Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Giselle E Zayer, MSW, LCSW

Individual provider Mental Health Counselor · NPI 1467825521

Giselle E Zayer, MSW, LCSW is a Mental Health Counselor in Fontana, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2015
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

15922 Caterpillar Dr
Fontana, CA 92336-5589
Phone: (909) 260-3866
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LCSW107065 (CA)

Record details

NPI number1467825521
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorYes
NPI enumeratedNovember 10, 2015
Last updated in NPPESJuly 24, 2025
Certification dateJuly 24, 2025
Mailing address12405 Royal Oaks Dr, Rancho Cucamonga, CA 91739-8824

Other providers in Fontana