Gretchen Mattox, LMFT
NPI 1861110827 · Marriage & Family Therapist · Calabasas, CA
Gretchen Mattox, LMFT is a Marriage & Family Therapist provider in Calabasas, CA (NPI 1861110827).
Provider details
- NPI number
- 1861110827
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 86715 (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
3 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
- 2022-08-16
- Last updated
- 2022-08-16
- Certified
- 2022-08-15
Frequently asked questions
- What is Gretchen Mattox's NPI number?
- Gretchen Mattox's National Provider Identifier (NPI) is 1861110827, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Mattox's specialty?
- Gretchen Mattox is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Gretchen Mattox located?
- Gretchen Mattox's practice location on file with NPPES is 479 Cold Canyon Rd, Calabasas, CA 91302-2204.
- What is Gretchen Mattox's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Mattox is (310) 621-4329.
- Is Gretchen Mattox's NPI active?
- Yes — Gretchen Mattox's NPI (1861110827) is active in the NPPES registry as of the last update on 2022-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.