Legacy Part B Carrier
Wisconsin Physician Services
1717 W. Broadway
P.O. Box 1787
Madison, WI 53701
(877) 908-8475 (877) 567-7176 

Mailing List Sign-up

Contractor Medical Director
Ken Bussan, M.D.
Wisconsin Physician Services
1717 W. Broadway
P.O. Box 1787
Madison, WI 53701
(877) 908-8475 (877) 567-7176

Other States Covered Under MAC Jurisdiction 6:


State Oncology/Hematology Society
Wisconsin Association of Medical Oncologists

Oncology CAC Representative(s)

Oncology CAC Representative
William Matthaeus, MD
Oncology of Wisconsin
1055 N. Mayfair Rd.
Milwaukee, WI 53226-2425
Tel:  (414) 476-8450
Fax: (414) 476-8440

Oncology CAC Alternate
Jacob Frick, MD
Oncology of Wisconsin
2801 West Kinnickinnic River Pikeway #930
Milwaukee, WI 53215-3692
Tel:  (414) 384-5111
Fax: (414) 643-5110

Hematology CAC Representative(s)

Hematology CAC Representative
Douglas J. Reding, MD
Marshfield Clinic
1000 North Oak Avenue
Marshfield, WI 54449
Tel:  (715) 387-5134
Fax: (715) 387-5240

State Medical Society
Wisconsin Medical Society

State Prompt Pay Law: If clean claims are not paid within 30 days they are subject to a penalty interest rate of 12% per year. 
http://www.legis.state.wi.us/rsb/statutes.html(Click 628, then 628.46)

State Board of Insurance

Office of the Commissioner of Insurance
125 South Webster Street
Madison, Wisconsin 53703-3474
(608) 266-3585, Madison;
(800) 236-8517, statewide;
711 (TDD) (ask for 608-266-3586)
Hours: Monday - Friday 7:45 a.m. - 4:30 p.m. (except for legal holidays)

Agent Licensing
Central Files (Records)
Complaints, Information, Policy Forms and Rates
Financial Regulation
General Questions
Managed Care/HMO Questions
Pamphlets/Brochures/Fact Sheets
Policy Form/Rate Submissions
State Life Insurance Fund

State Board of Pharmacy

Wisconsin Board of Pharmacy

To protect the citizens of Wisconsin by ensuring the safe and competent practice of licensed professionals.
PO Box 8935
Madison, WI 53708-8935
Phone: 608/266-2112 Fax: 608/267-3816



(202) 756-2258

1101 Pennsylvania Avenue, N.W.
Suite 700
Washington, DC 20004