Joon W. Kim, M.D.
Internal Medicine Physician · Los Angeles, CA
Joon W. Kim, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1750559100, issued on Feb 19, 2008. Check the license (California A95534, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joon W. Kim
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A95534 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1240 N Mission RD RM L-943, Los Angeles, CA 90033
- Phone
- (323) 226-5707
- Enumerated
- Feb 19, 2008
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111006000750); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Joon W. Kim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A95534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,600 Medicare Part D claims for 1,296 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Gavilyte-C1,201 claims
- Omeprazole61 claims
- Mesalamine43 claims
- Trulance36 claims
- Peg3350-Sod Sul-Nacl-Kcl-Asb-C31 claims
- Pantoprazole Sodium24 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joon W. Kim among 17,696 internal medicine physician records in California
Joon W. Kim, M.D. 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 fileYes · 63% of these records are
- Graduated2004 · median 2004 among the 11,065 with a school on file
- 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ron Ben-Ari, M.D.Los Angeles, CA 900331275562431
- John Brodhead, M.D.Los Angeles, CA 900331760424824
- Bharat Chaudry, M.D.Los Angeles, CA 900331194754374
- William Hardy, M.D.Los Angeles, CA 900331760410518
- Howard Hodis, M.D.Los Angeles, CA 900331407894009
- Eric Hsieh, M.D.Los Angeles, CA 900331811941974
- Jenny Hwang, M.D.Los Angeles, CA 900331578548764
- Michael Karp, M.D.Los Angeles, CA 900331336177229
Common questions
What is Joon W. Kim, M.D.'s NPI number?
Joon W. Kim, M.D.'s National Provider Identifier (NPI) is 1750559100, issued on Feb 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Joon W. Kim, M.D. located?
The NPPES record lists a practice address at 1240 N Mission RD RM L-943, Los Angeles, CA, 90033. Phone: (323) 226-5707. Providers update this record themselves, so call before visiting.
How can I verify Joon W. Kim, M.D.'s license?
NPPES lists California license number A95534, 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 Joon W. Kim, M.D. prescribe under Medicare Part D?
In 2024, Joon W. Kim, M.D. had 1,600 Medicare Part D claims for 1,296 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.