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

Gurdon H Hamilton, MD

Individual provider Internal Medicine Physician · NPI 1720188931

Gurdon H Hamilton, MD is an Internal Medicine Physician in Marshfield, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
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

1000 N Oak Ave H4W A & Dr
Marshfield, WI 54449
Phone: (715) 387-7090
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 19781 (WI)
Addiction Medicine (Internal Medicine) Physician Taxonomy 207RA0401X · Licence 19781 (WI)

Record details

NPI number1720188931
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 25, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address1000 N Oak Ave, H4w A & Dr, Marshfield, WI 54449-5777

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