DR. TUONG C NGUYEN M.D.
NPI 1831531565
Surgery in Riverside, CA
About Dr. Tuong C Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TUONG C NGUYEN M.D. (NPI 1831531565) is an individual surgery provider in Riverside, California, licensed in California (A167013) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS and is a graduate of University Of Wisconsin School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Tuong C Nguyen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Tuong Nguyen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverside, CA 92504
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
Garden Grove, CA 92844
- Reassigned Medicare billing, California enrollment
- 22 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92504 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Tuong Nguyen's NPI number?
The NPI number for Tuong Nguyen is 1831531565. It was assigned to this individual provider in the NPPES registry on July 23, 2013.
Where is Tuong Nguyen located?
Tuong Nguyen practices at 7111 Indiana Ave Ste 100, Riverside, CA 92504. The listed phone number is (951) 276-9012.
What is Tuong Nguyen's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Tuong Nguyen enrolled in Medicare?
Yes. Tuong Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Tuong Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tuong Nguyen reassigns Medicare benefits to 3 organizations: Nurick Surgical Institute Inc (Riverside, CA), Orange County Vascular & Endovascular Surgery Center, Inc. (Fountain Valley, CA) and Dao Medical Group Inc (Garden Grove, CA). Each 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 Tuong Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Tuong Nguyen was last updated on August 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.