What is Barbara Longo's NPI number?

Barbara Longo's National Provider Identifier (NPI) is 1528929593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Barbara Longo's specialty?

Barbara Longo is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is Barbara Longo located?

Barbara Longo's practice location on file with NPPES is 209 W Ascot Ave, Rio Linda, CA 95673-4701.

What is Barbara Longo's phone number?

The practice phone number listed in the NPPES registry for Barbara Longo is (530) 250-5440.

Is Barbara Longo's NPI active?

Yes — Barbara Longo's NPI (1528929593) is active in the NPPES registry as of the last update on 2025-11-19.

IndividualActive

Barbara Longo, RDN

NPI 1528929593 · Registered Dietitian · Rio Linda, CA

Barbara Longo, RDN is a Registered Dietitian provider in Rio Linda, CA (NPI 1528929593).

Provider details

NPI number: 1528929593
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RDN
Sex: Female
Sole proprietor: Yes
License: 710131 (CA)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 710131 (CA)
Dietary & Nutritional Service Providers

Profile Score

Established profile(53/100 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
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

209 W Ascot Ave

Rio Linda, CA 95673-4701

Phone: (530) 250-5440

Street-level locationGet directions

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Mailing address