What is Mari Diaz's NPI number?

Mari Diaz's National Provider Identifier (NPI) is 1588210223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mari Diaz's specialty?

Mari Diaz is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Mari Diaz located?

Mari Diaz's practice location on file with NPPES is 6051 N Fresno St Ste 101, Fresno, CA 93710-5280.

What is Mari Diaz's phone number?

The practice phone number listed in the NPPES registry for Mari Diaz is (559) 365-0931.

Is Mari Diaz's NPI active?

Yes — Mari Diaz's NPI (1588210223) is active in the NPPES registry as of the last update on 2026-03-14.

IndividualActive

Mari Diaz

NPI 1588210223 · Social Worker · Fresno, CA

Mari Diaz is a Social Worker provider in Fresno, CA (NPI 1588210223).

Provider details

NPI number: 1588210223
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 120279 (CA)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 120279 (CA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(75/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
6 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
3 documented practice locations

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

6051 N Fresno St Ste 101

Fresno, CA 93710-5280

Phone: (559) 365-0931

Street-level locationGet directions

More CA providers

Mailing address

1396 W Herndon Ave

Fresno, CA 93711-7126

Additional practice locations (2)

1410 F St
Fresno, CA 93706-1608
Phone: (559) 365-0931
1396 W Herndon Ave
Fresno, CA 93711-7126
Phone: (559) 256-0100

Enumerated: 2019-08-16
Last updated: 2026-03-14
Certified: 2026-03-14

Frequently asked questions

What is Mari Diaz's NPI number?: Mari Diaz's National Provider Identifier (NPI) is 1588210223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mari Diaz's specialty?: Mari Diaz is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
Where is Mari Diaz located?: Mari Diaz's practice location on file with NPPES is 6051 N Fresno St Ste 101, Fresno, CA 93710-5280.
What is Mari Diaz's phone number?: The practice phone number listed in the NPPES registry for Mari Diaz is (559) 365-0931.
Is Mari Diaz's NPI active?: Yes — Mari Diaz's NPI (1588210223) is active in the NPPES registry as of the last update on 2026-03-14.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.