About
Dr. Mark Niedfeldt has spent more than 25 years serving patients in the Milwaukee area. D. from the Medical College of Wisconsin. His peers and faculty nominated him as Chief Resident during his Family Medicine residency at MCW's program at St. Mary's Hospital. He went on to complete a fellowship in Primary Care Sports Medicine at MCW, where he also served as Associate Director of that fellowship program.
Dr. Niedfeldt holds an appointment as Associate Clinical Professor at MCW and continues to teach medical students, residents, and sports medicine fellows. He has published original articles in multiple medical journals and lectured at medical meetings regionally, nationally, and internationally. As team physician, he serves the Milwaukee Brewers, the US National Snowboarding and Freeskiing Teams, Wisconsin Lutheran College, and Concordia University. His past team affiliations include the Milwaukee Bucks, Milwaukee Wave, Milwaukee Rampage, and Milwaukee Ballet. He holds staff appointments at Froedtert Memorial Lutheran Hospital, Columbia St. Mary's-Milwaukee and Ozaukee, and the Orthopaedic Hospital of Wisconsin. Outside the clinic, he enjoys biking, running, catching his daughter's activities, and track days at Road America.
Education & Training
Undergraduate
University of Wisconsin-Whitewater, magna cum laude
Medical School
Medical College of Wisconsin
Residency
Family Medicine, Medical College of Wisconsin / St. Mary's Hospital (Chief Resident)
Fellowship
Primary Care Sports Medicine, Medical College of Wisconsin
Additional Training
Associate Director, Primary Care Sports Medicine Fellowship Program, MCW; Associate Clinical Professor, MCW
Conditions Treated
Who is Dr. Niedfeldt right for?
Dr. Niedfeldt is an excellent fit for patients managing chronic musculoskeletal injuries without wanting surgery. He treats a wide range of conditions including knee arthritis, Achilles tendinitis, hamstring strains, and low back pain. Athletes and active adults seeking prolotherapy or PRP therapy will find his expertise particularly valuable. Sports medicine patients do not need to be practice members to schedule a consultation with him. He also handles the full spectrum of family medicine, including hypertension and preventive care.
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Frequently Asked Questions
Dr. Niedfeldt treats musculoskeletal injuries and a broad range of family medicine concerns. On the sports medicine side, his focus includes shoulder pain, knee arthritis, Achilles tendinitis, plantar fasciitis, hamstring strains, hip arthritis, sports hernias, and SI joint pain, among others. He also manages chronic conditions such as hypertension and performs annual preventive exams.
No. Dr. Niedfeldt sees sports medicine and musculoskeletal patients regardless of membership status. Patients from across the country schedule consultations with him for diagnosis and treatment of musculoskeletal injuries. Membership is only required for ongoing direct primary care services.
Dr. Niedfeldt specializes in non-operative treatment for musculoskeletal injuries. He offers prolotherapy, which involves injecting a dextrose solution to stimulate tissue repair, and platelet-rich plasma (PRP) therapy, which concentrates healing elements from the patient's own blood and injects them into damaged tissue. These approaches work well for chronic tendon and ligament problems, arthritis, and sports injuries.
Dr. Niedfeldt trained in Family Medicine and completed a fellowship in Primary Care Sports Medicine at the Medical College of Wisconsin. He has held faculty and clinical positions at MCW for over 25 years and currently serves as Associate Clinical Professor there.
Dr. Niedfeldt currently serves as team physician for the Milwaukee Brewers, the US National Snowboarding and Freeskiing Teams, Wisconsin Lutheran College, and Concordia University. His past team affiliations include the Milwaukee Bucks, Milwaukee Wave, Milwaukee Wave United, Milwaukee Rampage, and the Milwaukee Ballet.
Yes. Dr. Niedfeldt holds an Associate Clinical Professor appointment at MCW and actively teaches medical students, residents, and sports medicine fellows. He has published original research in multiple journals and lectured at regional, national, and international medical conferences.
Dr. Niedfeldt earned recognition on the Best Doctors in America list from 2007 through 2023. He also received the MCW Outstanding Medical Student Teacher award in 2008-09, the Preceptor of the Year award in 2007-08, and the Outstanding Recent Alumni Award from UW-Whitewater in 2002.
Doctor profile last updated March 24, 2026