The 20 Best Colonoscopy Doctors in Illinois, US

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 02/22/2026

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MediFind found 1308 doctor with experience in Colonoscopy near Illinois, US. Of these, 1160 are Experienced, 140 are Advanced, 3 are Distinguished and 2 are Elite.

Location
LocationClose
1,308 providers found
    Rajesh N. Keswani
    Elite in Colonoscopy
    Gastroenterology
    Elite in Colonoscopy
    Gastroenterology
    259 E Erie St Ste 1600, Lavin Family Pavilion, 
    Chicago, IL 
    Experience:
    25+ years
    Languages Spoken:
    English
    Offers Telehealth

    Rajesh Keswani is a Gastroenterologist in Chicago, Illinois. Dr. Keswani has been practicing medicine for over 25 years and is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are Bile Duct Obstruction, Cholestasis, Acute Pancreatitis, Colonoscopy, and Endoscopy.

    Elite in Colonoscopy
    Elite in Colonoscopy

    University Of Chicago Medical Center

    5841 S Maryland Ave, 
    Chicago,, IL 
    Languages Spoken:
    English

    Prateek Sharma is a Cardiologist in Chicago,, Illinois. Dr. Sharma is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are COVID-19, Gastroesophageal Junction Cancer, Patent Foramen Ovale, Endoscopy, and Colonoscopy.

    Rogelio Silva
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Advocate Medical Group Gastroenterology

    10500 S Cicero Ave, 
    Oak Lawn, IL 
    Languages Spoken:
    English

    Rogelio Silva is a Gastroenterologist in Oak Lawn, Illinois. Dr. Silva is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastrointestinal Bleeding, Chronic Erosive Gastritis, Angiodysplasia of the Colon, Gastrectomy, and Gastrostomy.

    Learn about our expert tiers
    Andrew Mazulis
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Advocate Medical Group Gastroenterology

    825 S Milwaukee Ave, 
    Libertyville, IL 
    Languages Spoken:
    English

    Andrew Mazulis is a Gastroenterologist in Libertyville, Illinois. Dr. Mazulis is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Sclerosing Mesenteritis, Viral Gastroenteritis, Gastrointestinal Bleeding, Colonoscopy, and Endoscopy.

    Imad Elkhatib
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Advocate Medical Group Gastroenterology

    10500 S Cicero Ave, 
    Oak Lawn, IL 
    Languages Spoken:
    English, Arabic
    Offers Telehealth

    Imad Elkhatib is a Gastroenterologist in Oak Lawn, Illinois. Dr. Elkhatib is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Cholestasis, Bile Duct Obstruction, Bile Duct Stricture, Endoscopy, and Gastrectomy.

    Hareth Raddawi
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Advocate Medical Group Gastroenterology

    10500 S Cicero Ave, 
    Oak Lawn, IL 
    Languages Spoken:
    English

    Hareth Raddawi is a Gastroenterologist in Oak Lawn, Illinois. Dr. Raddawi is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastrointestinal Bleeding, Bile Duct Obstruction, Cholestasis, Gastrectomy, and Endoscopy.

    Nadia K. Bozanich
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Advocate Medical Group Gastroenterology

    17850 Kedzie Ave, Ste 3500, 
    Hazel Crest, IL 
    Languages Spoken:
    English

    Nadia Bozanich is a Gastroenterologist in Hazel Crest, Illinois. Dr. Bozanich is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Hemorrhoids, Angiodysplasia of the Colon, Diverticular Disease, Gastrectomy, and Colonoscopy.

    Ravi Prakash
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Advocate Medical Group General Surgery

    3743 Highland Ave, Ste 1002, 
    Downers Grove, IL 
    Languages Spoken:
    English
    Offers Telehealth

    Ravi Prakash is a Gastroenterologist in Downers Grove, Illinois. Dr. Prakash is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Choledocholithiasis, Gastrointestinal Stromal Tumor, Hereditary Pancreatitis, Gastrectomy, and Colonoscopy.

    Amar Bansal
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Advocate Medical Group Gastroenterology

    1221 N Highland Ave 2nd Fl, 
    Aurora, IL 
    Languages Spoken:
    English

    Amar Bansal is a Gastroenterologist in Aurora, Illinois. Dr. Bansal is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Heartburn, Barrett Esophagus, Indigestion, Gastrectomy, and Colonoscopy.

    Amer Husseini
    Experienced in Colonoscopy
    Experienced in Colonoscopy

    Advocate Heart Institute

    Chicago, IL 
    Languages Spoken:
    English
    Offers Telehealth

    Amer Husseini is a Cardiologist in Chicago, Illinois. Dr. Husseini is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Cor Pulmonale, Glucocorticoid-Remediable Aldosteronism, Hypertension, Colonoscopy, and Advanced Bronchoscopy.

    James R. O'donnell
    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery

    Advocate Medical Group General Surgery

    9550 W 167th St, 
    Orland Park, IL 
    Languages Spoken:
    English

    James O'donnell is a General Surgeon in Orland Park, Illinois. Dr. O'donnell is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hernia, Cholecystitis, Gallbladder Disease, Colostomy, and Gastrostomy.

    Rodney Thill
    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery

    Advocate Medical Group General Surgery

    4400 W 95th St, Ste 413, 
    Oak Lawn, IL 
    Languages Spoken:
    English

    Rodney Thill is a General Surgeon in Oak Lawn, Illinois. Dr. Thill is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Colorectal Cancer, Hernia, Gallbladder Disease, Colostomy, and Hernia Surgery.

    Kabir Julka
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Advocate Medical Group Gastroenterology

    1221 N Highland Ave 2nd Fl, 
    Aurora, IL 
    Languages Spoken:
    English

    Kabir Julka is a Gastroenterologist in Aurora, Illinois. Dr. Julka is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Barrett Esophagus, Diverticular Disease, Crohn's Disease, Gastrectomy, and Endoscopy.

    Karen Ma
    Distinguished in Colonoscopy
    Gastroenterology | Internal Medicine
    Distinguished in Colonoscopy
    Gastroenterology | Internal Medicine

    Endeavor Health Medical Group

    155 E. Brush Hill Rd., Hospital Medicine, 
    Elmhurst, IL 
    Languages Spoken:
    English

    Karen Ma, MD, a gastroenterologist at Endeavor Health, evaluates and treats conditions affecting the digestive system, including the stomach, intestines, liver and pancreas. She uses advanced diagnostic and therapeutic techniques to support long-term digestive health. Dr. Ma is rated as a Distinguished provider by MediFind in Colonoscopy. Her top areas of expertise are Colorectal Cancer, Angiodysplasia of the Colon, Gastrointestinal Bleeding, Colonoscopy, and Endoscopy.

    Jennie S. Ng
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology
    40 S. Clay St., East Building, Suite 130, 
    Hinsdale, IL 
    Experience:
    25+ years
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    As your physician, I consider it my privilege to walk alongside of you as you navigate through your health issues. My goal is to help you gain a better understanding of your digestive system and how it can affect your daily life, using clinically based evidence to help find answers and preventive measures that will lead to a better quality of life. Dr. Ng is rated as an Advanced provider by MediFind in Colonoscopy. Her top areas of expertise are Angiodysplasia of the Colon, Colitis, Esophagitis, Colonoscopy, and Gastrectomy.

    Jason G. Bill
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    OSF Medical Group - Gastroenterology

    5105 North Glen Park Place Road, 
    Peoria, IL 
    Languages Spoken:
    English

    Jason Bill is a Gastroenterologist in Peoria, Illinois. Dr. Bill is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Esophageal Cancer, Insulinoma, Acute Pancreatitis, Endoscopy, and Colonoscopy.

    Raza S. Hamdani
    Experienced in Colonoscopy
    Gastroenterology | Internal Medicine
    Experienced in Colonoscopy
    Gastroenterology | Internal Medicine

    OSF Medical Group - Gastroenterology

    3375 North Seminary Street Upper Level, 
    Galesburg, IL 
    Experience:
    44+ years
    Languages Spoken:
    English, Urdu
    Offers Telehealth

    Raza Hamdani is an Internal Medicine specialist and a Gastroenterologist in Galesburg, Illinois. Dr. Hamdani has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hepatitis, Alcoholic Cirrhosis, Enlarged Liver, Endoscopy, and Gastrectomy.

    Steven S. Kim
    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery

    OSF Medical Group - Surgery

    5668 East State Street Suite 1000, 
    Rockford, IL 
    Languages Spoken:
    English, Korean

    Steven Kim is a General Surgeon in Rockford, Illinois. Dr. Kim is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hernia, Familial Colorectal Cancer, Gallbladder Disease, Hernia Surgery, and Colonoscopy.

    David A. Olmstead
    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Advocate Medical Group Internal Medicine

    9550 W 167th St, 
    Orland Park, IL 
    Languages Spoken:
    English
    Offers Telehealth

    David Olmstead is a primary care provider, practicing in Internal Medicine in Orland Park, Illinois. Dr. Olmstead is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Hypertensive Heart Disease, Colonoscopy, and Bone Marrow Aspiration.

    Fadi M. Mustapha
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    OSF Saint Katharine - Gastroenterology

    215 East 1st Street Suite 212, 
    Dixon, IL 
    Languages Spoken:
    English

    Fadi Mustapha is a Gastroenterologist in Dixon, Illinois. Dr. Mustapha is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Colitis, Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

    Showing 1-20 of 1,308

    Last Updated: 02/22/2026

    What is the definition of Colonoscopy?

    A colonoscopy is an exam that views the inside of the colon (large intestine) and rectum, using a tool called a colonoscope.

    The colonoscope has a small camera attached to a flexible tube that can reach the entire length of the colon.

    When should I see a Colonoscopy doctor in Illinois, US?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Colonoscopy doctor in Illinois, US?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Colonoscopy doctors in Illinois, US?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Colonoscopy doctors in Illinois, US?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Colonoscopy doctor in Illinois, US?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Colonoscopy doctor search results page. 

    Why is it important to get a second opinion from a different Colonoscopy doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Colonoscopy doctor in Illinois, US?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Colonoscopy doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Colonoscopy doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Colonoscopy doctors in Illinois, US?

    Look for the filter feature on the left side of the Colonoscopy doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Colonoscopy doctor that offers video calls?

    Look for the filter feature on the left-side of the Colonoscopy doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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