Diana Methfessel, MA MFT
NPI 1275699522 · Marriage & Family Therapist · Pleasant Hill, CA
Diana Methfessel, MA MFT is a Marriage & Family Therapist provider in Pleasant Hill, CA (NPI 1275699522).
Provider details
- NPI number
- 1275699522
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MA MFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC23502 (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
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
- 2006-12-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diana Methfessel's NPI number?
- Diana Methfessel's National Provider Identifier (NPI) is 1275699522, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Methfessel's specialty?
- Diana Methfessel is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Diana Methfessel located?
- Diana Methfessel's practice location on file with NPPES is 140 Mayhew Way, Pleasant Hill, CA 94523-4328.
- What is Diana Methfessel's phone number?
- The practice phone number listed in the NPPES registry for Diana Methfessel is (925) 930-7450.
- Is Diana Methfessel's NPI active?
- Yes — Diana Methfessel's NPI (1275699522) 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.