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

Individual provider Marriage & Family Therapist · NPI 1902318397

Niamh O Sullivan, LMFT is a Marriage & Family Therapist in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2017
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

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Practice location Address checks out

425 Gough St
San Francisco, CA 94102-4415
Phone: (415) 633-6584
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 51925 (CA)

Record details

NPI number1902318397
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMFT
Sole proprietorYes
NPI enumeratedOctober 25, 2017
Last updated in NPPESOctober 25, 2017

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