State guide · Wisconsin
Starting a Medical Practice in Wisconsin
What physicians need to know about Wisconsin's regulatory environment, entity requirements, and practice-specific rules.
Entity required
Service Corporation or Professional LLC
LLC permitted
No
CPOM enforcement
Moderate
Top income tax
7.65%
Min. franchise tax
Verify — WI corporate franchise tax minimum applies
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
Wisconsin physicians may form a Service Corporation under Wis. Stat. Chapter 180 (Subchapter XIX) or a Professional LLC under Chapter 183. All shareholders or members must be licensed Wisconsin physicians.
Filing is with the Wisconsin Department of Financial Institutions.
- •Form a Service Corporation or Professional LLC
- •All shareholders/members must be licensed Wisconsin physicians
- •File Articles of Incorporation or Articles of Organization with DFI
- •File Annual Report with DFI
Corporate Practice of Medicine
Wisconsin recognizes a moderate Corporate Practice of Medicine doctrine. Fee-splitting is prohibited.
Tax Considerations
Wisconsin has a graduated personal income tax with a top bracket of 7.65%. PTE election available.
- •Top personal income tax: 7.65%
- •WI corporate franchise tax minimum: Verify
- •5% statewide sales tax (plus local)
- •Pass-Through Entity Tax election available
Wisconsin Medical Examining Board
Wisconsin does not require entity registration with the Medical Examining Board for general practices.
- •No general entity registration required
- •All practicing physicians must hold an active Wisconsin medical license
Employment Law Considerations
Wisconsin is generally employer-friendly. At-will employment, no state-mandated paid sick leave, and non-competes generally enforceable.
- •At-will employment
- •No state-mandated paid sick leave
- •Non-competes enforceable if reasonable (Wis. Stat. §103.465)
- •WI minimum wage at federal $7.25/hour
Official resources
Bookmark these official agency portals for Wisconsin entity formation, tax registration, and medical board information.
Looking for Wisconsin licensing and credentialing information?
State medical license requirements, controlled-substance registration, and Medicaid enrollment specifics for Wisconsin.
View Wisconsin licensing guide →Get the complete practice startup guide
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