MR. WILLIAM MARTIN BREER LCSW
NPI 1982820650
Marriage & Family Therapist in Grand Terrace, CA

Active since April 18, 2007
22365 BARTON RD, SUITE 314, GRAND TERRACE, CA 92313(909) 825-2151 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. William Martin Breer Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM MARTIN BREER LCSW (NPI 1982820650) is an individual marriage & family therapist in Grand Terrace, California, licensed in California (M14503) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1982820650
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMR. WILLIAM MARTIN BREERCredential: LCSW
Location Address22365 BARTON RD, SUITE 314Grand Terrace, CA 92313-5015
Mailing Address23630 Hillview RdSan Bernardino, CA 92404-1010 · (909) 886-8239 · Fax (909) 886-7334
Sole ProprietorYes
Enumeration DateApril 18, 2007
Last NPPES UpdateSeptember 11, 2025
NPI 1982820650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License Licensed in CA · M14503
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License LCS 7330 (CA)

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Rehabilitation Practitioner
22365 BARTON RD
GRAND TERRACE, CA 92313
Clinical Medical Laboratory
22365 BARTON RD
GRAND TERRACE, CA 92313
Specialist/Technologist (Speech-Language Assistant)
22365 BARTON RD
GRAND TERRACE, CA 92313
Physical Therapy Assistant
22365 BARTON RD, #212
GRAND TERRACE, CA 92313
Clinic/Center (Hearing and Speech)
22365 BARTON RD, SUITE 104
GRAND TERRACE, CA 92313
Hospice Care, Community Based
22365 BARTON RD, STE 100
GRAND TERRACE, CA 92313
Speech-Language Pathologist
22365 BARTON RD
GRAND TERRACE, CA 92313
Speech-Language Pathologist
22365 BARTON RD
GRAND TERRACE, CA 92313

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Breer's NPI number?

The NPI number for William Breer is 1982820650. It was assigned to this individual provider in the NPPES registry on April 18, 2007.

Where is William Breer located?

William Breer practices at 22365 Barton Rd Suite 314, Grand Terrace, CA 92313. The listed phone number is (909) 825-2151.

What is William Breer's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for William Breer was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.