OSCAR JAN MS RD
NPI 1386260826
Dietitian, Registered in Garden Grove, CA

Q: What is Oscar Jan's NPI number?

The NPI number for Oscar Jan is 1386260826. It was assigned to this individual provider in the NPPES registry on June 21, 2020.

Q: What is Oscar Jan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Oscar Jan was last updated on September 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since June 21, 2020

13300 GARDEN GROVE BLVD, GARDEN GROVE, CA 92843(714) 246-8400 Get Directions Write a Review

NPPES record last updated: September 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 17, 2025, Nov 5, 2023, Jun 21, 2020 (3 updates tracked since 2020).

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About Oscar Jan Ms Rd NPPES

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

OSCAR JAN MS RD (NPI 1386260826) is an individual dietitian, registered in Garden Grove, California and active in the NPI registry since June 2020.

NPPES Registry Identity

NPI1386260826

Entity TypeIndividualMale

Primary Taxonomy133V00000X

Provider Legal NameOSCAR JANCredential: MS RD

Location Address13300 GARDEN GROVE BLVDGarden Grove, CA 92843-2207

Mailing Address13300 Garden Grove BlvdGarden Grove, CA 92843-2207 · (714) 246-8400

Phone(714) 246-8400

Sole ProprietorYes

Enumeration DateJune 21, 2020

Last NPPES UpdateSeptember 17, 20253 updates tracked since enumeration

NPPES CertifiedSeptember 17, 2025

✔ NPI 1386260826 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

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.

13300 GARDEN GROVE BLVD, Garden Grove, CA 92843

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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