Gregory Allen, PH.D., MFT
NPI 1679841795 · Marriage & Family Therapist · Palos Verdes Estates, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Allen, PH.D., MFT is a Marriage & Family Therapist provider in Palos Verdes Estates, CA (NPI 1679841795).
Provider details
- NPI number
- 1679841795
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- PH.D., MFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 17674 (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
14 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
- 2011-12-03
- Last updated
- 2011-12-03
Frequently asked questions
- What is Gregory Allen's NPI number?
- Gregory Allen's National Provider Identifier (NPI) is 1679841795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Allen's specialty?
- Gregory Allen is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Gregory Allen located?
- Gregory Allen's practice location on file with NPPES is 336 Tejon Pl, Palos Verdes Estates, CA 90274-1204.
- What is Gregory Allen's phone number?
- The practice phone number listed in the NPPES registry for Gregory Allen is (310) 378-9005.
- Does Gregory Allen accept Medicare?
- Gregory Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Allen's NPI active?
- Yes — Gregory Allen's NPI (1679841795) is active in the NPPES registry as of the last update on 2011-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.