3.7
3 Ratings with 1 written Review
Summary
Dr. William Oreilly has practiced internal medicine and oncology for 51 years and is affiliated with Northwestern Medicine Palos Hospital in Palos Heights, Illinois. He earned his medical degree from Loyola University of Chicago Stritch School of Medicine and completed his residency at Rush Presbyterian St. Luke's Medical Center. Patients on Vitals rate Dr. Oreilly 3.67 out of 5.
Overview based on verified provider data
Quick Facts
- 51 years of experience
- 1 insurance plan accepted
- Rush Presbyterian St Lukes Medical Center
- 1 written review
- 2 specialties
- 10 areas of expertise
- 1 hospital affiliation
- 2 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. William Sean Oreilly has 2 locationsCompare with Similar Doctors
 |  | ||
| Dr. William Sean Oreilly, MD | Dr. Michael Chen, MD | Dr. Vanessa Sohn, MD | Dr. Megan J. Romine, DO |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | |||
| 51 Years of Experience | 7 Years of Experience | 14 Years of Experience | 17 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English | |
| Palos Heights , IL | Chicago , IL | Harwood Heights , IL | Chicago , IL |
| Med School: Loyola University Of Chicago Stritch School Of Medicine | Med School: Suny Downstate Medical Center College Of Medicine | Med School: University Of Illinois At Chicago College Of Medicine | Med School: Des Moines University College Of Osteopathic Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. William Sean Oreilly
Medical Specialties
Dr. William Sean Oreilly has the following 2 specialties
Specialty Expertise
Dr. William Sean Oreilly has the following 10 areas of expertise
Certifications, License, & Education
51 Years Experience
Dr. William Sean Oreilly holds an expired medical license in the state of Illinois.
Medical License
Medical Doctor with an expired medical license in the state of Illinois that expired in 2026.
Education & Training
Residency
Completed their residency at Rush Presbyterian St Lukes Medical Center.
Medical School
Graduated from Loyola University Of Chicago Stritch School Of Medicine in 1975.
NPI Number
Dr. Oreilly's NPI number is 1437124625.
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Frequently Asked Questions
- Does Dr. William Oreilly accept my insurance?
- You can see the insurance plans that Dr. William Oreilly accepts on their Vitals profile.
- Which hospitals is Dr. William Oreilly affiliated with?
- Dr. William Oreilly is affiliated with Northwestern Medicine Palos Hospital.
- How can I make an appointment with Dr. William Oreilly?
- You can find contact information for Dr. William Oreilly here on Vitals.
- Is Dr. William Oreilly accepting new patients?
- Dr. William Oreilly has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Where is Dr. William Oreilly's office located?
- Dr. William Oreilly's office is located at 12251 S 80th Ave, Palos Heights, IL, 60463.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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