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

Dr. William Jerold Hisgen, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1952554966

Dr. William Jerold Hisgen, MD is a Geriatric Medicine (Internal Medicine) Physician in Madison, Wisconsin. Practices as a sole proprietor. Licensed in Wisconsin.

Licensed in
WI
In the registry since
2008
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

1215 Garfield St 1215 Garfield St
Madison, WI 53711-2215
Phone: (608) 256-3489
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence 16404 (WI)

Record details

NPI number1952554966
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 4, 2008
Last updated in NPPESNovember 4, 2008
Mailing address1215 Garfield St, 1215 Garfield St., Madison, WI 53711-2215

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