William Martin Breer, LCSW
Individual provider Active NPI Marriage & Family Therapist · Grand Terrace, CA
NPI 1982820650 · NPPES record last updated Sep 11, 2025
Key facts
- NPI
- 1982820650
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Marriage & Family Therapist 106H00000X
- License
- M14503 (CA)
- Practice address
- 22365 Barton Rd
Suite 314
Grand Terrace, CA 92313-5015 - Phone
- (909) 825-2151
- NPI assigned
- Apr 18, 2007
- Sex
- Male
- Sole proprietor
- Yes
Medicare participation
- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
- Medicare enrollment (NPD)
- No
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| LCS 7330 | CA | MD | Clinical Social Worker |
| M14503 | CA | MD | Marriage & Family Therapist |
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | LCS 7330 | CA | |
| Marriage & Family Therapist | 106H00000X | M14503 | CA | Yes |
Addresses
Primary practice location
22365 Barton Rd
Suite 314
Grand Terrace, CA 92313-5015
Mailing address
23630 Hillview Rd
San Bernardino, CA 92404-1010
Phone (909) 886-8239
Other providers in Grand Terrace, CA
- Christopher A Berrun
- Bissani Chiropractic and Integrated Health PC
- Zakari Larbi Bissani
- Kelsy Bonnet
- Breaking Cycles Counseling
- Broadscope LLC
- Traci Brown-Bailey
- Latoya Mae Brown
- Jamaal Burrell
- Kaylee Skye Rubio Cajimat
All providers in Grand Terrace, CA · Marriage & Family Therapist in California
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Sep 11, 2025. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.