Joon Ho Choung, MD
Internal Medicine Physician · Los Angeles, CA
Joon Ho Choung, MD is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1487999264, issued on Dec 4, 2012. Check the license (California A32344, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Joon Ho Choung
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A32344 CA
Self-reported in NPPES; status is on the state search - Practice location
- 450 Bauchet St, Los Angeles, CA 90012
- Phone
- (213) 893-5100
- Enumerated
- Dec 4, 2012
- Record last updated
- Dec 4, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 450 Bauchet St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Samer Al Haddadin, PHARMD, J.D.Ambulatory Care Pharmacist1023392107
- Aknesa AnanikyanCase Manager/Care Coordinator1548625452
- Vincent AnguloAddiction (Substance Use Disorder) Counselor1154676013
Verify Joon Ho Choung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A32344Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Joon Ho Choung among 17,696 internal medicine physician records in California
Joon Ho Choung, 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 not. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2012 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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
- Paul Chu, M.D.Los Angeles, CA 900121619052628
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- Youjong Ko, MDLos Angeles, CA 900121508934027
- Sandra Lee, M.D.Los Angeles, CA 900121457379786
- George Ma, M.D.Los Angeles, CA 900121528178332
- Meera Modi, M.D.Los Angeles, CA 900121023024916
- Chung Ng, M.D.Los Angeles, CA 900121285708651
- Huan Nguyen, M.D.Los Angeles, CA 900121841224474
Common questions
What is Joon Ho Choung, MD's NPI number?
Joon Ho Choung, MD's National Provider Identifier (NPI) is 1487999264, issued on Dec 4, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Joon Ho Choung, MD located?
The NPPES record lists a practice address at 450 Bauchet St, Los Angeles, CA, 90012. Phone: (213) 893-5100. Providers update this record themselves, so call before visiting.
How can I verify Joon Ho Choung, MD's license?
NPPES lists California license number A32344, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.