Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

MS. Margaret Denise Tahan, LCSW

Individual provider Clinical Social Worker · NPI 1366411886

MS. Margaret Denise Tahan, LCSW is a Clinical Social Worker in Martinez, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

150 Muir Rd Bldg 24
Martinez, CA 94553-4668
Phone: (925) 372-2545
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 LCS20059 (CA)

Record details

NPI number1366411886
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMarch 16, 2006
Last updated in NPPESSeptember 21, 2026
Certification dateSeptember 21, 2026

Other providers in Martinez