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Provider Profile

Gary J. Sardina, RDN

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At a glance

About Gary Sardina

Gary J. Sardina, RDN is a registered dietitian / nutritionist based in Castaic, CA. The provider's National Provider Identifier (NPI) is 1558171363.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

School Other Graduated: 2015

Credentials & Licensing

CA licenceAs reported to the NPI registry
No. 86069626As reported
NPINational Provider Identifier
1558171363Issued 2025

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Gary J. Sardina specialize in?

Gary J. Sardina is a registered dietitian / nutritionist in Castaic, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Gary J. Sardina located?

Gary J. Sardina is listed at 27759 Wakefield Rd, Castaic, CA 91384. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Gary J. Sardina's phone number?

The number on file is (858) 344-0515. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Gary J. Sardina?

Gary J. Sardina's National Provider Identifier is 1558171363. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Gary J. Sardina train?

Gary J. Sardina attended Other, graduating in 2015. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Gary J. Sardina have?

Gary J. Sardina has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.

CMS public data

Is Gary J. Sardina's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Gary J. Sardina. If this is you, claiming it is free.

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