BRIAN TRUNG NGUYEN MD
NPI 1447577515
Obstetrics & Gynecology - Gynecology in Los Angeles, CA
About Brian Trung Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIAN TRUNG NGUYEN MD (NPI 1447577515) is an individual gynecology provider in Los Angeles, California, licensed in California (144012) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS.
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 (PECOS)
Brian Trung Nguyen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Brian Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Los Angeles, CA 90063
- Reassigned Medicare billing, California enrollment
- 1,939 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90033 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Brian Nguyen's NPI number?
The NPI number for Brian Nguyen is 1447577515. It was assigned to this individual provider in the NPPES registry on April 28, 2010.
Where is Brian Nguyen located?
Brian Nguyen practices at 1500 San Pablo St 3rd Floor, Los Angeles, CA 90033. The listed phone number is (323) 865-3979.
What is Brian Nguyen's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.
Is Brian Nguyen enrolled in Medicare?
Yes. Brian Nguyen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Brian Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Nguyen reassigns Medicare benefits to 2 organizations: Usc Care Medical Group, Inc (Los Angeles, CA) and County Of Los Angeles (Los Angeles, 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 Brian 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 Brian Nguyen was last updated on May 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Brian Trung Nguyen, MD · NPI 1447577515
Gynecology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 28, 2010.
## Identity
- **NPI:** 1447577515 (Entity type: Individual)
- **Enumerated:** April 28, 2010
- **Primary specialty:** Obstetrics & Gynecology - Gynecology · taxonomy 207VG0400X
- **State license:** 144012 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 SAN PABLO ST, 3RD FLOOR, Los Angeles, CA 90033-5313
- **Phone:** (323) 865-3979
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); County Of Los Angeles (NPI 1679061592, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 22, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1447577515) · Data from the CMS NPPES public registry.