Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Olivia Ostunio, RDN

Individual provider Registered Dietitian · NPI 1881577559

Olivia Ostunio, RDN is a Registered Dietitian in Orange, California. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Practice location Address checks out

101 The City Dr S Unit 23
Orange, CA 92868-3201
Phone: (714) 456-6684
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 86042648

Record details

NPI number1881577559
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN
Sole proprietorNo
NPI enumeratedJuly 29, 2025
Last updated in NPPESJuly 29, 2025
Certification dateJuly 29, 2025
Mailing address101 The City Dr S Unit 23, Orange, CA 92868-3201

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