Michael D. O'Connor, MD
Pediatrics Physician · St Louis, MO
Michael D. O'Connor, MD is a pediatrics physician with a practice address in St Louis, Missouri, and NPI 1407883622, issued on Jun 26, 2006. Check the license (Missouri 105801, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael D. O'Connor
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 105801 MO
Self-reported in NPPES; status is on the state search - Practice location
- 5701 Delmar Blvd., St Louis, MO 63112
- Phone
- (314) 367-7848
- Enumerated
- Jun 26, 2006
- Record last updated
- Aug 3, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (314) 367-5608
- Entity
- Type 1 · individual
Also registered at 5701 Delmar Blvd.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Chandler, MSN,RNC,WHNPWomen's Health Nurse Practitioner1245344944
- Ramona Edwards, LCSWClinical Social Worker1346542487
- Nillima Ghosh, DOInternal Medicine Physician1922038660
- Morris Joftus, M.D.Internal Medicine Physician1427167576
- Karen Richardson, DDSDentist1659485407
- Donald Schnurpfeil, M.D.Family Medicine Physician1700870441
Verify Michael D. 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 105801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63 pediatrics physician records list a practice address in St Louis
They are 63 of the 1,420 NPPES records with a practice address in St Louis, and 1,560 pediatrics physician records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 63 in St Louis → All 1,560 in Missouri → Every provider in St Louis →
Other pediatrics physician records in Missouri
- Joanna Abaraoha, MDSt Louis, MO1487396537
- Sol Abarca Acevedo, M.D.Kansas City, MO1881482800
- Elaf AbdelmagidSaint Louis, MO1831077627
- Mohamed Aashiq Abdul Ghayum, M.D.Kansas City, MO1881211985
- Elizabeth Abraham, M.D.Saint Louis, MO1467654293
- Moh'd Rawhi Abu Hamad, MDSaint Louis, MO1639741218
- Kennison Adams, MDKansas City, MO1447000567
- Susan Adams, M.D.Saint Louis, MO1437112570
- William Adams, M.D.O Fallon, MO1841281193
- Tiffany Addington, MDKansas City, MO1518161439
Common questions
What is Michael D. O'Connor, MD's NPI number?
Michael D. O'Connor, MD's National Provider Identifier (NPI) is 1407883622, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael D. O'Connor, MD located?
The NPPES record lists a practice address at 5701 Delmar Blvd., St Louis, MO, 63112. Phone: (314) 367-7848. Providers update this record themselves, so call before visiting.
How can I verify Michael D. O'Connor, MD's license?
NPPES lists Missouri license number 105801, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.