First Med Marin Medical Clinic
NPI 1316145469 · Family Medicine Physician · Greenbrae, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
First Med Marin Medical Clinic is a Family Medicine Physician organization in Greenbrae, CA (NPI 1316145469).
Provider details
- NPI number
- 1316145469
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Barry Landfield, Pres(415) 461-3500
- License
- G19884 (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
18 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
- 2007-07-10
- Last updated
- 2017-05-26
Frequently asked questions
- What is First Med Marin Medical Clinic's NPI number?
- First Med Marin Medical Clinic's National Provider Identifier (NPI) is 1316145469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is First Med Marin Medical Clinic?
- First Med Marin Medical Clinic is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is First Med Marin Medical Clinic located?
- First Med Marin Medical Clinic's practice location on file with NPPES is 900 S Eliseo Dr Ste 202, Greenbrae, CA 94904-2153.
- What is First Med Marin Medical Clinic's phone number?
- The practice phone number listed in the NPPES registry for First Med Marin Medical Clinic is (415) 461-3500.
- Does First Med Marin Medical Clinic accept Medicare?
- First Med Marin Medical Clinic is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for First Med Marin Medical Clinic?
- The authorized official listed on First Med Marin Medical Clinic's NPPES record is Barry Landfield, Pres. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is First Med Marin Medical Clinic's NPI active?
- Yes — First Med Marin Medical Clinic's NPI (1316145469) is active in the NPPES registry as of the last update on 2017-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.