James Ryan, M.D.
NPI 1245310275 · Gastroenterology Physician · San Francisco, CA
James Ryan, M.D. is a Gastroenterology Physician provider in San Francisco, CA (NPI 1245310275).
Provider details
- NPI number
- 1245310275
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G05755 (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
- 2006-10-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Ryan's NPI number?
- James Ryan's National Provider Identifier (NPI) is 1245310275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Ryan's specialty?
- James Ryan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is James Ryan located?
- James Ryan's practice location on file with NPPES is 4150 Clement St # 111-R, San Francisco, CA 94121-1545.
- What is James Ryan's phone number?
- The practice phone number listed in the NPPES registry for James Ryan is (415) 750-2105.
- Is James Ryan's NPI active?
- Yes — James Ryan's NPI (1245310275) 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.