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

Mrs. Gretchen Sheyna Mayer, LCSW

Individual provider Clinical Social Worker · NPI 1003043738

Mrs. Gretchen Sheyna Mayer, LCSW is a Clinical Social Worker in Westlake Village, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
What do these letters mean?
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

5743 Corsa Ave #105
Westlake Village, CA 91362-4027
Phone: (805) 497-8053
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

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 25601 (CA)

Record details

NPI number1003043738
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJune 20, 2009
Last updated in NPPESJune 20, 2009

Other providers in Westlake Village