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

Mrs. Katherine S Johnson, MFT

Individual provider Marriage & Family Therapist · NPI 1518258482

Mrs. Katherine S Johnson, MFT is a Marriage & Family Therapist in San Ramon, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2011
What do these letters mean?
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

125 Ryan Industrial Ct Ste 114
San Ramon, CA 94583-1772
Phone: (510) 962-2317
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 MFC39584 (CA)

Record details

NPI number1518258482
Entity typeIndividual (Type 1)
GenderFemale
Credentials MFT
Sole proprietorYes
NPI enumeratedApril 27, 2011
Last updated in NPPESApril 27, 2011

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