What is Diana Guerra's NPI number?

Diana Guerra's National Provider Identifier (NPI) is 1255283685, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diana Guerra's specialty?

Diana Guerra is listed in the NPPES registry with a primary specialty of Nutritionist (Dietary & Nutritional Service Providers).

Where is Diana Guerra located?

Diana Guerra's practice location on file with NPPES is 3050 S Delaware St Ste 130, San Mateo, CA 94403-2394.

What is Diana Guerra's phone number?

The practice phone number listed in the NPPES registry for Diana Guerra is (650) 319-8654.

Is Diana Guerra's NPI active?

Yes — Diana Guerra's NPI (1255283685) is active in the NPPES registry as of the last update on 2026-02-10.

IndividualActive

Diana Guerra

NPI 1255283685 · Nutritionist · San Mateo, CA

Diana Guerra is a Nutritionist provider in San Mateo, CA (NPI 1255283685).

Provider details

NPI number: 1255283685
Entity type: Individual
Primary specialty: NutritionistDietary & Nutritional Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

NutritionistPrimary133N00000X
Dietary & Nutritional Service Providers

Profile Score

Basic profile(47/100 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

3050 S Delaware St Ste 130

San Mateo, CA 94403-2394

Phone: (650) 319-8654

Street-level locationGet directions

More CA providers

Mailing address