GERARD KIM NGUYEN M.D.
NPI 1982946281
Radiology - Diagnostic Radiology in Newport Beach, CA
About Gerard Kim Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GERARD KIM NGUYEN M.D. (NPI 1982946281) is an individual diagnostic radiology provider in Newport Beach, California, licensed in Missouri (A148005) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in Saint Louis, and is a graduate of University Of Southern California Keck School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Gerard Kim 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 Gerard Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Anaheim, CA 92807
- 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.
Areas of Expertise CMS Part B claims 78
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92663 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
NEWPORT BEACH, CA 92663
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 Gerard Nguyen's NPI number?
The NPI number for Gerard Nguyen is 1982946281. It was assigned to this individual provider in the NPPES registry on March 25, 2013.
Where is Gerard Nguyen located?
Gerard Nguyen practices at 1 Hoag Dr, Newport Beach, CA 92663. The listed phone number is (949) 764-5570.
What is Gerard Nguyen's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Gerard Nguyen enrolled in Medicare?
Yes. Gerard 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 Gerard Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gerard Nguyen reassigns Medicare benefits to Southern California Permanente Medical Group (Anaheim, 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 Gerard 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 Gerard Nguyen was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.