Marie Thomas, MD- Dean - WI

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Marie K. Thomas View my video

Marie K. Thomas, MD

Accepting new patients

  • DHS Provider


Year Joined SSM Health Medical Group:


  • Colon/Rectal Surgery
  • General Surgery

Areas of Interest

Colon, rectal and anal cancer, hemorrhoids, fistulas, rectal prolapse, chrohns and ulcerative colitis, diverticulitis, fissures

Board Certification

  • General Surgery

Medical Interests

  • Colorectal cancer
  • Inflammatory bowel disease
  • Laparoscopic surgery


  • English

Dean Health Plan Product Type

  • Administrative Services/ASO
  • Badgercare Plus/Medicaid
  • Commercial HMO/POS Insurance (Group Or Individual Coverage)
  • Dean Focus
  • Medicare Advantage
  • Medicare Gold
  • Medicare Select
  • PPO


College and University

University of Iowa, Iowa City, IA, BS
University of Nebraska Medical Center, Omaha, NE, MD


University of Wisconsin Hospital and Clinics, Madison, WI, General Surgery with research fellowship in Tumor Virology, 2008-2010, Department of Oncology, McArdle Laboratory for Cancer Res


University of Minnesota Division of Colon and Rectal Surgery, Colon and Rectal Surgery


In addition to being a network provider for all Dean Health Plan insurance products listed above, this provider may also be considered in-network with various health insurance products.
- If Commercial HMO/POS Insurance (Group or Individual Coverage) appears under Dean Health Plan Product Type, this indicates this provider is participating in the Dean Health Plan Marketplace ( HMO plans.
- If Dean Focus appears under Dean Health Plan Product Type, this indicates this provider is participating in the Dean Health Plan Marketplace ( EPO plans.
- Dean providers are also participating providers for Medicare Part B, Wisconsin Medicaid, and other government payers. We encourage you to contact your insurance carrier to determine your coverage.

Professional Activities

American Society of Colon and Rectal Surgeons, American College of Surgeons, Association of Women Surgeons

Personal Interests

Waterskiing, spending time with family, traveling

Office Information





Directory Resources

Glossary of Terms

Check Certification Status
with the American Board of Medical Specialties

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