State guide · Oklahoma
Starting a Medical Practice in Oklahoma
What physicians need to know about Oklahoma's regulatory environment, entity requirements, and practice-specific rules.
Entity required
Professional Corporation or Professional LLC
LLC permitted
No
CPOM enforcement
Moderate
Top income tax
4.75%
Min. franchise tax
Verify — Oklahoma franchise tax repealed effective 2024
Med board registration
Not required
The information on this page is provided for general reference only and may not reflect recent regulatory or legislative changes. Entity formation requirements, tax rates, and CPOM rules vary by state and change frequently. Always verify requirements with your state's official agencies, a qualified healthcare attorney, or a CPA with medical practice experience before making business formation decisions. Nothing on this page constitutes legal or financial advice.
Entity Requirements
Oklahoma physicians may form a Professional Corporation under 18 O.S. §801 et seq. or a Professional LLC under 18 O.S. §2070 et seq. All shareholders or members must be licensed Oklahoma physicians.
Filing is with the Oklahoma Secretary of State.
- •Form a Professional Corporation or Professional LLC
- •All shareholders/members must be licensed Oklahoma physicians
- •File Certificate of Incorporation or Articles of Organization with the Secretary of State
- •File Annual Certificate with the Secretary of State
Corporate Practice of Medicine
Oklahoma recognizes a moderate Corporate Practice of Medicine doctrine. Fee-splitting is prohibited.
Tax Considerations
Oklahoma has a graduated personal income tax with a top bracket of 4.75%. The Oklahoma franchise tax was repealed effective tax year 2024.
- •Top personal income tax: 4.75%
- •Franchise tax repealed effective 2024
- •4.5% statewide sales tax
Oklahoma State Board of Medical Licensure and Supervision
Oklahoma does not require entity registration with the Board of Medical Licensure for general practices.
- •No general entity registration required
- •All practicing physicians must hold an active Oklahoma medical license (MD or DO via separate boards)
Employment Law Considerations
Oklahoma is generally employer-friendly. At-will employment, no state-mandated paid sick leave, and non-competes enforceable only in narrow circumstances under 15 O.S. §219A.
- •At-will employment
- •No state-mandated paid sick leave
- •Non-competes restricted under 15 O.S. §219A (most general non-competes void)
- •OK minimum wage at federal $7.25/hour
Official resources
Bookmark these official agency portals for Oklahoma entity formation, tax registration, and medical board information.
Looking for Oklahoma licensing and credentialing information?
State medical license requirements, controlled-substance registration, and Medicaid enrollment specifics for Oklahoma.
View Oklahoma licensing guide →Get the complete practice startup guide
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