Doctor profile · Federal record

Dr. Brendan O'Connor, MD

Psychiatry Physician (CMS: Psychiatry) · Saint Louis, MO

  • NPI 1114231925
  • MIPS 79.3 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Childrens Pl, Div Child and Adolescent Psychiatry
Saint Louis, MO 631101002
(314) 286-1700
fax (314) 286-1777
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Missouri #2014009108
Medicaid
MO #200013903

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114231925. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
133
Distinct HCPCS
2
Medicare allowed
$11,928
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 117 30 $78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $172

In context: peer comparison

Among 55 peers in this city , average services per provider: 119. This provider delivers 1.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Brendan O'Connor's medical specialty?
Dr. Brendan O'Connor practices Psychiatry Physician in Saint Louis, MO.
Where does Dr. Brendan O'Connor practice?
Dr. Brendan O'Connor practices at 1 Childrens Pl, Saint Louis, MO 631101002. Office phone: 3142861700.
What is Dr. Brendan O'Connor's NPI?
Dr. Brendan O'Connor's National Provider Identifier (NPI) is 1114231925, issued by NPPES.
Does Dr. Brendan O'Connor accept Medicare assignment?
Dr. Brendan O'Connor does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Brendan O'Connor commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.