IndividualActive
Brandon Fonseca, LCSW
NPI 1104475524 · Clinical Social Worker · Pomona, CA
Brandon Fonseca, LCSW is a Clinical Social Worker provider in Pomona, CA (NPI 1104475524).
Provider details
- NPI number
- 1104475524
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 130684 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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
3191 W Temple Ave Ste 150
Pomona, CA 91768-3243
Phone: (626) 206-3139
Street-level locationGet directions
Mailing address
3191 W Temple Ave Ste 150
Pomona, CA 91768-3243
Additional practice locations (2)
- 18003 Sky Park Cir Ste H2Irvine, CA 92614-6526Phone: (714) 409-5057
- 5201 Great America Pkwy Ste 320Santa Clara, CA 95054-1140Phone: (714) 409-5057
Registry dates
- Enumerated
- 2019-09-09
- Last updated
- 2026-04-21
- Certified
- 2026-04-21
Frequently asked questions
- What is Brandon Fonseca's NPI number?
- Brandon Fonseca's National Provider Identifier (NPI) is 1104475524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brandon Fonseca's specialty?
- Brandon Fonseca is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Brandon Fonseca located?
- Brandon Fonseca's practice location on file with NPPES is 3191 W Temple Ave Ste 150, Pomona, CA 91768-3243.
- What is Brandon Fonseca's phone number?
- The practice phone number listed in the NPPES registry for Brandon Fonseca is (626) 206-3139.
- Is Brandon Fonseca's NPI active?
- Yes — Brandon Fonseca's NPI (1104475524) is active in the NPPES registry as of the last update on 2026-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.