DR. TU V NGUYEN MD
NPI 1114931961
Anesthesiology in Fountain Valley, CA
About Dr. Tu V Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TU V NGUYEN MD (NPI 1114931961) is an individual anesthesiology provider in Fountain Valley, California, licensed in California (A105350) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and maintains a secondary practice location in Oak Lawn.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Tu V 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
12Medicare enrollment records show Tu Nguyen reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Murrieta, CA 92563
- Reassigned Medicare billing, California enrollment
- 137 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 270 clinicians in this Medicare group
Eureka, IL 61530
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Batavia, NY 14020
- Reassigned Medicare billing, New York enrollment
- 782 clinicians in this Medicare group
Rochester, NY 14624
- Reassigned Medicare billing, New York enrollment
- 1,442 clinicians in this Medicare group
Rochester, NY 14626
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Rochester, NY 14618
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Anesthesia Associates Of Rochester PC
- 142 clinicians in this Medicare group
Clifton Springs, NY 14432
- Reassigned Medicare billing, New York enrollment
- 872 clinicians in this Medicare group
Newark, NY 14513
- Reassigned Medicare billing, New York enrollment
- 679 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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Tu Nguyen's NPI number?
The NPI number for Tu Nguyen is 1114931961. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is Tu Nguyen located?
Tu Nguyen practices at 9920 Talbert Ave, Fountain Valley, CA 92708. The listed phone number is (714) 378-7000.
What is Tu Nguyen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Tu Nguyen enrolled in Medicare?
Yes. Tu 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 Tu Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tu Nguyen reassigns Medicare benefits to 12 organizations: Cep America - Anesthesia PC (Laguna Hills, CA), Sound Physicians Anesthesiology Of California PC (Murrieta, CA), Palm Springs Anesthesia Services, PC (San Bernardino, CA), Advocate Health And Hospitals Corp. (Eureka, IL), United Memorial Medical Center (Batavia, NY) and 7 more organizations, 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 Tu Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tu Nguyen affiliated with any hospitals?
According to CMS data, Tu Nguyen is affiliated with Advocate Christ Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Tu Nguyen was last updated on April 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Tu V Nguyen, MD · NPI 1114931961
Anesthesiology physician in Fountain Valley, California. Individual provider, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1114931961 (Entity type: Individual)
- **Enumerated:** July 28, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A105350 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9920 TALBERT AVE, Fountain Valley, CA 92708-5153
- **Phone:** (714) 378-7000 · **Fax:** (714) 647-1245
## 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:** 12 organizations under Medicare reassignment (form CMS-855R): Cep America - Anesthesia PC (NPI 1861373631, Laguna Hills, CA); Sound Physicians Anesthesiology Of California PC (NPI 1699408229, Murrieta, CA); Palm Springs Anesthesia Services, PC (NPI 1083928501, San Bernardino, CA); Advocate Health And Hospitals Corp. (NPI 1295066983, Eureka, IL); United Memorial Medical Center (NPI 1508260704, Batavia, NY); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 1997
## Record status
- **NPPES last updated:** April 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1114931961) · Data from the CMS NPPES public registry.