James Allison, MD
NPI 1265535777 · Gastroenterology Physician · San Francisco, CA
James Allison, MD is a Gastroenterology Physician provider in San Francisco, CA (NPI 1265535777).
Provider details
- NPI number
- 1265535777
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G18968 (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
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
- 2006-09-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Allison's NPI number?
- James Allison's National Provider Identifier (NPI) is 1265535777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Allison's specialty?
- James Allison is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is James Allison located?
- James Allison's practice location on file with NPPES is 1001 Potrero Avenue, San Francisco, CA 94110-3518.
- What is James Allison's phone number?
- The practice phone number listed in the NPPES registry for James Allison is (415) 206-8822.
- Is James Allison's NPI active?
- Yes — James Allison's NPI (1265535777) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.