DR. THIEN-TRANG JOANNA NGUYEN M.D.
NPI 1871843243
Surgery - Plastic and Reconstructive Surgery in West Hollywood, CA
About Dr. Thien-trang Joanna Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THIEN-TRANG JOANNA NGUYEN M.D. (NPI 1871843243) is an individual plastic and reconstructive surgery provider in West Hollywood, California, licensed in California (A124152) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Buena Park, and is a graduate of University Of Miami, Lm Miller School Of Medicine (2010).
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. Thien-trang Joanna 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
2Medicare enrollment records show Thien-trang Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Hollywood, CA 90069
- Reassigned Medicare billing, California enrollment
Ridgecrest, CA 93555
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1164067971 (California)
- 143 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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST HOLLYWOOD, CA 90069
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 Thien-trang Nguyen's NPI number?
The NPI number for Thien-trang Nguyen is 1871843243. It was assigned to this individual provider in the NPPES registry on September 13, 2012.
Where is Thien-trang Nguyen located?
Thien-trang Nguyen practices at 9201 W Sunset Blvd Ste 718, West Hollywood, CA 90069. The listed phone number is (310) 737-8592.
What is Thien-trang Nguyen's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Plastic and Reconstructive Surgery, with taxonomy code 2086S0122X.
Is Thien-trang Nguyen enrolled in Medicare?
Yes. Thien-trang 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 Thien-trang Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thien-trang Nguyen reassigns Medicare benefits to 2 organizations: Joanna Nguyen, MD Inc (West Hollywood, CA) and Ridgecrest Regional Hospital (Ridgecrest, 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 Thien-trang 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 Thien-trang Nguyen was last updated on July 14, 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.
# Dr. Thien-Trang Joanna Nguyen, M.D. · NPI 1871843243
Plastic and Reconstructive Surgery physician in West Hollywood, California. Individual provider, active in the CMS NPPES registry since September 13, 2012.
## Identity
- **NPI:** 1871843243 (Entity type: Individual)
- **Enumerated:** September 13, 2012
- **Primary specialty:** Surgery - Plastic and Reconstructive Surgery · taxonomy 2086S0122X
- **State license:** A124152 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9201 W SUNSET BLVD STE 718, West Hollywood, CA 90069-3708
- **Phone:** (310) 737-8592
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Joanna Nguyen, MD Inc (NPI 1689103707, West Hollywood, CA); Ridgecrest Regional Hospital (NPI 1639448400, Ridgecrest, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Miami, Lm Miller School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** July 14, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1871843243) · Data from the CMS NPPES public registry.