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

Mrs. Tiffany Kathleen Knowlton, LMFT

Individual provider Marriage & Family Therapist · NPI 1932322393

Mrs. Tiffany Kathleen Knowlton, LMFT is a Marriage & Family Therapist in Fontana, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
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

15846 Parkhouse Dr
Fontana, CA 92336-6502
Phone: (909) 574-2867
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 MFC 36656 (CA)

Record details

NPI number1932322393
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMFT
Sole proprietorYes
NPI enumeratedApril 11, 2007
Last updated in NPPESMay 3, 2010

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