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

MS. Gillian Eve Nathan, LCSW

Individual provider Mental Health Counselor · NPI 1184755365

MS. Gillian Eve Nathan, LCSW is a Mental Health Counselor in San Francisco, California. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007
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

2120 Market St Ste 209
San Francisco, CA 94114-1375
Phone: (415) 820-1603
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

Record details

NPI number1184755365
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 8, 2007
Last updated in NPPESFebruary 27, 2009

Other providers in San Francisco