Joon Young Choi, MD
Pulmonary Disease Physician · Los Angeles, CA
Joon Young Choi, MD is a pulmonary disease physician with a practice address in Los Angeles, California, and NPI 1629519889, issued on Mar 20, 2017. Check the license (California A158552, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joon Young Choi
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A158552 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2020 Zonal Ave, Los Angeles, CA 90089
- Phone
- (646) 422-9081
- Enumerated
- Mar 20, 2017
- Record last updated
- Oct 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20200403002462); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 2020 Zonal Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alev Brown, M.D.Internal Medicine Physician1689975781
- Blake Brown, M.D.Student in an Organized Health Care Education/Training Program1861752156
Verify Joon Young Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A158552Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
150 Medicare Part D claims for 33 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Trelegy Ellipta36 claims
- Albuterol Sulfate Hfa16 claims
- Dupixent Syringe13 claims
- Prednisone12 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): 100 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 3 group practices
- Martin Luther King JR Community Medical FoundationLos Angeles, CA
- Southern California Permanente Medical GroupBellflower, CA
- Superior Hospitalist Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joon Young Choi among 1,443 pulmonary disease physician records in California
Joon Young Choi, MD is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 7% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2013 · median 2002 among the 1,061 with a school on file
- Record last updated2022 · 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 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Los Angeles → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Leoncio Diaz, M.D.Los Angeles, CA 900891609511161
- Shishir RaoLos Angeles, CA 900891942707880
- Nilo Arnaiz, MDLos Angeles, CA 900951386678498
- John Belperio, MDLos Angeles, CA 900951285659482
- Christopher Cooper, MDLos Angeles, CA 900951588680482
- Steven Dubinett, M.D.Los Angeles, CA 900951144255878
- Tomas Ganz, MDLos Angeles, CA 900951083639264
- Michael Keane, MDLos Angeles, CA 900951124047600
Common questions
What is Joon Young Choi, MD's NPI number?
Joon Young Choi, MD's National Provider Identifier (NPI) is 1629519889, issued on Mar 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Joon Young Choi, MD located?
The NPPES record lists a practice address at 2020 Zonal Ave, Los Angeles, CA, 90089. Phone: (646) 422-9081. Providers update this record themselves, so call before visiting.
How can I verify Joon Young Choi, MD's license?
NPPES lists California license number A158552, 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 Young Choi, MD prescribe under Medicare Part D?
In 2024, Joon Young Choi, MD had 150 Medicare Part D claims for 33 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Joon Young Choi, MD's MIPS final score?
The 2023 MIPS final score is 100 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.