Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MICHAEL JAMES O'DAY D.O.
NPI 1376500140
Family Medicine in Saint Louis, MO

Active since April 27, 2006
915 N GRAND BLVD, SAINT LOUIS, MO 63106(314) 652-4100(314) 289-7612 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Michael James O'day D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHAEL JAMES O'DAY D.O. (NPI 1376500140) is an individual family medicine provider in Saint Louis, Missouri, licensed in Missouri (35048) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1376500140
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MICHAEL JAMES O'DAYCredential: D.O.
Location Address915 N GRAND BLVDSaint Louis, MO 63106-1621
Mailing Address719 Briarfarm LnKirkwood, MO 63122-2215 · (314) 652-4100 · Fax (314) 289-7612
Fax(314) 289-7612
Sole ProprietorNo
Enumeration DateApril 27, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1376500140 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in MO · 35048
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
915 N GRAND BLVD, Saint Louis, MO 63106

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Optometrist
915 N GRAND BLVD
SAINT LOUIS, MO 63106
Social Worker
915 N GRAND BLVD
SAINT LOUIS, MO 63106
Internal Medicine
915 N GRAND BLVD
SAINT LOUIS, MO 63106
Nurse Practitioner (Primary Care)
915 N GRAND BLVD
SAINT LOUIS, MO 63106
Registered Nurse
915 N GRAND BLVD
SAINT LOUIS, MO 63106
Emergency Medicine
915 N GRAND BLVD
SAINT LOUIS, MO 63106
Dentist (General Practice)
915 N GRAND BLVD, DENTAL CLINIC
SAINT LOUIS, MO 63106
Nurse Anesthetist, Certified Registered
915 N GRAND BLVD
SAINT LOUIS, MO 63106

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael O'day's NPI number?

The NPI number for Michael O'day is 1376500140. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Where is Michael O'day located?

Michael O'day practices at 915 N Grand Blvd, Saint Louis, MO 63106. The listed phone number is (314) 652-4100.

What is Michael O'day's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Michael O'day was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.