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

Mr. David Alexander Thomson, LCSW

Individual provider Clinical Social Worker · NPI 1205814415

Mr. David Alexander Thomson, LCSW is a Clinical Social Worker in San Francisco, California. Qualified in 1974, 52 years ago. Accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
52
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

3569 Sacramento St
San Francisco, CA 94118-1866
Phone: (415) 567-0095
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 LCS6951 (CA)

Record details

NPI number1205814415
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJanuary 6, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1974 (52 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in San Francisco