Doctor profile · Federal record

Dr. Garwen Chen, MD

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Psychiatry Physician · Student in an Organized Health Care Education/Training Program · Saint Louis, MO

  • NPI 1972959617
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
10018 Kennerly RD
Saint Louis, MO 631282106
(314) 525-7275
Additional location
2211 Mayfair Dr Ste 409
Owensboro, KY 423014570
(270) 417-7980
fax (270) 417-7989
Additional location
908 Wallace Ave Ste 201
Leitchfield, KY 427541495
(270) 230-0212
fax (270) 230-0104
Show 1 more location
Additional location
851 E 5Th St Ste 154
Washington, MO 630903136
(636) 239-8677

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
November 19, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (3)
Missouri #2020042681 · Kentucky #52612 · Oklahoma #37435

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972959617. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
230
Distinct HCPCS
4
Medicare allowed
$25,620
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 89 33 $78
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 57 23 $118
99239 Hospital discharge day management, more than 30 minutes 43 43 $113
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 41 39 $172

In context: peer comparison

Among 55 peers in Saint Louis Psychiatry Physician, average services per provider: 119. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
136
Patients
60
Total drug cost
$5,440
Drug Type Claims Patients Total cost
Olanzapine Generic 33 18 $2,756
Mirtazapine Generic 17 17 $276
Quetiapine Fumarate Generic 16 11 $322
Fluoxetine Hcl Generic 15 0 $276
Risperidone Generic 15 0 $434
Aripiprazole Generic 14 14 $1,182
Levothyroxine Sodium Generic 13 0 $128
Trazodone Hcl Generic 13 0 $67

Frequently asked questions

Auto-generated from federal data
What is Dr. Garwen Chen's medical specialty?
Dr. Garwen Chen practices Psychiatry Physician in Saint Louis, MO.
Where does Dr. Garwen Chen practice?
Dr. Garwen Chen practices at 10018 Kennerly RD, Saint Louis, MO 631282106. Office phone: 3145257275.
What is Dr. Garwen Chen's NPI?
Dr. Garwen Chen's National Provider Identifier (NPI) is 1972959617, issued by NPPES.
Does Dr. Garwen Chen accept Medicare assignment?
Yes. Dr. Garwen Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garwen Chen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.