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

MS. Osun Yoo, MA, LMFT

Individual provider Marriage & Family Therapist · NPI 1366621013

MS. Osun Yoo, MA, LMFT is a Marriage & Family Therapist in San Ramon, California. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

9260 Alcosta Blvd Ste A5
San Ramon, CA 94583-4132
Phone: (408) 597-4847
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X

Record details

NPI number1366621013
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA , LMFT
Sole proprietorYes
NPI enumeratedOctober 30, 2007
Last updated in NPPESJuly 2, 2026
Certification dateJuly 2, 2026

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