Brendan Joseph O'Connor, MD
Psychiatry Physician · Saint Louis, MO
Brendan Joseph O'Connor, MD is a psychiatry physician with a practice address in Saint Louis, Missouri, and NPI 1114231925, issued on Aug 4, 2010. Check the license (Missouri 2014009108, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Brendan Joseph O'Connor
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 2014009108 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Childrens PL, Saint Louis, MO 63110
- Phone
- (314) 286-1700
- Enumerated
- Aug 4, 2010
- Record last updated
- Apr 17, 2025
- Fax
- (314) 286-1777
- Medicaid ID
- 200013903 MO
- Medicare enrollment
- Enrolled (PECOS I20140528001778); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 965 in Missouri → Look up another NPI →
Also registered at 1 Childrens PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Abdelbaki, MDPediatric Hematology & Oncology Physician1508021361
- Christi Abeln, PNPPediatric Nurse Practitioner1023034253
- Loren Abernathy, PNPPediatric Nurse Practitioner1215583117
- Freddy-May Abisamra, CGCGenetic Counselor (M.S.)1306538111
- Manjusha Abraham, MDPediatric Critical Care Medicine Physician1508126699
- Philip Abraham, MDHospitalist Physician1720309016
Verify Brendan Joseph O'Connor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2014009108Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brendan Joseph O'Connor among 965 psychiatry physician records in Missouri
Brendan Joseph O'Connor, MD is one of 965 psychiatry physician records with a practice address in Missouri. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 57% of them.
- NPI issued2010 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2010 · median 2003 among the 474 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Missouri
There are 965 psychiatry physician records in Missouri.
All 965 in Missouri → Every provider in Saint Louis → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Laura Bierut, MDSaint Louis, MO 631101750307070
- Kevin Black, MDSaint Louis, MO 631101558389007
- Claude Cloninger, MDSaint Louis, MO 631101457379877
- Charles Conway, MDSaint Louis, MO 631101497771356
- Nuri Farber, MDSaint Louis, MO 631101487672804
- Melissa Harbit, MDSaint Louis, MO 631101295751410
- Michael Jarvis, MDSaint Louis, MO 631101801814223
- Eric Lenze, MDSaint Louis, MO 631101619941846
Common questions
What is Brendan Joseph O'Connor, MD's NPI number?
Brendan Joseph O'Connor, MD's National Provider Identifier (NPI) is 1114231925, issued on Aug 4, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Brendan Joseph O'Connor, MD located?
The NPPES record lists a practice address at 1 Childrens PL, Saint Louis, MO, 63110. Phone: (314) 286-1700. Providers update this record themselves, so call before visiting.
How can I verify Brendan Joseph O'Connor, MD's license?
NPPES lists Missouri license number 2014009108, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Brendan Joseph O'Connor, MD's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.