George F Williams MD a Medical Corporation
NPI 1871533299 · Surgery Physician · Pasadena, CA
George F Williams MD a Medical Corporation is a Surgery Physician organization in Pasadena, CA (NPI 1871533299).
Provider details
- NPI number
- 1871533299
- Entity type
- Organization
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- George Williams, President(626) 577-8620
- License
- G21676 (CA)
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
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
- 2006-06-07
- Last updated
- 2020-08-22
Frequently asked questions
- What is George F Williams MD a Medical Corporation's NPI number?
- George F Williams MD a Medical Corporation's National Provider Identifier (NPI) is 1871533299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is George F Williams MD a Medical Corporation?
- George F Williams MD a Medical Corporation is classified in the NPPES registry as Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is George F Williams MD a Medical Corporation located?
- George F Williams MD a Medical Corporation's practice location on file with NPPES is 39 Congress St, Pasadena, CA 91105-3024.
- What is George F Williams MD a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for George F Williams MD a Medical Corporation is (626) 577-8620.
- Who is the authorized official for George F Williams MD a Medical Corporation?
- The authorized official listed on George F Williams MD a Medical Corporation's NPPES record is George Williams, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is George F Williams MD a Medical Corporation's NPI active?
- Yes — George F Williams MD a Medical Corporation's NPI (1871533299) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.