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

Mrs. Rebecca Joy McMahon, LCSW

Individual provider Clinical Social Worker · NPI 1174853519

Mrs. Rebecca Joy McMahon, LCSW is a Clinical Social Worker in Modesto, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2010
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

1015 12th St Ste 8
Modesto, CA 95354-0838
Phone: (209) 480-2038
Fax: (209) 522-2993
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 LCS 21518 (CA)

Record details

NPI number1174853519
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 7, 2010
Last updated in NPPESJanuary 7, 2010

Other providers in Modesto