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DR. JAMES M TRENBEATH MD
NPI 1245209089
Internal Medicine - Gastroenterology in Laguna Hills, CA

Active since March 15, 2006
24221 CALLE DE LA LOUISA, SUITE 300, LAGUNA HILLS, CA 92653(949) 770-7163(949) 465-8159 Get Directions Write a Review

NPPES record last updated: September 29, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. James M Trenbeath Md NPPES

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

DR. JAMES M TRENBEATH MD (NPI 1245209089) is an individual gastroenterology provider in Laguna Hills, California, licensed in California (G39393) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1245209089
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JAMES M TRENBEATHCredential: MD
Location Address24221 CALLE DE LA LOUISA, SUITE 300Laguna Hills, CA 92653-7638
Mailing Address24221 Calle De La Louisa, Suite 400Laguna Hills, CA 92653-7638 · (949) 465-8155 · Fax (949) 465-8159
Phone(949) 770-7163
Fax(949) 465-8159
Sole ProprietorNo
Enumeration DateMarch 15, 2006
Last NPPES UpdateSeptember 29, 2011
✔ NPI 1245209089 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · G39393
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
24221 CALLE DE LA LOUISA, Laguna Hills, CA 92653
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Other Identifiers 2

Medicare UPINA47808
Medicare ID-Type UnspecifiedWG39393BCA

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KIMVIR S DHILLON MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
24221 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Orange County (949) 465-8145
CUONG PHU LY M.D.
Internal Medicine (Nephrology)
24221 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Orange County (949) 707-1059
DR. MARK D SHIELDS MD
Internal Medicine
24221 CALLE DE LA LOUISA, SUITE 200
LAGUNA HILLS, CA 92653
Orange County (949) 588-8700
SADDLEBACK MEDICAL GROUP INC
Internal Medicine (Gastroenterology)
24221 CALLE DE LA LOUISA, SUITE 400
LAGUNA HILLS, CA 92653
Orange County (949) 465-8155
DR. NATHANIEL DAT HO M.D.
Internal Medicine (Nephrology)
24221 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Orange County (949) 707-1059
CATHERINE BAO NGO M.D.
Internal Medicine (Gastroenterology)
24221 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Orange County (949) 770-7163
DR. CECILIA H TRAN MD
Internal Medicine
24221 CALLE DE LA LOUISA, SUITE 200
LAGUNA HILLS, CA 92653
Orange County (949) 420-5980
DR. ARTHUR J DAIGNEAULT MD
Internal Medicine
24221 CALLE DE LA LOUISA, SUITE 200
LAGUNA HILLS, CA 92653
Orange County (949) 588-8700

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 James Trenbeath's NPI number?

The NPI number for James Trenbeath is 1245209089. It was assigned to this individual provider in the NPPES registry on March 15, 2006.

Where is James Trenbeath located?

James Trenbeath practices at 24221 Calle De La Louisa Suite 300, Laguna Hills, CA 92653. The listed phone number is (949) 770-7163.

What is James Trenbeath's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for James Trenbeath was last updated on September 29, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.