William Kosmala, M.D.



10758 W 167th St

Orland Park, IL 60467

Closed. Opens Tue at 9 AM

Quick Facts

  • Virtual Telemedicine Visits Available, Call For Details
  • Board Certified Gastroenterologists
  • Currently Accepting New Patients
  • Most Insurance Plans Accepted
  • Performs Colonoscopies

Orland Park, IL

Gastroenterology in Orland Park, IL

Orland Park, IL

10758 W 167th St

Orland Park, IL 60467

Closed. Opens Tue at 9 AM

Request an Appointment

If you are experiencing a medical emergency, please call 9-1-1. This form is intended for non-urgent appointment requests only. Non-emergency requests will be responded to within 24-48 hours.

About William Kosmal, M.D.

Professional Training and Education

Rush University Medical Center, Chicago, Illinois

Fellow, Gastroenterology and Hepatology, Division of Digestive Diseases ~ July 2002 to July 2005

Rush University Medical Center, Chicago, Illinois

•Resident in Internal Medicine ~ July 2000 to June 2002

•Intern in Internal Medicine ~ July 1999 to June 2000

Rush Medical College, Chicago, Illinois

Doctor of Medicine conferred 1999

DePaul University, Chicago, Illinois

Bachelor of Science in Biology conferred 1995

Medical Licensure

Illinois Certificate 036-112741

Board Certification

Diplomate, American Board of Internal Medicine ~ 2002, 2015

Diplomate, American Board of Gastroenterology~ 2005, 2015

Society Membership

American Society of Gastrointestinal Endoscopy

American Gastroenterology Association

American College of Gastroenterology

Chicago Society of Gastroenterology

Research Activities

Bacteremia Rates of Endoscopic Antireflux Procedures. Rush University Medical Center - Dr. Michael D. Brown. Submitted for IRB Approval.

Does Early Endoscopic Ultrasound Improve Outcome in Presumed Gallstone Pancreatitis? Rush University Medical Center - Dr. Sri Komanduri. Submitted for IRB Approval.

Unique G.I. Presentations of Hereditary Angioneurotic Edema. Rush University Medical Center - Dr. Ali Keshavarzian. Submitted for Publication - Case Series.

Endoscopic and Histologic Correlation of Findings in Collagenous Colitis. Rush University Medical Center - Dr. Ali Keshavarzian. Submitted for Publication - Case Report and Case Series.

Hematuria as the Presenting Symptom of Metastatic Hepatocellular Carcinoma. Rush University Medical Center - Dr. Scott Cotler. Submitted for Publication - Case Report.

Significance of “Incidental” PET Scan Activity in the G.I. Tract. Rush University Medical Center - Dr. Ali Keshavarzian. Presented as Abstract - ACG 2002.

Hospital Affiliation

Palos Community Hospital

Silver Cross Hospital

Personal Interests

Hiking, camping, tennis, softball, bowling, drawing and painting.


Excellent physician. Easy to talk to and explained everything thoroughly. Great personality. Friendly receptionists and nurses. Clean office. The full staff helped me with all my questions.

C.W. Google

Excellent GI doctor. Highly recommend. Polite, explains everything, great bedside manner and very professional

D.K. Google

Dr. Kosmala’s thorough and unique examination of my condition was very welcomed by me. He took about 20 minutes just asking questions and then recommended a simple course of action including a change of diet. Then he will be more aggressive once I return in a few months. Very nice man too. Really like his demeanor.

G.P. Google

Great doc to talk too. Great doctor for what i needed performed

R.D. Google

I LOVE Dr. Kosmala! He did a colonoscopy on me today and the experience was very positive. From the nurse's, anesthesiologist, and everyone else were amazing. But Dr. Kosmala is a true gem in my book. GREAT GUY!

P.D. Google


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