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ANDREW ROGER OSSA RDN
NPI 1952860595
Dietitian, Registered in Whittier, CA

Active since March 13, 2019
6219 OXSEE AVE, WHITTIER, CA 90606(562) 713-4615 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Apr 23, 2026, Jul 3, 2025, Jan 31, 2020 and 1 more (4 updates tracked since 2019).

About Andrew Roger Ossa Rdn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANDREW ROGER OSSA RDN (NPI 1952860595) is an individual dietitian, registered in Whittier, California, licensed in California (86098381) and active in the NPI registry since March 2019.

NPPES Registry Identity

NPI1952860595
Entity TypeIndividualMale
Primary Taxonomy133V00000X
Provider Legal NameANDREW ROGER OSSACredential: RDN
Location Address6219 OXSEE AVEWhittier, CA 90606-1537
Mailing Address6219 Oxsee AveWhittier, CA 90606-1537 · (562) 713-4615
Phone(562) 713-4615
Sole ProprietorYes
Enumeration DateMarch 13, 2019
Last NPPES UpdateApril 23, 20264 updates tracked since enumeration
NPPES CertifiedApril 23, 2026
✔ NPI 1952860595 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in CA · 86098381
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
6219 OXSEE AVE, Whittier, CA 90606
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andrew Ossa's NPI number?

The NPI number for Andrew Ossa is 1952860595. It was assigned to this individual provider in the NPPES registry on March 13, 2019.

Where is Andrew Ossa located?

Andrew Ossa practices at 6219 Oxsee Ave, Whittier, CA 90606. The listed phone number is (562) 713-4615.

What is Andrew Ossa's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

When was this NPI record last updated?

The NPPES record for Andrew Ossa was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.