James P. Wishau, MD

James P. Wishau, MD


University of Wisconsin, Madison


Kettering Medical Center

Board Certification

American Board of Internal Medicine

James P. Wishau, MD: Internist

“I like to problem-solve and help patients work out their health issues. They are in the best position to tell me what’s wrong… I just confirm what they know about themselves. I try to offer personalized care, and be accessible and available even on short notice when a patient needs to get in to the clinic right away. Our staff is respectful of our patients’ time, and we try to get them answers as quickly as possible. The GI aspect of my practice has been very rewarding, given our high success rate in preventing colon cancer. Preventive medicine in general is my preference.”

Dr. James P. Wishau’s Interests:

Preventative Medicine



Surgery Solutions for GERD BARRX and TIF®


Preventing Colon Cancer

Internal Medicine

Dr. Wishau offers a variety of treatments and GI consultation services in addition to internal medicine care, including:

  • Esophagogastroduodenoscopy
  • PEG tube placement and management
  • Treatment of GI bleeding, diarrhea, abdominal pain, IBS
  • Balloon dilation of GI strictures, upper and lower
  • Esophageal manometry and pH analysis
  • Hepatic evaluation including liver biopsy
  • Provides evaluation of GERD as it may relate to chronic cough
  • Performing the HALO procedure for the treatment of Barrett's Esophagus

Dr. Wishau also has additional certification in the examination, evaluation and treatment of the stomach and colon, including analysis of swallowing difficulty, chronic heartburn, and non-cardiac chest pain. He also provides evaluation of GERD as it may relate to chronic cough and sore throat.

For Gastrointestinal Services appointments call:

The Fort HealthCare Specialty Clinic at (920) 568-5334

“I grew up on a farm in Racine County. I enjoy bicycling, golfing, hunting, skiing, antiques, sailing, fishing, gardening and old cars. Spending time with my family is also a priority.”

Lake Mills Clinic

We’re committed to the health of our communities, and we’re always here to listen, understand and respond to your healthcare concerns. The Lake Mills Family Practice clinic works to help the entire family achieve total health through prevention, education and, if needed, medical intervention. The Lake Mills Family Practice clinic is part of Fort HealthCare's Fort Medical Group network of clinics.

James P Wishau is currently accepting new patients



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611 Sherman Avenue East, Fort Atkinson, WI 53538 | (920) 568-5000