Eric Williamson, MD
NPI 1285374108 · Internal Medicine Physician · Travis Afb, CA
Eric Williamson, MD is a Internal Medicine Physician provider in Travis Afb, CA (NPI 1285374108).
Provider details
- NPI number
- 1285374108
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 328752 (NY)
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
4 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
- 2022-03-30
- Last updated
- 2025-07-25
- Certified
- 2025-07-22
Frequently asked questions
- What is Eric Williamson's NPI number?
- Eric Williamson's National Provider Identifier (NPI) is 1285374108, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Williamson's specialty?
- Eric Williamson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Williamson located?
- Eric Williamson's practice location on file with NPPES is 60 Mdg/Sggx, Travis Afb, CA 94535-1809.
- What is Eric Williamson's phone number?
- The practice phone number listed in the NPPES registry for Eric Williamson is (707) 423-7342.
- Is Eric Williamson's NPI active?
- Yes — Eric Williamson's NPI (1285374108) is active in the NPPES registry as of the last update on 2025-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.