DR. CAROLYN V NGUYEN M.D.
NPI 1962731281
Otolaryngology - Pediatric Otolaryngology in Los Angeles, CA
About Dr. Carolyn V Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CAROLYN V NGUYEN M.D. (NPI 1962731281) is an individual pediatric otolaryngology provider in Los Angeles, California, licensed in California (A115353) and active in the NPI registry since December 2009. She is enrolled in Medicare PECOS and is a graduate of Vanderbilt University School Of Medicine (2005).
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 and accepts Medicare assignment
Dr. Carolyn V 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 Reassignment
Medicare enrollment records show Carolyn Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1396287082 (California)
- 13,921 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 Carolyn Nguyen's NPI number?
The NPI number for Carolyn Nguyen is 1962731281. It was assigned to this individual provider in the NPPES registry on December 15, 2009.
Where is Carolyn Nguyen located?
Carolyn Nguyen practices at 4900 W Sunset Blvd 6th Floor, Los Angeles, CA 90027. The listed phone number is (323) 783-6151.
What is Carolyn Nguyen's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is Carolyn Nguyen enrolled in Medicare?
Yes. Carolyn 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 organization bills Medicare for Carolyn Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Nguyen reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, CA). The 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 Carolyn 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 Carolyn Nguyen was last updated on November 30, 2021. 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.