Dr. Markey is a board certified gastroenterologist with over 35 years of practice experience. He has chosen to operate a solo private practice so he can focus on helping patients rather than focusing on running a business. His interpersonal style, care for his patients, and bedside manner are exceptional and distinguish him among his peers.

Dr. Markey attended medical school at Case Western Reserve University, Cleveland, OH. His internship, residency, and fellowship were at Rush Medical Center, Chicago, IL.

Dr. Markey specializes in performing gastroscopy, flexible sigmoidoscopy, and colonoscopy procedures and accepts most insurance, Medicare, and self-pay. Dr. Markey’s billing service is More Than Billing.

If you would like to schedule an office appointment with Dr. Markey, call the Office Coordinator at 773-248-4427 Monday, Tuesday, or Thursday from 7:00 AM to 5:00 PM.

© 2013 - 2014 William Markey, MD


Dr. Markey has retired

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Home Biography Procedures Outpatient Resources

Rush University Medical Center
Professional Building
1725 W Harrison St, Room 837
Chicago, IL 60612

Office Locations

Advocate Illinois Masonic
Professional Building
3000 N Halsted St, Suite 609
Chicago, IL 60657

Office Appointments

Tel: 773-248-4427
Fax: 312-944-2188

Mon, Tue, Thu: 7 AM - 5 PM

Procedure Appointments

Dr. Markey Direct
Email: WSMarkey@gmail.com
Tel: 773-248-4427
Pager: 312-839-9054

William Markey, MD

Gastroenterology & Internal Medicine