1. Home
  2. Directory
  3. California
  4. Tracy
  5. Surgery
  6. NPI Profile

DUC C NGUYEN MD INC
NPI 1891212114
Surgery in Tracy, CA

Active since August 28, 2017
1546 N TRACY BLVD, TRACY, CA 95376(209) 833-3320(209) 835-5929 Get Directions Write a Review

NPPES record last updated: February 9, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 9, 2024, Jul 21, 2022, Aug 28, 2017 (3 updates tracked since 2017).

About Duc C Nguyen Md Inc NPPES

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

DUC C NGUYEN MD INC (NPI 1891212114) is a healthcare organization registered as a surgery in Tracy, California and active in the NPI registry since August 2017. The organization lists Duc C Nguyen, Md/owner, as its authorized official.

NPPES Registry Identity

NPI1891212114
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameDUC C NGUYEN MD INC
Location Address1546 N TRACY BLVDTracy, CA 95376-2903
Mailing Address1546 N Tracy BlvdTracy, CA 95376-2903 · (209) 833-3320 · Fax (209) 835-5929
Phone(209) 833-3320
Fax(209) 835-5929
Organization SubpartNo
Authorized OfficialDuc C NguyenMd/owner · (209) 914-0481
Enumeration DateAugust 28, 2017
Last NPPES UpdateFebruary 9, 20243 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2024
✔ NPI 1891212114 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · G76681
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.
1546 N TRACY BLVD, Tracy, CA 95376
Open in Google Maps ↗

Other Identifiers 1

Medicaid1891212114CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Duc C Nguyen Md 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 Duc C Nguyen MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Duc Nguyen, MD
General Surgery
NPI 1356315410
1546 N TRACY BLVD
Tracy, CA 95376
(209) 833-3320
✔ PECOS✔ Accepts MedicareSame address

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 Duc C Nguyen MD Inc's NPI number?

The NPI number for Duc C Nguyen MD Inc is 1891212114. It was assigned to this organization in the NPPES registry on August 28, 2017.

Where is Duc C Nguyen MD Inc located?

Duc C Nguyen MD Inc is located at 1546 N Tracy Blvd, Tracy, CA 95376. The listed phone number is (209) 833-3320.

What is Duc C Nguyen MD Inc's specialty?

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

Is Duc C Nguyen MD Inc enrolled in Medicare?

Yes. Duc C Nguyen MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Duc C Nguyen MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Surgery) reassigns their Medicare billing to Duc C Nguyen MD 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 Duc C Nguyen MD Inc was last updated on February 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.