Tiffany Knowlton, LMFT
NPI 1932322393 · Marriage & Family Therapist · Fontana, CA
Tiffany Knowlton, LMFT is a Marriage & Family Therapist provider in Fontana, CA (NPI 1932322393).
Provider details
- NPI number
- 1932322393
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC 36656 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-11
- Last updated
- 2010-05-03
Frequently asked questions
- What is Tiffany Knowlton's NPI number?
- Tiffany Knowlton's National Provider Identifier (NPI) is 1932322393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Knowlton's specialty?
- Tiffany Knowlton is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Tiffany Knowlton located?
- Tiffany Knowlton's practice location on file with NPPES is 15846 Parkhouse Dr, Fontana, CA 92336-6502.
- What is Tiffany Knowlton's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Knowlton is (909) 574-2867.
- Is Tiffany Knowlton's NPI active?
- Yes — Tiffany Knowlton's NPI (1932322393) is active in the NPPES registry as of the last update on 2010-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.