What is Olivia Ostunio's NPI number?

Olivia Ostunio's National Provider Identifier (NPI) is 1881577559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Olivia Ostunio's specialty?

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

Where is Olivia Ostunio located?

Olivia Ostunio's practice location on file with NPPES is 101 the City Dr S Unit 23, Orange, CA 92868-3201.

What is Olivia Ostunio's phone number?

The practice phone number listed in the NPPES registry for Olivia Ostunio is (714) 456-6684.

Is Olivia Ostunio's NPI active?

Yes — Olivia Ostunio's NPI (1881577559) is active in the NPPES registry as of the last update on 2025-07-29.

IndividualActive

Olivia Ostunio, RDN

NPI 1881577559 · Registered Dietitian · Orange, CA

Olivia Ostunio, RDN is a Registered Dietitian provider in Orange, CA (NPI 1881577559).

Provider details

NPI number: 1881577559
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RDN
Sex: Female
Sole proprietor: No
License: 86042648

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 86042648
Dietary & Nutritional Service Providers

Profile Score

Established profile(54/100 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

101 the City Dr S Unit 23

Orange, CA 92868-3201

Phone: (714) 456-6684

Street-level locationGet directions

More CA providers

Mailing address