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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

MR. WILLIAM MARTIN BREER, LCSW

Active Sole Proprietor

MR. WILLIAM MARTIN BREER, LCSW is a Marriage & Family Therapist healthcare provider located in GRAND TERRACE, California. NPI 1982820650 is currently active in the NPPES registry. Verify at CMS.

Marriage & Family Therapist · GRAND TERRACE, CA

Registration Details

NPI Number
1982820650
Provider Type
Individual
Gender
Male
NPI Issued
Apr 18, 2007 (19.29738789432 yrs)
Last Updated
Sep 11, 2025
Licenses
LCS 7330 (CA)
M14503 (CA)
Sole Proprietor
Yes

Practice Information

Address
22365 BARTON RD
SUITE 314
GRAND TERRACE, CA, 923135015
Browse CA providers · Browse ZIP 92313
Phone
9098252151
Primary Specialty
Marriage & Family Therapist
106H00000X
Additional Specialty
Marriage & Family Therapist

Other Marriage & Family Therapist Providers in GRAND TERRACE, CA

Name Credential NPI
BRIAN JOHN DONOVAN LMFT 1073795092
AMBER JOY SMITH LMFT 1972924553
DONNA CANO 1295111441
SOKDINA KEO 1447926811
MATTIE CELINE DURAN 1356092779
GABRIEL CASTELLANOS 1306671680
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.