DR. DONG WON KIM M.D., PH.D.
NPI 1386816262
Radiology - Radiation Oncology in Ontario, CA
About Dr. Dong Won Kim M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DONG WON KIM M.D., PH.D. (NPI 1386816262) is an individual radiation oncology provider in Ontario, California, licensed in California (A104479) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2003).
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. Dong Won Kim M.d., Ph.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 Dong Kim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1952333460 (California)
- 5,228 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91761 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Dong Kim's NPI number?
The NPI number for Dong Kim is 1386816262. It was assigned to this individual provider in the NPPES registry on March 31, 2008.
Where is Dong Kim located?
Dong Kim practices at 2295 S Vineyard Ave, Ontario, CA 91761. The listed phone number is (909) 724-2020.
What is Dong Kim's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Dong Kim enrolled in Medicare?
Yes. Dong Kim 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 Dong Kim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dong Kim reassigns Medicare benefits to Southern California Permanente Medical Group (Chino Hills, 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 Dong Kim'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 Dong Kim was last updated on November 2, 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.
# Dr. Dong Won Kim, M.D., PH.D. · NPI 1386816262
Radiation Oncology physician in Ontario, California. Individual provider, active in the CMS NPPES registry since March 31, 2008.
## Identity
- **NPI:** 1386816262 (Entity type: Individual)
- **Enumerated:** March 31, 2008
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** A104479 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2295 S VINEYARD AVE, Ontario, CA 91761-7925
- **Phone:** (909) 724-2020
## 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:** Southern California Permanente Medical Group (NPI 1396287082, Chino Hills, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** November 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1386816262) · Data from the CMS NPPES public registry.