DINH T NGUYEN MD INC
NPI 1275321473
Specialist in Garden Grove, CA
About Dinh T Nguyen Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DINH T NGUYEN MD INC (NPI 1275321473) is a healthcare organization registered as a specialist in Garden Grove, California and active in the NPI registry since April 2025. The organization lists Dinh Truong Nguyen, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dinh T 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 Dinh T Nguyen MD Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Garden Grove, CA 92844
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 Dinh T Nguyen MD Inc's NPI number?
The NPI number for Dinh T Nguyen MD Inc is 1275321473. It was assigned to this organization in the NPPES registry on April 28, 2025.
Where is Dinh T Nguyen MD Inc located?
Dinh T Nguyen MD Inc is located at 9681 Garden Grove Blvd Ste 104, Garden Grove, CA 92844. The listed phone number is (714) 462-6062.
What is Dinh T Nguyen MD Inc's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Dinh T Nguyen MD Inc enrolled in Medicare?
Yes. Dinh T Nguyen MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Dinh T Nguyen MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Surgery) reassigns their Medicare billing to Dinh T 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 Dinh T Nguyen MD Inc was last updated on June 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# Dinh T Nguyen Md Inc · NPI 1275321473
Specialist organization in Garden Grove, California. Organization record, active in the CMS NPPES registry since April 28, 2025.
## Identity
- **NPI:** 1275321473 (Entity type: Organization)
- **Enumerated:** April 28, 2025
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Dinh Nguyen, PRESIDENT
## Practice location
- **Address:** 9681 GARDEN GROVE BLVD STE 104, Garden Grove, CA 92844-1548
- **Phone:** (714) 462-6062 · **Fax:** (714) 462-6072
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (General Surgery) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1275321473) · Data from the CMS NPPES public registry.