Thierry Jahan, MD
NPI 1427007657 · Medical Oncology Physician · San Francisco, CA
Thierry Jahan, MD is a Medical Oncology Physician provider in San Francisco, CA (NPI 1427007657).
Provider details
- NPI number
- 1427007657
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G65337 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2006-05-06
- Last updated
- 2012-08-30
Frequently asked questions
- What is Thierry Jahan's NPI number?
- Thierry Jahan's National Provider Identifier (NPI) is 1427007657, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thierry Jahan's specialty?
- Thierry Jahan is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Thierry Jahan located?
- Thierry Jahan's practice location on file with NPPES is 1600 Divisadero St, San Francisco, CA 94115-3010.
- What is Thierry Jahan's phone number?
- The practice phone number listed in the NPPES registry for Thierry Jahan is (415) 353-9888.
- Is Thierry Jahan's NPI active?
- Yes — Thierry Jahan's NPI (1427007657) is active in the NPPES registry as of the last update on 2012-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.