Brett Gaynor, PSY.D.
NPI 1740539428 · Clinical Psychologist · San Francisco, CA
Brett Gaynor, PSY.D. is a Clinical Psychologist provider in San Francisco, CA (NPI 1740539428).
Provider details
- NPI number
- 1740539428
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 29574 (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
13 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)
- 1550 Treat AvenueSan Francisco, CA 94110-5234Phone: (415) 641-8000
Registry dates
- Enumerated
- 2012-09-10
- Last updated
- 2018-05-10
Frequently asked questions
- What is Brett Gaynor's NPI number?
- Brett Gaynor's National Provider Identifier (NPI) is 1740539428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brett Gaynor's specialty?
- Brett Gaynor is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Brett Gaynor located?
- Brett Gaynor's practice location on file with NPPES is 3354 Sacramento St Ste E, San Francisco, CA 94118-1948.
- What is Brett Gaynor's phone number?
- The practice phone number listed in the NPPES registry for Brett Gaynor is (415) 662-8190.
- Is Brett Gaynor's NPI active?
- Yes — Brett Gaynor's NPI (1740539428) is active in the NPPES registry as of the last update on 2018-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.