0 reviews
Summary
Dr. Oleyar graduated from the Michigan State University College of Osteopathic Medicine in 2010. He works in Chicago, IL and 2 other locations and specializes in Anesthesiology and Internal Medicine. Dr. Oleyar is affiliated with Endeavor Health Northwest Community Hospital, Northwestern Memorial Hospital, Advocate Illinois Masonic Medical Center, West Suburban Medical Center, Aurora Saint Lukes Medical Center and Froedtert Lutheran Memorial Hospital.
Quick Facts
- 16 years of experience
- Johns Hopkins Health System
- 2 specialties
- 2 areas of expertise
- 2 board certifications
- 6 hospital affiliations
- 4 office locations
- Male
Office Locations
Dr. Michael Joseph Oleyar has 4 locationsGastroenterology And Hepatology - Froedtert Hospital
8850 William Coffey DrWauwatosa, WI 53226Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Michael Joseph Oleyar, DO | Dr. Harley C Brooks, MD | Dr. Vemuri S Murthy, MD | Dr. Rebecca Ang Lim, MD |
| Anesthesiology | Adolescent Medicine | Anesthesiology | Anesthesiology |
| 16 Years of Experience | 31 Years of Experience | 60 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Chicago , IL | Chicago , IL | Park Ridge , IL | Melrose Park , IL |
| Med School: Michigan State University College Of Osteopathic Medicine | Med School: University Of Alabama School Of Medicine | Med School: University Of Santo Tomas Faculty Of Medicine And Surgery | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Michael Joseph Oleyar
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Michael Joseph Oleyar has the following 2 specialties
Specialty Expertise
Dr. Michael Joseph Oleyar has the following 2 areas of expertise
Certifications, License, & Education
16 Years Experience
Dr. Michael Joseph Oleyar holds an active medical license in the states of Illinois and Wisconsin.
Medical License
Doctor Of Osteopathy with an active medical license in the state of Illinois that expires in 2026 and an active medical license in the state of Wisconsin that expires in 2027.
Education & Training
Residency
Completed their residency at Johns Hopkins Health System.
Medical School
Graduated from Michigan State University College Of Osteopathic Medicine in 2010.
NPI Number
Dr. Oleyar's NPI number is 1386969848.
Similar doctors
Frequently Asked Questions
- Is Dr. Michael Oleyar accepting new patients?
- Dr. Michael Oleyar has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. Michael Oleyar affiliated with?
- Dr. Michael Oleyar is affiliated with Endeavor Health Northwest Community Hospital, Northwestern Memorial Hospital, Advocate Illinois Masonic Medical Center, West Suburban Medical Center, Aurora Saint Lukes Medical Center, and Froedtert Lutheran Memorial Hospital.
- Does Dr. Michael Oleyar accept my insurance?
- You can see the insurance plans that Dr. Michael Oleyar accepts on their Vitals profile.
- Does Dr. Michael Oleyar accept virtual/telehealth appointments?
- Dr. Michael Oleyar has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Michael Oleyar's office located?
- Dr. Michael Oleyar's office is located at 836 W Wellington Ave, Chicago, IL, 60657.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.


