License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Joan Sumkin:

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Specialties & Research

Dr. Joan Sumkin, MD is board certified in Internal Medicine.

Education & Awards

Dr. Sumkin graduated from The Ohio State University , Columbus.


Dr. Sumkin has 1 hospital affiliations:

  • William S. Middleton Memorial Veterans Hospital 

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Additional Information
Dr. Joan Toby Sumkin MD is a female Internist, has 29 years of experience and practices in Internal Medicine.
Where does Dr. Joan T. Sumkin practice?
Dr. Joan Sumkin has 1 office location.
Dr. Joan Sumkin practices Internal Medicine near Madison, WI.
See Madison Internists.