Physician Profile

Unclaimed Profile

About O'CALLAGHAN

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Areas of Expertise

Surgery (Primary)

Common questions

What kind of doctor is Dr. O'Callaghan?

Dr. O'Callaghan is a general surgeon in Loma Linda, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Surgery”.

NPI registry

What is Dr. O'Callaghan's address?

Dr. O'Callaghan is listed at 11370 ANDERSON ST STE. 2100, Loma Linda, CA 92354. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. O'Callaghan?

The number on file is (909) 558-2822. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. O'Callaghan?

Dr. O'Callaghan's National Provider Identifier is 1699751321. 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

How much experience does Dr. O'Callaghan have?

Dr. O'Callaghan has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.

NPI registry

Is Dr. O'Callaghan's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Callaghan. If this is you, claiming it is free.

Guide.md

Licensing & Certification

CA licenseC42550
NPI1699751321
NPI issued12/15/2005

Source: NPPES NPI Registry

Related providers

Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.

Related specialists at this location 6

Clinically related specialties at the same address — the people this provider most likely works alongside.

Also at this address 4

Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.

Other general surgeons in Loma Linda 8

Same specialty, same city.

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.