Guy Hernandez
NPI 1629477435 · Marriage & Family Therapist · Walnut Creek, CA
Guy Hernandez is a Marriage & Family Therapist provider in Walnut Creek, CA (NPI 1629477435).
Provider details
- NPI number
- 1629477435
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 102205 (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
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
- 2014-08-18
- Last updated
- 2025-11-17
- Certified
- 2025-11-17
Frequently asked questions
- What is Guy Hernandez's NPI number?
- Guy Hernandez's National Provider Identifier (NPI) is 1629477435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Hernandez's specialty?
- Guy Hernandez is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Guy Hernandez located?
- Guy Hernandez's practice location on file with NPPES is 2910 Camino Diablo Ste 210, Walnut Creek, CA 94597-3953.
- What is Guy Hernandez's phone number?
- The practice phone number listed in the NPPES registry for Guy Hernandez is (925) 378-9456.
- Is Guy Hernandez's NPI active?
- Yes — Guy Hernandez's NPI (1629477435) is active in the NPPES registry as of the last update on 2025-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.