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ROBERT SUNG GIL KWON MD
NPI 1841294337
Radiology - Radiation Oncology in Laguna Hills, CA

Active since June 13, 2005PECOS EnrolledAccepts Medicare Assignment
24302 PASEO DE VALENCIA, LAGUNA HILLS, CA 92653(949) 452-8880 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 29, 2026, Apr 14, 2026, Mar 9, 2026 and 3 more (6 updates tracked since 2016).

About Robert Sung Gil Kwon Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT SUNG GIL KWON MD (NPI 1841294337) is an individual radiation oncology provider in Laguna Hills, California, licensed in California (A63998) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (1995).

NPPES Registry Identity

NPI1841294337
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameROBERT SUNG GIL KWONCredential: MD
Location Address24302 PASEO DE VALENCIALaguna Hills, CA 92653-3115
Mailing Address24302 Paseo De ValenciaLaguna Hills, CA 92653-3115 · (949) 452-8880
Phone(949) 452-8880
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 1995
Enumeration DateJune 13, 2005
Last NPPES UpdateApril 29, 20266 updates tracked since enumeration
NPPES CertifiedApril 29, 2026
✔ NPI 1841294337 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in CA · A63998
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
24302 PASEO DE VALENCIA, Laguna Hills, CA 92653
Open in Google Maps ↗

Other Identifiers 4

Other4144250CA · Cigna
OtherP01730037CA · Rr Medicare
Other7060429CA · Aetna
Medicaid00A639980CA

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

Robert Sung Gil Kwon Md 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 ID8123097524
PECOS Enrollment IDI20041001000677
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 Robert Kwon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Memorialcare Medical Foundation
16 mi
Clinic/Center
17360 BROOKHURST ST
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 948 clinicians in this Medicare group
NPI 1205167350 (877) 696-3622

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 92653 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LINDA CHAN M.D.
Radiology (Radiation Oncology)
24302 PASEO DE VALENCIA
LAGUNA HILLS, CA 92653
Orange County (949) 452-8880
MEMORIAL RADIATION ONCOLOGY MEDICAL
Radiology (Radiation Oncology)
24302 PASEO DE VALENCIA
LAGUNA HILLS, CA 92653
Orange County (949) 452-8880
ALICIA SCOCCHIA M.S., L.C.G.C.
Genetic Counselor, MS
24302 PASEO DE VALENCIA
LAGUNA HILLS, CA 92653
Orange County (949) 452-8852
SADDLEBACK OUTPATIENT SURGERY CENTER LTD
Clinic/Center (Ambulatory Surgical)
24302 PASEO DE VALENCIA
LAGUNA HILLS, CA 92653
Orange County (949) 472-0244
MEMORIALCARE HEALTH SYSTEM
Genetic Counselor, MS
24302 PASEO DE VALENCIA
LAGUNA HILLS, CA 92653
Orange County (949) 452-8854
DR. ANDREW ZHANG MD
Radiology (Radiation Oncology)
24302 PASEO DE VALENCIA
LAGUNA HILLS, CA 92653
Orange County (949) 452-8880
MRS. KAVALJIT K CHAHAL N.P.
Nurse Practitioner
24302 PASEO DE VALENCIA, SUITE 200
LAGUNA HILLS, CA 92653
Orange County (949) 458-8252

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 Robert Kwon's NPI number?

The NPI number for Robert Kwon is 1841294337. It was assigned to this individual provider in the NPPES registry on June 13, 2005.

Where is Robert Kwon located?

Robert Kwon practices at 24302 Paseo De Valencia, Laguna Hills, CA 92653. The listed phone number is (949) 452-8880.

What is Robert Kwon's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Robert Kwon enrolled in Medicare?

Yes. Robert Kwon 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 Robert Kwon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Kwon reassigns Medicare benefits to Memorialcare Medical Foundation (Fountain Valley, 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 Robert Kwon'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 Robert Kwon was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.