What is Melissa Diaz's NPI number?

Melissa Diaz's National Provider Identifier (NPI) is 1831717750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Melissa Diaz's specialty?

Melissa Diaz is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).

Where is Melissa Diaz located?

Melissa Diaz's practice location on file with NPPES is 1359 N Grand Ave, Covina, CA 91724-1016.

What is Melissa Diaz's phone number?

The practice phone number listed in the NPPES registry for Melissa Diaz is (626) 430-2900.

Is Melissa Diaz's NPI active?

Yes — Melissa Diaz's NPI (1831717750) is active in the NPPES registry as of the last update on 2025-05-15.

IndividualActive

Melissa Diaz

NPI 1831717750 · Community Health Worker · Covina, CA

Melissa Diaz is a Community Health Worker provider in Covina, CA (NPI 1831717750).

Provider details

NPI number: 1831717750
Entity type: Individual
Primary specialty: Community Health WorkerOther Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Community Health WorkerPrimary172V00000X
Other Service Providers
Day Training/Habilitation Specialist373H00000X
Nursing Service Related Providers

Profile Score

Established profile(57/100 index)

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

Registry tenure38% of score
5 yrs in NPPES registry
Profile completeness38% of score
83% 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

1359 N Grand Ave

Covina, CA 91724-1016

Phone: (626) 430-2900

Fax: (626) 331-0035

Street-level locationGet directions

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Mailing address