Silas Duncan, M.D.
NPI 1508868001 · Vascular Surgery Physician · Tyler, TX
Silas Duncan, M.D. is a Vascular Surgery Physician provider in Tyler, TX (NPI 1508868001).
Provider details
- NPI number
- 1508868001
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D4981 (TX)
Specialties & taxonomies
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
20 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
- 2005-08-15
- Last updated
- 2013-01-24
Frequently asked questions
- What is Silas Duncan's NPI number?
- Silas Duncan's National Provider Identifier (NPI) is 1508868001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Silas Duncan's specialty?
- Silas Duncan is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Silas Duncan located?
- Silas Duncan's practice location on file with NPPES is 700 Olympic Plaza Cir, Tyler, TX 75701-1951.
- What is Silas Duncan's phone number?
- The practice phone number listed in the NPPES registry for Silas Duncan is (903) 595-2636.
- Is Silas Duncan's NPI active?
- Yes — Silas Duncan's NPI (1508868001) is active in the NPPES registry as of the last update on 2013-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.