John Fernandez
NPI 1639561871 · Marriage & Family Therapist · San Jose, CA
John Fernandez is a Marriage & Family Therapist provider in San Jose, CA (NPI 1639561871).
Provider details
- NPI number
- 1639561871
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 90837 (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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1401 Parkmoor Ave Ste 230San Jose, CA 95126-3407Phone: (510) 914-7992Fax: (408) 971-9820
Registry dates
- Enumerated
- 2015-02-25
- Last updated
- 2019-12-04
Frequently asked questions
- What is John Fernandez's NPI number?
- John Fernandez's National Provider Identifier (NPI) is 1639561871, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Fernandez's specialty?
- John Fernandez is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is John Fernandez located?
- John Fernandez's practice location on file with NPPES is 232 E Gish Rd, San Jose, CA 95112-4706.
- What is John Fernandez's phone number?
- The practice phone number listed in the NPPES registry for John Fernandez is (408) 355-0475.
- Is John Fernandez's NPI active?
- Yes — John Fernandez's NPI (1639561871) is active in the NPPES registry as of the last update on 2019-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.