DR. HIEU TRUNG NGUYEN MD
NPI 1902338478
Anesthesiology in Temecula, CA
About Dr. Hieu Trung Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HIEU TRUNG NGUYEN MD (NPI 1902338478) is an individual anesthesiology provider in Temecula, California, licensed in California (A172356) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
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. Hieu Trung Nguyen Md 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
6Medicare enrollment records show Hieu Nguyen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Temecula, CA 92592
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
Murrieta, CA 92562
- Reassigned Medicare billing, California enrollment
- 34 clinicians in this Medicare group
Murrieta, CA 92562
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
Wildomar, CA 92595
- Reassigned Medicare billing, California enrollment
- 49 clinicians in this Medicare group
Corona, CA 92882
- Reassigned Medicare billing, California enrollment
- 70 clinicians in this Medicare group
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 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
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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TEMECULA, CA 92592
TEMECULA, CA 92592
TEMECULA, CA 92592
TEMECULA, CA 92592
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 Hieu Nguyen's NPI number?
The NPI number for Hieu Nguyen is 1902338478. It was assigned to this individual provider in the NPPES registry on April 3, 2017.
Where is Hieu Nguyen located?
Hieu Nguyen practices at 31700 Temecula Pkwy, Temecula, CA 92592. The listed phone number is (951) 331-2200.
What is Hieu Nguyen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Hieu Nguyen enrolled in Medicare?
Yes. Hieu 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 Hieu Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hieu Nguyen reassigns Medicare benefits to 6 organizations: Temecula Valley Anesthesia Partners, Inc (Temecula, CA), Temecula Surgery Anesthesia Partners, Inc (Murrieta, CA), Rancho Springs Anesthesia Partners, Inc (Murrieta, CA), Inland Valley Anesthesia Partners, Inc (Wildomar, CA), Corona Anesthesia Group, Inc. (Corona, CA) and 1 more organization, listed in the Medicare section above. 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 Hieu 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 Hieu Nguyen was last updated on May 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Hieu Trung Nguyen, MD · NPI 1902338478
Anesthesiology physician in Temecula, California. Individual provider, active in the CMS NPPES registry since April 3, 2017.
## Identity
- **NPI:** 1902338478 (Entity type: Individual)
- **Enumerated:** April 3, 2017
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A172356 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 31700 TEMECULA PKWY, Temecula, CA 92592-5896
- **Phone:** (951) 331-2200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Temecula Valley Anesthesia Partners, Inc (NPI 1114789013, Temecula, CA); Temecula Surgery Anesthesia Partners, Inc (NPI 1962264853, Murrieta, CA); Rancho Springs Anesthesia Partners, Inc (NPI 1730941634, Murrieta, CA); Inland Valley Anesthesia Partners, Inc (NPI 1053173955, Wildomar, CA); Corona Anesthesia Group, Inc. (NPI 1558865840, Corona, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** May 18, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1902338478) · Data from the CMS NPPES public registry.