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Provider Profile

Delfina I. Castelan

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At a glance

About Delfina Castelan

The NPI registry lists Delfina I. Castelan as a student in an organized health care education program, in Fullerton, CA. The provider's National Provider Identifier (NPI) is 1861328767.

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

Credentials & Licensing

CA licenceAs reported to the NPI registry
No. 108766As reported
NPINational Provider Identifier
1861328767Issued 2026

As reported to the NPI registry ↗

Common questions

What does Delfina I. Castelan specialize in?

Delfina I. Castelan is a medical trainee in Fullerton, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Student in an Organized Health Care Education Program”.

NPI registry

Where is Delfina I. Castelan located?

Delfina I. Castelan is listed at 1501 E Orangethorpe Ave Ste 200, Fullerton, CA 92831. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Delfina I. Castelan's phone number?

The number on file is (714) 254-8473. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Delfina I. Castelan?

Delfina I. Castelan's National Provider Identifier is 1861328767. 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

Is Delfina I. Castelan's profile verified?

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

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

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