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

Lynn F. Y. Yamamoto, MS, MFT

Individual provider Marriage & Family Therapist · NPI 1104045434

Lynn F. Y. Yamamoto, MS, MFT is a Marriage & Family Therapist in Diamond Bar, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MS — Master of Science
A graduate science degree.
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

1200 S Diamond Bar Blvd Ste 216
Diamond Bar, CA 91765-2298
Phone: (909) 396-6888
Fax: (909) 396-6889
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence MFC20455 (CA)

Record details

NPI number1104045434
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , MFT
Sole proprietorYes
NPI enumeratedApril 25, 2007
Last updated in NPPESJuly 8, 2007

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