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

Dr. Joan T Sumkin, MD

Individual provider Internal Medicine Physician · NPI 1467555623

Dr. Joan T Sumkin, MD is an Internal Medicine Physician in Madison, Wisconsin. Licensed in Colorado and Wisconsin. Registered with an NPI since 2006.

Licensed in
CO, 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

2500 Overlook Ter
Madison, WI 53705-2254
Phone: (608) 256-1901
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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 DR.0058184 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 33034 (WI)

Record details

NPI number1467555623
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 6, 2006
Last updated in NPPESDecember 18, 2017

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