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

John F Merchlewitz, MD

Individual provider Family Medicine Physician · NPI 1609886100

John F Merchlewitz, MD is a Family Medicine Physician in Onalaska, Wisconsin. Licensed in Minnesota and Wisconsin. Registered with an NPI since 2006.

Licensed in
MN, WI
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3111 Gundersen Dr
Onalaska, WI 54650-8447
Phone: (608) 775-8630
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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 34858 (WI)
Family Medicine Physician Taxonomy 207Q00000X · Licence 38261 (MN)

Record details

NPI number1609886100
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 8, 2006
Last updated in NPPESNovember 6, 2015

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