John Marin, MFT
NPI 1326103300 · Marriage & Family Therapist · San Mateo, CA
John Marin, MFT is a Marriage & Family Therapist provider in San Mateo, CA (NPI 1326103300).
Provider details
- NPI number
- 1326103300
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- MFC40656 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2006-12-27
- Last updated
- 2007-07-09
Frequently asked questions
- What is John Marin's NPI number?
- John Marin's National Provider Identifier (NPI) is 1326103300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Marin's specialty?
- John Marin is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is John Marin located?
- John Marin's practice location on file with NPPES is 3080 La Selva St, San Mateo, CA 94403-2109.
- What is John Marin's phone number?
- The practice phone number listed in the NPPES registry for John Marin is (650) 573-2944.
- Is John Marin's NPI active?
- Yes — John Marin's NPI (1326103300) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.