Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Frederick C Gremmels, DO

Individual provider Family Medicine Physician · NPI 1720156896

Frederick C Gremmels, DO is a Family Medicine Physician in Watertown, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

127 Hospital Dr
Watertown, WI 53098-3303
Phone: (920) 261-8500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 20398 (WI)

Record details

NPI number1720156896
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 30, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1517 Country Club Ln, Watertown, WI 53098-4349

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