Maryanne Diaz, LMFT
NPI 1609297118 · Marriage & Family Therapist · Concord, CA
Maryanne Diaz, LMFT is a Marriage & Family Therapist provider in Concord, CA (NPI 1609297118).
Provider details
- NPI number
- 1609297118
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- No
- License
- LMFT112317 (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
12 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
- 2013-12-31
- Last updated
- 2019-12-06
Frequently asked questions
- What is Maryanne Diaz's NPI number?
- Maryanne Diaz's National Provider Identifier (NPI) is 1609297118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryanne Diaz's specialty?
- Maryanne Diaz is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Maryanne Diaz located?
- Maryanne Diaz's practice location on file with NPPES is 2500 Bates Ave Ste B, Concord, CA 94520-1208.
- What is Maryanne Diaz's phone number?
- The practice phone number listed in the NPPES registry for Maryanne Diaz is (925) 270-5935.
- Is Maryanne Diaz's NPI active?
- Yes — Maryanne Diaz's NPI (1609297118) is active in the NPPES registry as of the last update on 2019-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.