Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. William Edgar Duncan, MD, PHD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1396897302

Dr. William Edgar Duncan, MD, PHD is an Endocrinology, Diabetes & Metabolism Physician in Washington, District of Columbia. Licensed in Pennsylvania. Registered with an NPI since 2007.

Licensed in
PA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

6900 Georgia Ave NW Wramc Bldg 2 Dept OF Medicine
Washington, DC 20307-0003
Phone: (202) 278-6770

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Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence MD-021716-E (PA)

Record details

NPI number1396897302
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJanuary 18, 2007
Last updated in NPPESJuly 8, 2007

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