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

MS. Sarah Sum Wing Mak, LCSW

Individual provider Clinical Social Worker · NPI 1396819058

MS. Sarah Sum Wing Mak, LCSW is a Clinical Social Worker in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

720 Sacramento St
San Francisco, CA 94108-2535
Phone: (415) 392-4453
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 28961 (CA)
Counselor Taxonomy 101Y00000X · Licence 28961 (CA)

Record details

NPI number1396819058
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedNovember 17, 2006
Last updated in NPPESJanuary 4, 2016

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