Doctor profile · Federal record

Dr. Justin Chen, MD

Hospitalist Physician · Internal Medicine Physician · Saint Louis, MO

  • NPI 1053761221
  • MIPS 79.3 / 100 · 2023
  • 10 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Div Im Hospitalist
Saint Louis, MO 631101003
(314) 362-1700
fax (314) 362-9878
Mailing address
Po Box 60352
Saint Louis, MO 631600352

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
April 25, 2024
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Missouri #2019022883
Medicaid
MO #200065842

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053761221. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
497
Distinct HCPCS
6
Medicare allowed
$50,153
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 218 77 $118
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 172 83 $78
99239 Hospital discharge day management, more than 30 minutes 35 35 $112
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 30 30 $172
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 25 16 $30
99497 Advance care planning, first 30 minutes 17 11 $75

In context: peer comparison

Among 109 peers in Saint Louis Hospitalist Physician, average services per provider: 96. This provider delivers 5.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$238
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $237.84

By nature of payment

Education
$238

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$141
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 12 0 $141

Frequently asked questions

Auto-generated from federal data
What is Dr. Justin Chen's medical specialty?
Dr. Justin Chen practices Hospitalist Physician in Saint Louis, MO.
Where does Dr. Justin Chen practice?
Dr. Justin Chen practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143621700.
What is Dr. Justin Chen's NPI?
Dr. Justin Chen's National Provider Identifier (NPI) is 1053761221, issued by NPPES.
What procedures does Dr. Justin Chen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.