Dorothy Diehl, MFT
NPI 1942295688 · Marriage & Family Therapist · Ventura, CA
Dorothy Diehl, MFT is a Marriage & Family Therapist provider in Ventura, CA (NPI 1942295688).
Provider details
- NPI number
- 1942295688
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Female
- License
- 21023 (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
20 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
- 2005-09-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Dorothy Diehl's NPI number?
- Dorothy Diehl's National Provider Identifier (NPI) is 1942295688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dorothy Diehl's specialty?
- Dorothy Diehl is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Dorothy Diehl located?
- Dorothy Diehl's practice location on file with NPPES is 4482 Market St, Ventura, CA 93003-7780.
- What is Dorothy Diehl's phone number?
- The practice phone number listed in the NPPES registry for Dorothy Diehl is (805) 644-3778.
- Is Dorothy Diehl's NPI active?
- Yes — Dorothy Diehl's NPI (1942295688) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.