MR. THOMAS O'CALLAGHAN MD
NPI 1699751321
Surgery in Loma Linda, CA

Q: What is Thomas O'callaghan's NPI number?

The NPI number for Thomas O'callaghan is 1699751321. It was assigned to this individual provider in the NPPES registry on December 15, 2005.

Q: What is Thomas O'callaghan's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Active since December 15, 2005

11370 ANDERSON ST, STE. 2100, LOMA LINDA, CA 92354(909) 558-2822 Get Directions Write a Review

NPPES record last updated: October 4, 2007. Verified against the NPPES registry weekly; last sync: September 06, 2026.

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About Mr. Thomas O'callaghan Md NPPES

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

MR. THOMAS O'CALLAGHAN MD (NPI 1699751321) is an individual surgery provider in Loma Linda, California, licensed in California (C42550) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1699751321

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameMR. THOMAS O'CALLAGHANCredential: MD

Location Address11370 ANDERSON ST, STE. 2100Loma Linda, CA 92354-3450

Mailing AddressFile Number 54701Los Angeles, CA 90074-0001 · (909) 558-3111

Phone(909) 558-2822

Sole ProprietorNo

Enumeration DateDecember 15, 2005

Last NPPES UpdateOctober 4, 2007

✔ NPI 1699751321 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in CA · C42550

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

11370 ANDERSON ST, Loma Linda, CA 92354

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Other Identifiers 3

Medicaid00C425500CA

Medicare UPIND92485

Medicare PIN00C425501CA

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.

JOHN Y KIM M.D.

Otolaryngology

11370 ANDERSON ST, SUITE 2100
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2822

EDMUND YUEY KUN KO M.D.

Urology

11370 ANDERSON ST, SUITE 1100
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2830

SNORRI OLAFSSON M.D.

Internal Medicine (Gastroenterology)

11370 ANDERSON ST, STE 3150
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2191

SIGVE K. TONSTAD M.D.

Internal Medicine

11370 ANDERSON ST
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2870

KHASHAYAR DASHTIPOUR M.D.

Psychiatry & Neurology (Neurology)

11370 ANDERSON ST, SUITE 2400
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2880

DOUGLAS DEMING M.D.

Pediatrics (Neonatal-Perinatal Medicine)

11370 ANDERSON ST, STE B-100
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2848

ABEL TORRES M.D.

Dermatology (MOHS-Micrographic Surgery)

11370 ANDERSON ST, STE 2600
LOMA LINDA, CA 92354

San Bernardino County (909) 558-2055

MIA NEPOMUCENO-PEREZ M.D.

Pathology (Anatomic Pathology)

11370 ANDERSON ST, STE 2960
LOMA LINDA, CA 92354

San Bernardino County (909) 558-6422

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas O'callaghan's NPI number?

The NPI number for Thomas O'callaghan is 1699751321. It was assigned to this individual provider in the NPPES registry on December 15, 2005.

Where is Thomas O'callaghan located?

Thomas O'callaghan practices at 11370 Anderson St Ste. 2100, Loma Linda, CA 92354. The listed phone number is (909) 558-2822.

What is Thomas O'callaghan's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

When was this NPI record last updated?

The NPPES record for Thomas O'callaghan was last updated on October 4, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.