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

Harry Earl Duncan Jr., MD

Individual provider Gastroenterology Physician · NPI 1780692277

Harry Earl Duncan Jr., MD is a Gastroenterology Physician in Charleston, West Virginia. Licensed in West Virginia. Registered with an NPI since 2006.

Licensed in
WV
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

3100 Maccorkle Ave Ste 509
Charleston, WV 25304-1226
Phone: (304) 342-0821
Fax: (304) 345-6679
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 10533 (WV)

Record details

NPI number1780692277
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 3, 2006
Last updated in NPPESJuly 8, 2007

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