John Ganser, DO
About This Business
With 30 years of experience since graduating from Midwestern University, Chicago College of Osteopathic Medicine in 1996, John Ganser, DO, is a family medicine physician in Appleton, Wisconsin, above the 24-year average among the 48 Appleton physicians in our directory. He holds an active Wisconsin license and is registered with the national provider registry since 2006. His Medicare profile lists removal of skin lesions among his most frequent procedures. He is affiliated with Thedacare Regional Medical Center - Appleton Inc and Thedacare Regional Med Ctr - Neenah. He accepts Medicare; telehealth is not currently listed among his services. He is one of nine family medicine physicians among the 48 Appleton doctors in our directory. Patients rate him 5.0 across 4 reviews.
Verified Provider Info
- Specialty (per registry)
- Family Medicine
- NPI Number
- 1922035658
- Medical school graduate
- 1996 (30+ years of practice)
- Medical school
- MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
- State license
- 38921 (WI)
- Hospital affiliations
- Thedacare Regional Medical Center - Appleton Inc · Thedacare Regional Med Ctr - Neenah
- Common services (Medicare data)
- Removal of skin lesions
Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18
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Information last updated: September 7, 2026
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