Duncan Gillies, M.D.
NPI 1659395879 · Preventive Medicine/Occupational Environmental Medicine Physician · Fort Sam Houston, TX
Duncan Gillies, M.D. is a Preventive Medicine/Occupational Environmental Medicine Physician provider in Fort Sam Houston, TX (NPI 1659395879).
Provider details
- NPI number
- 1659395879
- Entity type
- Individual
- Primary specialty
- Preventive Medicine/Occupational Environmental Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01057448A (IN)
Specialties & taxonomies
- Preventive Medicine/Occupational Environmental Medicine PhysicianPrimary2083P0500XLicense 01057448A (IN)
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2020-02-06
- Certified
- 2020-02-06
Frequently asked questions
- What is Duncan Gillies's NPI number?
- Duncan Gillies's National Provider Identifier (NPI) is 1659395879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duncan Gillies's specialty?
- Duncan Gillies is listed in the NPPES registry with a primary specialty of Preventive Medicine/Occupational Environmental Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Duncan Gillies located?
- Duncan Gillies's practice location on file with NPPES is 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234-4504.
- What is Duncan Gillies's phone number?
- The practice phone number listed in the NPPES registry for Duncan Gillies is (210) 221-7952.
- Is Duncan Gillies's NPI active?
- Yes — Duncan Gillies's NPI (1659395879) is active in the NPPES registry as of the last update on 2020-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.