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

Mary L A Gilliam, LCSW

Individual provider Clinical Social Worker · NPI 1518347343

Mary L A Gilliam, LCSW is a Clinical Social Worker in Fontana, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2015
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 →

Practice location Address checks out

17284 Slover Ave Ste #105
Fontana, CA 92337-7584
Phone: (909) 609-2800
Fax: (909) 609-3805
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCS14326 (CA)

Record details

NPI number1518347343
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJune 6, 2015
Last updated in NPPESJune 6, 2015

Other providers in Fontana