George Stock, M.D.
NPI 1356421291 · Rheumatology Physician · Fairfield, CA
George Stock, M.D. is a Rheumatology Physician provider in Fairfield, CA (NPI 1356421291).
Provider details
- NPI number
- 1356421291
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G34752 (CA)
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
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
- 2006-10-16
- Last updated
- 2015-07-22
Frequently asked questions
- What is George Stock's NPI number?
- George Stock's National Provider Identifier (NPI) is 1356421291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Stock's specialty?
- George Stock is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is George Stock located?
- George Stock's practice location on file with NPPES is 2720 Low Ct, Fairfield, CA 94534-9771.
- What is George Stock's phone number?
- The practice phone number listed in the NPPES registry for George Stock is (707) 427-4900.
- Is George Stock's NPI active?
- Yes — George Stock's NPI (1356421291) is active in the NPPES registry as of the last update on 2015-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.