Paul Duncan, D.O.
NPI 1023168903 · Family Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Duncan, D.O. is a Family Medicine Physician provider in San Antonio, TX (NPI 1023168903).
Provider details
- NPI number
- 1023168903
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- J6410 (TX)
Specialties & taxonomies
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
- 2007-01-11
- Last updated
- 2014-07-18
Frequently asked questions
- What is Paul Duncan's NPI number?
- Paul Duncan's National Provider Identifier (NPI) is 1023168903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Duncan's specialty?
- Paul Duncan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Duncan located?
- Paul Duncan's practice location on file with NPPES is 13722 Embassy Row, San Antonio, TX 78216-2000.
- What is Paul Duncan's phone number?
- The practice phone number listed in the NPPES registry for Paul Duncan is (210) 403-4210.
- Does Paul Duncan accept Medicare?
- Paul Duncan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Duncan's NPI active?
- Yes — Paul Duncan's NPI (1023168903) is active in the NPPES registry as of the last update on 2014-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.