Dian Allen, PH.D., LMFT
NPI 1174680805 · Marriage & Family Therapist · Vallejo, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dian Allen, PH.D., LMFT is a Marriage & Family Therapist provider in Vallejo, CA (NPI 1174680805).
Provider details
- NPI number
- 1174680805
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- PH.D., LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1300 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2007-01-02
- Last updated
- 2023-09-02
- Certified
- 2023-09-02
Frequently asked questions
- What is Dian Allen's NPI number?
- Dian Allen's National Provider Identifier (NPI) is 1174680805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dian Allen's specialty?
- Dian Allen is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Dian Allen located?
- Dian Allen's practice location on file with NPPES is 526 Tennessee St, Vallejo, CA 94590-4431.
- What is Dian Allen's phone number?
- The practice phone number listed in the NPPES registry for Dian Allen is (707) 331-8551.
- Does Dian Allen accept Medicare?
- Dian Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dian Allen's NPI active?
- Yes — Dian Allen's NPI (1174680805) is active in the NPPES registry as of the last update on 2023-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.