Doctor profile · Federal record

Dr. Mark Choi, M.D.

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

  • NPI 1124287354
  • Accepts Medicare
  • MIPS 84.1 / 100 · 2023
  • 20 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8700 Beverly Blvd, B220
Los Angeles, CA 900481804
(310) 423-5252
fax (310) 423-8441

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
April 10, 2017
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A103588

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124287354. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
376
Distinct HCPCS
3
Medicare allowed
$49,007
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 270 107 $125
99239 Hospital discharge day management, more than 30 minutes 73 72 $124
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 33 33 $186

In context: peer comparison

Among 62 peers in this city , average services per provider: 112. This provider delivers 3.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Choi's medical specialty?
Dr. Mark Choi practices Hospitalist Physician in Los Angeles, CA.
Where does Dr. Mark Choi practice?
Dr. Mark Choi practices at 8700 Beverly Blvd, Los Angeles, CA 900481804. Office phone: 3104235252.
What is Dr. Mark Choi's NPI?
Dr. Mark Choi's National Provider Identifier (NPI) is 1124287354, issued by NPPES.
Does Dr. Mark Choi accept Medicare assignment?
Yes. Dr. Mark Choi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Choi commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.