Theresa Felix, M.S., MFT
NPI 1043405822 · Marriage & Family Therapist · Rancho Cucamonga, CA
Theresa Felix, M.S., MFT is a Marriage & Family Therapist provider in Rancho Cucamonga, CA (NPI 1043405822).
Provider details
- NPI number
- 1043405822
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- M.S., MFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 81552 (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
18 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
- 2007-09-13
- Last updated
- 2026-05-21
- Certified
- 2026-05-21
Frequently asked questions
- What is Theresa Felix's NPI number?
- Theresa Felix's National Provider Identifier (NPI) is 1043405822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Felix's specialty?
- Theresa Felix is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Theresa Felix located?
- Theresa Felix's practice location on file with NPPES is 9431 Haven Ave Ste 100, Rancho Cucamonga, CA 91730-5879.
- What is Theresa Felix's phone number?
- The practice phone number listed in the NPPES registry for Theresa Felix is (909) 529-0650.
- Is Theresa Felix's NPI active?
- Yes — Theresa Felix's NPI (1043405822) is active in the NPPES registry as of the last update on 2026-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.