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

Dr. Thomas J Ansfield, MD

Individual provider Internal Medicine Physician · NPI 1700848538

Dr. Thomas J Ansfield, MD is an Internal Medicine 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

4410 Regent St
Madison, WI 53705-4901
Phone: (608) 233-9746
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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 16119-020 (WI)

Record details

NPI number1700848538
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 5, 2006
Last updated in NPPESApril 29, 2008
Mailing address4410 Regent St, Madison, WI 53705-4901

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