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

Dr. Duncan Alexander Gillies II, MD

Individual provider Family Medicine Physician · NPI 1659395879

Dr. Duncan Alexander Gillies II, MD is a Family Medicine Physician in Fort Sam Houston, Texas. Practices as a sole proprietor. Licensed in Indiana.

Licensed in
IN
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.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3551 Roger Brooke Dr
Fort Sam Houston, TX 78234-4504
Phone: (210) 221-7952
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Preventive Medicine/Occupational Environmental Medicine Physician (primary) Taxonomy 2083P0500X · Licence 01057448A (IN)
Family Medicine Physician Taxonomy 207Q00000X · Licence 01057448A (IN)
Public Health & General Preventive Medicine Physician Taxonomy 2083P0901X · Licence 01057448A (IN)

Record details

NPI number1659395879
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 27, 2006
Last updated in NPPESFebruary 6, 2020
Certification dateFebruary 6, 2020

Other providers in Fort Sam Houston