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

Individual provider Vascular Surgery Physician · NPI 1003903543

Dr. John Michael Duncan Jr., MD is a Vascular Surgery Physician in Houston, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2006
Specialties on file
3
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

1101 Bates Ave Ste P115
Houston, TX 77030-2607
Phone: (832) 355-4900
Fax: (832) 355-3770
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Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence D8200 (TX)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence D8200 (TX)
Surgery Physician Taxonomy 208600000X · Licence D8200 (TX)

Record details

NPI number1003903543
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 6, 2006
Last updated in NPPESDecember 9, 2016

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