John Chin Won Kim, MD
Internal Medicine Physician · Orange, CA
John Chin Won Kim, MD is an internal medicine physician with a practice address in Orange, California, and NPI 1902060916, issued on Jul 18, 2008. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Chin Won Kim
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 430109383 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1100W Town And Country RD 1600, Orange, CA 92868
- Phone
- (323) 728-7232
- Enumerated
- Jul 18, 2008
- Record last updated
- Oct 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (657) 218-7496
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify John Chin Won Kim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
190 Medicare Part D claims for 36 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Lisinopril33 claims
- Atorvastatin Calcium18 claims
- Metformin Hcl16 claims
- Gabapentin13 claims
- Clopidogrel11 claims
- Glipizide11 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.
John Chin Won Kim among 17,696 internal medicine physician records in California
John Chin Won Kim, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
187 internal medicine physician records list a practice address in Orange
They are 187 of the 13,245 NPPES records with a practice address in Orange, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Orange → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jane Abdelhadi, M.D.Orange, CA 928681124097100
- Edwin Alexander, M.D.Orange, CA 928681659315752
- Romilla Batra, MDOrange, CA 928681871545038
- Ronald Daoud, M.D.Orange, CA 928681093732992
- Nadia Elihu, M.D.Orange, CA 928681659340156
- Roy Herndon, M.D.Orange, CA 928681417928383
- Deepti Pandita, MDOrange, CA 928681255358727
- Maryam Rahimi, MDOrange, CA 928681043268949
Common questions
What is John Chin Won Kim, MD's NPI number?
John Chin Won Kim, MD's National Provider Identifier (NPI) is 1902060916, issued on Jul 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Chin Won Kim, MD located?
The NPPES record lists a practice address at 1100W Town And Country RD 1600, Orange, CA, 92868. Phone: (323) 728-7232. Providers update this record themselves, so call before visiting.
How can I verify John Chin Won Kim, MD's license?
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 John Chin Won Kim, MD prescribe under Medicare Part D?
In 2024, John Chin Won Kim, MD had 190 Medicare Part D claims for 36 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.