DR. WILLIAM EDGAR DUNCAN MD, PHD
NPI 1396897302
Internal Medicine - Endocrinology, Diabetes & Metabolism in Washington, DC

Active since January 18, 2007
6900 GEORGIA AVE NW, WRAMC, BUILDING 2, DEPARTMENT OF MEDICINE, WASHINGTON, DC 20307(202) 278-6770 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William Edgar Duncan Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM EDGAR DUNCAN MD, PHD (NPI 1396897302) is an individual endocrinology, diabetes & metabolism provider in Washington, District Of Columbia, licensed in Pennsylvania (MD-021716-E) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1396897302
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. WILLIAM EDGAR DUNCANCredential: MD, PHD
Location Address6900 GEORGIA AVE NW, WRAMC, BUILDING 2, DEPARTMENT OF MEDICINEWashington, DC 20307-0003
Mailing Address6900 Georgia Ave. Nw, Wramc, Bldg 2, Room 2j38Washington, CA 20307-5001 · (301) 279-7444
Sole ProprietorNo
Enumeration DateJanuary 18, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1396897302 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in PA · MD-021716-E
Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

6900 GEORGIA AVE NW, Washington, DC 20307

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist (Clinical)
6900 GEORGIA AVE NW
WASHINGTON, DC 20307
Occupational Therapist
6900 GEORGIA AVE NW
WASHINGTON, DC 20307
Pediatrics (Pediatric Infectious Diseases)
6900 GEORGIA AVE NW
WASHINGTON, DC 20307
Dietitian, Registered
6900 GEORGIA AVE NW, NUTRITION CARE DIRECTORATE
WASHINGTON, DC 20307
Internal Medicine (Infectious Disease)
6900 GEORGIA AVE NW, BLD 2, WARD 63
WASHINGTON, DC 20307
Military Hospital
6900 GEORGIA AVE NW
WASHINGTON, DC 20307
Pharmacist
6900 GEORGIA AVE NW, #2P02
WASHINGTON, DC 20307
Social Worker (Clinical)
6900 GEORGIA AVE NW
WASHINGTON, DC 20307

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Duncan's NPI number?

The NPI number for William Duncan is 1396897302. It was assigned to this individual provider in the NPPES registry on January 18, 2007.

Where is William Duncan located?

William Duncan practices at 6900 Georgia Ave NW Wramc, Building 2, Department Of Medicine, Washington, DC 20307. The listed phone number is (202) 278-6770.

What is William Duncan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for William Duncan was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.