DR. CAROLYN V NGUYEN M.D.
NPI 1962731281
Otolaryngology - Pediatric Otolaryngology in Los Angeles, CA

Active since December 15, 2009PECOS EnrolledAccepts Medicare Assignment
4900 W SUNSET BLVD, 6TH FLOOR, LOS ANGELES, CA 90027(323) 783-6151 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1962731281
Entity TypeIndividualFemale
Primary Taxonomy207YP0228X
Provider Legal NameDR. CAROLYN V NGUYENCredential: M.D.
Location Address4900 W SUNSET BLVD, 6TH FLOORLos Angeles, CA 90027-5814
Mailing Address4900 W Sunset Blvd, 6th FloorLos Angeles, CA 90027-5814 · (323) 783-6151
Sole ProprietorYes
Medical School CMSVanderbilt University School Of MedicineGraduated 2005
Enumeration DateDecember 15, 2009
Last NPPES UpdateNovember 30, 2021
NPPES CertifiedNovember 30, 2021
✔ NPI 1962731281 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngology · Pediatric OtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207YP0228X
Licenses✔ Licensed in CA · A115353✔ Licensed in PA · MD439609✔ Licensed in PA · MT197146
Definition
A pediatric otolaryngologist has special expertise in the management of infants and children with disorders that include congenital and acquired conditions involving the aerodigestive tract, nose and paranasal sinuses, the ear and other areas of the head and neck. The pediatric otolaryngologist has special skills in the diagnosis, treatment, and management of childhood disorders of voice, speech, language and hearing.
4900 W SUNSET BLVD, Los Angeles, CA 90027

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.

PECOS PAC ID2668632175
PECOS Enrollment IDI20120320000978
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Health Maintenance Organization
4760 W SUNSET BLVD
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.

Genetic Counselor, MS
4900 W SUNSET BLVD, GENETICS DEPARTMENT, 3RD FLOOR
LOS ANGELES, CA 90027
Obstetrics & Gynecology
4900 W SUNSET BLVD, FIFTH FLOOR
LOS ANGELES, CA 90027
Obstetrics & Gynecology (Obstetrics)
4900 W SUNSET BLVD
LOS ANGELES, CA 90027
Pharmacist
4900 W SUNSET BLVD, SUITE 164
LOS ANGELES, CA 90027
Obstetrics & Gynecology
4900 W SUNSET BLVD
LOS ANGELES, CA 90027
Obstetrics & Gynecology
4900 W SUNSET BLVD
LOS ANGELES, CA 90027
Urology
4900 W SUNSET BLVD, 2ND FLOOR
LOS ANGELES, CA 90027
Genetic Counselor, MS
4900 W SUNSET BLVD, 3RD FLOOR GENETICS
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.