What is Rosina Diaz's NPI number?

Rosina Diaz's National Provider Identifier (NPI) is 1154277291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Rosina Diaz's specialty?

Rosina Diaz is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).

Where is Rosina Diaz located?

Rosina Diaz's practice location on file with NPPES is 1109 N California St, Stockton, CA 95202-1537.

What is Rosina Diaz's phone number?

The practice phone number listed in the NPPES registry for Rosina Diaz is (209) 451-3977.

Is Rosina Diaz's NPI active?

Yes — Rosina Diaz's NPI (1154277291) is active in the NPPES registry as of the last update on 2026-03-10.

IndividualActive

Rosina Diaz

NPI 1154277291 · Peer Specialist · Stockton, CA

Rosina Diaz is a Peer Specialist provider in Stockton, CA (NPI 1154277291).

Provider details

NPI number: 1154277291
Entity type: Individual
Primary specialty: Peer SpecialistOther Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Peer SpecialistPrimary175T00000X
Other Service Providers
Community Health Worker172V00000X
Other Service Providers

Profile Score

Basic profile(46/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

1109 N California St

Stockton, CA 95202-1537

Phone: (209) 451-3977

Street-level locationGet directions

More CA providers

Mailing address