Michael Frumkin, MD
NPI 1154382158 · Family Medicine Physician · San Rafael, CA
Michael Frumkin, MD is a Family Medicine Physician provider in San Rafael, CA (NPI 1154382158).
Provider details
- NPI number
- 1154382158
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 124060 (NY)
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
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
- 2006-03-29
- Last updated
- 2015-01-15
Frequently asked questions
- What is Michael Frumkin's NPI number?
- Michael Frumkin's National Provider Identifier (NPI) is 1154382158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Frumkin's specialty?
- Michael Frumkin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Frumkin located?
- Michael Frumkin's practice location on file with NPPES is 30 Newport Way, San Rafael, CA 94901-4411.
- What is Michael Frumkin's phone number?
- The practice phone number listed in the NPPES registry for Michael Frumkin is (315) 415-6865.
- Is Michael Frumkin's NPI active?
- Yes — Michael Frumkin's NPI (1154382158) is active in the NPPES registry as of the last update on 2015-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.