Radiation Oncology, Radiologist, Oncology Specialist (cancer)
22 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Timothy O'Leary:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Timothy O'Leary is Good. Dr. O'Leary has been reviewed by 8 patients who have provided 1 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 4.2
Courteous Staff 3.7
Accurate Diagnosis 3.7
Bedside Manner 3.7
Spends Time with Me 3.4
Follows Up After Visit 3.4

Specialties & Research

Dr. Timothy O'Leary, MD is board certified in Radiation Oncology.

  • He has special expertise in 2 areas:
  • Cancer
  • Radiation Oncology

Education & Awards

Dr. O'Leary graduated from Loyola University Chicago, Maywood.


Dr. O'Leary has 17 hospital affiliations:

  • St Anthonys Medical Center 
  • Saint Louis University Hospital 

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Additional Information
Dr. Timothy R O'Leary MD is a male Radiation Oncologist, has 22 years of experience and practices in Radiation Oncology.
Where does Dr. Timothy R. O'Leary practice?
Dr. Timothy O'Leary has 3 office locations.
Dr. Timothy O'Leary practices Radiation Oncology near Festus, MO.
Additional practice locations include: Saint Louis, MO.
See Festus Radiation Oncologists.