of Clinical and Preventive Services (OCPS)
- Office of Direct Service and Contracting Tribes (ODSCT)
- Office of Environmental Health & Engineering (OEHE)
- Office of Finance and Accounting (OFA)
- Office of Human Resources (OHR)
- Office of Information Technology (OIT)
- Office of Quality
- Office of Tribal Self-Governance (OTSG)
- Office of Urban Indian Health Programs
- Oklahoma City Area
- Oklahoma City Area - Anadarko Indian Health Center
- Oklahoma City Area - Carnegie Indian Health Center
- Oklahoma City Area - Claremore Indian Hospital
- Oklahoma City Area - Clinton Indian Health Center
- Oklahoma City Area - El Reno Health Center
- Oklahoma City Area - Haskell Indian Health Center
- Oklahoma City Area - Lawton Indian Hospital
- Oklahoma City Area - Pawnee Indian Health Center
- Oklahoma City Area - Watonga Health Center
- Oklahoma City Area - Wewoka Indian Health Center
- Oklahoma City Area - White Cloud Health Station
- Oklahoma City - Office of Environmental Health & Engineering
- Online Food Handler Training
- Opioids, Pain and Opioid Use Disorder
- Optometry
- Oral Health, Dental Recruitment
