What is Andrew Ossa's NPI number?

Andrew Ossa's National Provider Identifier (NPI) is 1952860595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Andrew Ossa's specialty?

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

Where is Andrew Ossa located?

Andrew Ossa's practice location on file with NPPES is 6219 Oxsee Ave, Whittier, CA 90606-1537.

What is Andrew Ossa's phone number?

The practice phone number listed in the NPPES registry for Andrew Ossa is (562) 713-4615.

Is Andrew Ossa's NPI active?

Yes — Andrew Ossa's NPI (1952860595) is active in the NPPES registry as of the last update on 2026-04-23.

IndividualActive

Andrew Ossa, RDN

NPI 1952860595 · Registered Dietitian · Whittier, CA

Andrew Ossa, RDN is a Registered Dietitian provider in Whittier, CA (NPI 1952860595).

Provider details

NPI number: 1952860595
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RDN
Sex: Male
Sole proprietor: Yes
License: 86098381 (CA)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 86098381 (CA)
Dietary & Nutritional Service Providers

Profile Score

Established profile(66/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
7 yrs in NPPES 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

6219 Oxsee Ave

Whittier, CA 90606-1537

Phone: (562) 713-4615

Street-level locationGet directions

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Mailing address