Stephen Frangos, MD
NPI 1962986596 · Preventive Medicine/Occupational Environmental Medicine Physician · San Ramon, CA
Stephen Frangos, MD is a Preventive Medicine/Occupational Environmental Medicine Physician provider in San Ramon, CA (NPI 1962986596).
Provider details
- NPI number
- 1962986596
- Entity type
- Individual
- Primary specialty
- Preventive Medicine/Occupational Environmental Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G55344 (CA)
Specialties & taxonomies
- Preventive Medicine/Occupational Environmental Medicine PhysicianPrimary2083P0500XLicense G55344 (CA)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2018-09-19
- Last updated
- 2018-09-19
Frequently asked questions
- What is Stephen Frangos's NPI number?
- Stephen Frangos's National Provider Identifier (NPI) is 1962986596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Frangos's specialty?
- Stephen Frangos is listed in the NPPES registry with a primary specialty of Preventive Medicine/Occupational Environmental Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Frangos located?
- Stephen Frangos's practice location on file with NPPES is 6001 Bollinger Canyon Rd, San Ramon, CA 94583-2324.
- What is Stephen Frangos's phone number?
- The practice phone number listed in the NPPES registry for Stephen Frangos is (925) 842-2995.
- Is Stephen Frangos's NPI active?
- Yes — Stephen Frangos's NPI (1962986596) is active in the NPPES registry as of the last update on 2018-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.