Diane Donnelly, MA
NPI 1861560799 · Marriage & Family Therapist · Lafayette, CA
Diane Donnelly, MA is a Marriage & Family Therapist provider in Lafayette, CA (NPI 1861560799).
Provider details
- NPI number
- 1861560799
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MA
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC35069 (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
- 2006-11-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diane Donnelly's NPI number?
- Diane Donnelly's National Provider Identifier (NPI) is 1861560799, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Donnelly's specialty?
- Diane Donnelly is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Diane Donnelly located?
- Diane Donnelly's practice location on file with NPPES is 3468 Mt Diablo Blvd, Lafayette, CA 94549-3957.
- What is Diane Donnelly's phone number?
- The practice phone number listed in the NPPES registry for Diane Donnelly is (925) 284-8807.
- Is Diane Donnelly's NPI active?
- Yes — Diane Donnelly's NPI (1861560799) 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.