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

John W Hamilton, MD

Individual provider Gastroenterology Physician · NPI 1659310969

John W Hamilton, MD is a Gastroenterology Physician in Madison, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
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

700 S Park St Dean St Mary's Outpatient Ctr
Madison, WI 53715-1830
Phone: (608) 260-2900
Fax: (608) 260-2977
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 23969-020 (WI)

Record details

NPI number1659310969
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESNovember 18, 2020
Certification dateNovember 18, 2020
Mailing address700 S Park St, Dean St. Mary'S Outpatient Center, Madison, WI 53715-1830

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