Ji Hyun Kim, M.D.
Radiation Oncology Physician · Lancaster, CA
Ji Hyun Kim, M.D. is a radiation oncology physician with a practice address in Lancaster, California, and NPI 1558523217, issued on Jun 25, 2008. Check the license (California A111884, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ji Hyun Kim
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- A111884 CA
Self-reported in NPPES; status is on the state search - Practice location
- 44151 15TH St W Ste 101, Lancaster, CA 93534
- Phone
- (661) 902-5600
- Enumerated
- Jun 25, 2008
- Record last updated
- Mar 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (661) 951-0686
- Medicare enrollment
- Enrolled (PECOS I20140108000444); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 44151 15TH St W Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pedram Aram, M.DUrology Physician1730510579
- Hannah Asghari, MDHematology & Oncology Physician1891114583
- Fornati Bedell, M.D.Urology Physician1700203346
- Brendan Boland, MDSurgical Oncology Physician1790944783
- Kai Dallas, MDUrogynecology and Reconstructive Pelvic Surgery (Urology) Physician1245674480
- Boryana Eastman, M.D., PH.D.Radiation Oncology Physician1316301948
Verify Ji Hyun Kim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A111884Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average radiation oncology physician in 2024
106 Medicare Part D claims for 43 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Tamsulosin Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 99.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- City OF Hope Medical FoundationSouth Pasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ji Hyun Kim among 735 radiation oncology physician records in California
Ji Hyun Kim, M.D. is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 38% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2008 · median 2005 among the 545 with a school on file
- Record last updated2018 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in Lancaster → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Boryana Eastman, M.D., PH.D.Lancaster, CA 935341316301948
- Trevor Lim, M.D.Lancaster, CA 935341669546164
- Yuchi Peng, MDPalmdale, CA 935511023058195
- Artour Torossian, M.D.Palmdale, CA 935511851656953
- James Longo, MDTempleton, CA 934651083606602
- Paul Pagnini, M.D.Templeton, CA 934651225188105
- William Silveira, MDClovis, CA 936111447494398
- Dylan Conroy, MDSanta Maria, CA 934541942761812
Common questions
What is Ji Hyun Kim, M.D.'s NPI number?
Ji Hyun Kim, M.D.'s National Provider Identifier (NPI) is 1558523217, issued on Jun 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ji Hyun Kim, M.D. located?
The NPPES record lists a practice address at 44151 15TH St W Ste 101, Lancaster, CA, 93534. Phone: (661) 902-5600. Providers update this record themselves, so call before visiting.
How can I verify Ji Hyun Kim, M.D.'s license?
NPPES lists California license number A111884, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ji Hyun Kim, M.D. prescribe under Medicare Part D?
In 2024, Ji Hyun Kim, M.D. had 106 Medicare Part D claims for 43 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Ji Hyun Kim, M.D.'s MIPS final score?
The 2023 MIPS final score is 99.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.