Provider Profile
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License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
15846 PARKHOUSE DR
Fontana, CA 92336
Tiffany K. Knowlton is a marriage and family therapist in Fontana, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Marriage & Family Therapist”.
NPI registry
Tiffany K. Knowlton is listed at 15846 Parkhouse Dr, Fontana, CA 92336. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 574-2867. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Tiffany K. Knowlton's National Provider Identifier is 1932322393. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Tiffany K. Knowlton has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Tiffany K. Knowlton. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.