Giselle Zayer, MSW, LCSW
NPI 1467825521 · Mental Health Counselor · Fontana, CA
Giselle Zayer, MSW, LCSW is a Mental Health Counselor provider in Fontana, CA (NPI 1467825521).
Provider details
- NPI number
- 1467825521
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCSW107065 (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
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2015-11-10
- Last updated
- 2025-07-24
- Certified
- 2025-07-24
Frequently asked questions
- What is Giselle Zayer's NPI number?
- Giselle Zayer's National Provider Identifier (NPI) is 1467825521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Giselle Zayer's specialty?
- Giselle Zayer is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Giselle Zayer located?
- Giselle Zayer's practice location on file with NPPES is 15922 Caterpillar Dr, Fontana, CA 92336-5589.
- What is Giselle Zayer's phone number?
- The practice phone number listed in the NPPES registry for Giselle Zayer is (909) 260-3866.
- Is Giselle Zayer's NPI active?
- Yes — Giselle Zayer's NPI (1467825521) is active in the NPPES registry as of the last update on 2025-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.