DR. TRUNG NGUYEN M.D.
NPI 1316018765
Anesthesiology in Menlo Park, CA
About Dr. Trung Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TRUNG NGUYEN M.D. (NPI 1316018765) is an individual anesthesiology provider in Menlo Park, California, licensed in California (A80585) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Trung 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 Trung Nguyen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fremont, CA 94538
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Los Gatos, CA 95032
- Reassigned Medicare billing, California enrollment
- 140 clinicians in this Medicare group
San Jose, CA 95116
- Reassigned Medicare billing, California enrollment
- 27 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 5
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.
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 Trung Nguyen's NPI number?
The NPI number for Trung Nguyen is 1316018765. It was assigned to this individual provider in the NPPES registry on November 9, 2006.
Where is Trung Nguyen located?
Trung Nguyen practices at 1422 El Camino Real, Menlo Park, CA 94025. The listed phone number is (650) 903-9500.
What is Trung Nguyen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Trung Nguyen enrolled in Medicare?
Yes. Trung 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 Trung Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Trung Nguyen reassigns Medicare benefits to 3 organizations: John Lin, MD, PC (Fremont, CA), G2 Anesthesia PC (Los Gatos, CA) and Silicon Valley Anesthesia Associates, Inc. (San Jose, 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 Trung 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 Trung Nguyen was last updated on June 20, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Trung Nguyen, M.D. · NPI 1316018765
Anesthesiology physician in Menlo Park, California. Individual provider, active in the CMS NPPES registry since November 9, 2006.
## Identity
- **NPI:** 1316018765 (Entity type: Individual)
- **Enumerated:** November 9, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A80585 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1422 EL CAMINO REAL, Menlo Park, CA 94025-4110
- **Phone:** (650) 903-9500 · **Fax:** (650) 903-9900
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): John Lin, MD, PC (NPI 1225765829, Fremont, CA); G2 Anesthesia PC (NPI 1487214698, Los Gatos, CA); Silicon Valley Anesthesia Associates, Inc. (NPI 1427500040, San Jose, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2001
## Record status
- **NPPES last updated:** June 20, 2014
- **Other identifiers:** Medicare ID-Type Unspecified 00A805850 (CA); Medicare UPIN I32828 (CA); Medicaid GR0042170 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1316018765) · Data from the CMS NPPES public registry.