Doctor profile · Federal record

Dr. Joon Young Choi, MD

Pulmonary Disease Physician (CMS: Internal Medicine) · Los Angeles, CA

  • NPI 1629519889
  • Accepts Medicare
  • MIPS 93.8 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2020 Zonal Ave
Los Angeles, CA 900890121
(646) 422-9081

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
October 5, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
California #A158552

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629519889. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34
Distinct HCPCS
1
Medicare allowed
$7,548
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 34 19 $222

In context: peer comparison

Among 45 peers in Los Angeles Pulmonary Disease Physician, average services per provider: 206. This provider delivers 0.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joon Young Choi's medical specialty?
Dr. Joon Young Choi practices Pulmonary Disease Physician in Los Angeles, CA.
Where does Dr. Joon Young Choi practice?
Dr. Joon Young Choi practices at 2020 Zonal Ave, Los Angeles, CA 900890121. Office phone: 6464229081.
What is Dr. Joon Young Choi's NPI?
Dr. Joon Young Choi's National Provider Identifier (NPI) is 1629519889, issued by NPPES.
Does Dr. Joon Young Choi accept Medicare assignment?
Yes. Dr. Joon Young Choi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joon Young Choi commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.