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LEDUC MEDICAL GROUP, INC.
NPI 1073692406
Internal Medicine - Gastroenterology in Fountain Valley, CA

Active since November 05, 2006
11160 WARNER AVE, SUITE 101, FOUNTAIN VALLEY, CA 92708(714) 540-0105(714) 540-6727 Get Directions Write a Review

NPPES record last updated: August 6, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Leduc Medical Group, Inc. NPPES

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

LEDUC MEDICAL GROUP, INC. (NPI 1073692406) is a healthcare organization registered as a gastroenterology in Fountain Valley, California and active in the NPI registry since November 2006. The organization lists Stuart Chung, Administrator, as its authorized official.

NPPES Registry Identity

NPI1073692406
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameLEDUC MEDICAL GROUP, INC.
Location Address11160 WARNER AVE, SUITE 101Fountain Valley, CA 92708-4010
Mailing Address11160 Warner Ave, Suite 101Fountain Valley, CA 92708-4010 · (714) 540-0105 · Fax (714) 540-6727
Phone(714) 540-0105
Fax(714) 540-6727
Organization SubpartNo
Authorized OfficialStuart ChungAdministrator · (714) 540-0105
Enumeration DateNovember 5, 2006
Last NPPES UpdateAugust 6, 2013
✔ NPI 1073692406 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
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.
Also ListedMedical Genetics · Clinical Genetics (M.D.)Taxonomy 207SG0201X
Also ListedPediatricsTaxonomy 208000000X
11160 WARNER AVE, Fountain Valley, CA 92708
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Other Identifiers 3

Medicare PINFT562ACA
Medicare PING56656CA
Medicare PINFT574ZCA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leduc Medical Group, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Leduc Medical Group, Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Truong-Sinh Leduc, M.D.
Gastroenterology
NPI 1457430886
11160 WARNER AVE SUITE 101
Fountain Valley, CA 92708
(714) 540-0105
✔ PECOS✔ Accepts Medicare0.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Leduc Medical Group, Inc.'s NPI number?

The NPI number for Leduc Medical Group, Inc. is 1073692406. It was assigned to this organization in the NPPES registry on November 5, 2006.

Where is Leduc Medical Group, Inc. located?

Leduc Medical Group, Inc. is located at 11160 Warner Ave Suite 101, Fountain Valley, CA 92708. The listed phone number is (714) 540-0105.

What is Leduc Medical Group, Inc.'s specialty?

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

Is Leduc Medical Group, Inc. enrolled in Medicare?

Yes. Leduc Medical Group, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Leduc Medical Group, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Leduc Medical Group, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Leduc Medical Group, Inc. was last updated on August 6, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.