The 20 Best Colonoscopy Doctors near Highland Park, IL

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 04/28/2026

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MediFind found 206 doctor with experience in Colonoscopy near Highland Park, IL. Of these, 174 are Experienced, 29 are Advanced and 1 are Distinguished.

Location
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206 providers found
    Asamad Soudagar
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology
    800 N Westmoreland Rd Ste 100, 
    Lake Forest, IL 
     (5.0 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Asamad Soudagar is a Gastroenterologist in Lake Forest, Illinois. Dr. Soudagar has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Pancreatic Cancer, Bile Duct Obstruction, Bile Duct Stricture, Gastrectomy, and Endoscopy.

    Andrew Mazulis
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Advocate Medical Group Gastroenterology

    825 S Milwaukee Ave, 
    Libertyville, IL 
     (10.0 miles away)
    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.

    Joel Retsky
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Endeavor Health Medical Group

    1777 Green Bay Rd., Suite 201, 
    Highland Park, IL 
     (0.2 miles away)
    Languages Spoken:
    English, Hebrew
    Offers Telehealth

    Joel Retsky, MD, a gastroenterologist at Endeavor Health, specializes in inflammatory bowel disease, including Crohn’s disease and ulcerative colitis, as well as colonoscopy for colon cancer screening. He completed advanced training at the University of Chicago and served on faculty before joining community-based practice. Dr. Retsky is committed to delivering the same level of care he would want for his own family. Dr. Retsky is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Colonoscopy.

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    Shailesh Bajaj
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Endeavor Health Medical Group

    1777 Green Bay Rd., Suite 201, 
    Highland Park, IL 
     (0.2 miles away)
    Languages Spoken:
    English, Hindi
    Offers Telehealth

    Shailesh Bajaj, MD, a gastroenterologist at Endeavor Health, has been caring for patients for more than 17 years. He treats a wide range of digestive conditions, including cancers of the GI tract, and embraces new modalities that improve patient outcomes and comfort. Dr. Bajaj believes in treating every patient with the same care and respect he would offer his own family. Dr. Bajaj is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Cholangitis, Sclerosing Cholangitis, Bile Duct Obstruction, Gastrectomy, and Pancreatectomy.

    Matthew Tick
    Experienced in Colonoscopy
    Gastroenterology | Internal Medicine
    Experienced in Colonoscopy
    Gastroenterology | Internal Medicine

    Endeavor Health Medical Group

    1777 Green Bay Rd., Suite 201, 
    Highland Park, IL 
     (0.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Tick, DO, a gastroenterologist at Endeavor Health, treats patients with a wide range of digestive disorders and embraces innovation to improve care. He values getting to know his patients and ensuring they feel heard, informed and empowered throughout their treatment journey. Dr. Tick is particularly interested in new GI therapies and technologies that offer more effective options for healing. Dr. Tick is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hemorrhoids, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Colonoscopy.

    Omar Khan
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Endeavor Health Medical Group

    757 Park Ave. West, Suite 2850, 
    Highland Park, IL 
     (0.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Omar Khan, MD, a gastroenterologist at Endeavor Health, specializes in inflammatory bowel disease, including Crohn’s disease, ulcerative colitis and hereditary colorectal cancer syndromes. He takes a personal, team-based approach to care, helping patients manage their condition through all stages of health. Dr. Khan is also passionate about advancing predictive tools to better match treatments with individual needs. Dr. Khan is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hemorrhagic Proctocolitis, Ulcerative Colitis, Crohn's Disease, Gastrectomy, and Endoscopy.

    Nicholas Zwang
    Experienced in Colonoscopy
    Internal Medicine | Nephrology
    Experienced in Colonoscopy
    Internal Medicine | Nephrology

    Endeavor Health Medical Group

    777 Park Ave. West, IM Hospitalists, 
    Highland Park, IL 
     (0.4 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English

    Nicholas A. Zwang, MD, an internal medicine and nephrology physician at Endeavor Health, provides care for adults with a focus on kidney health and overall wellbeing. He evaluates and manages acute and chronic kidney conditions, collaborates with specialists to address complex health needs and supports patients through ongoing disease management. Dr. Zwang combines expertise in internal medicine with nephrology to deliver comprehensive care tailored to each patient’s health goals. Dr. Zwang is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Acute Kidney Failure, Necrosis, Heart Failure with Preserved Ejection Fraction (HFpEF), Prostatectomy, and Ureteroscopy.

    Lesley Rhee
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Endeavor Health Medical Group

    757 Park Ave. West, Suite 2850, 
    Highland Park, IL 
     (0.4 miles away)
    Languages Spoken:
    English

    Lesley Rhee, MD, a gastroenterologist at Endeavor Health, evaluates and treats conditions affecting the digestive system, including the esophagus, stomach, intestines and liver. She provides diagnostic procedures and therapeutic care to support patients in managing gastrointestinal health. Dr. Rhee is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Hemorrhoids, Endoscopy, and Gastrectomy.

    Gene Chiao
    Experienced in Colonoscopy
    Gastroenterology | Pharmacology
    Experienced in Colonoscopy
    Gastroenterology | Pharmacology

    Comprehensive Gastrointestinal Health

    40 Skokie Blvd., Suite 110, 
    Northbrook, IL 
     (2.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Gene Chiao is a Pharmacologist and a Gastroenterologist in Northbrook, Illinois. Dr. Chiao is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Irritable Bowel Syndrome (IBS), Heartburn, Benign Esophageal Stricture, Colonoscopy, and Gastrectomy.

    Tara Troy
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Comprehensive Gastrointestinal Health

    40 Skokie Blvd., Suite 110, 
    Northbrook, IL 
     (2.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Tara Troy is a Gastroenterologist in Northbrook, Illinois. Dr. Troy is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Hemorrhoids, Gas Bloat Syndrome, Heartburn, Colonoscopy, and Endoscopy.

    Jeffrey Nathanson
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Comprehensive Gastrointestinal Health

    40 Skokie Blvd., Suite 110, 
    Northbrook, IL 
     (2.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jeffrey Nathanson is a Gastroenterologist in Northbrook, Illinois. Dr. Nathanson is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Irritable Bowel Syndrome (IBS), Heartburn, Gas Bloat Syndrome, Endoscopy, and Gastrectomy.

    Aaron Cohn
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    350 S Waukegan Rd Ste 100, 
    Deerfield, IL 
     (4.0 miles away)
    Experience:
    15+ years
    Languages Spoken:
    English
    Offers Telehealth

    Aaron Cohn is a Gastroenterologist in Deerfield, Illinois. Dr. Cohn has been practicing medicine for over 15 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Crohn's Disease, Esophagitis, Esophageal Varices, Colonoscopy, and Endoscopy.

    Distinguished in Colonoscopy
    Gastroenterology
    Distinguished in Colonoscopy
    Gastroenterology

    Uchicago Medicine Northbrook-Urogynecology And Pelvic Reconstructive Surgery

    400 Skokie Blvd Ste 300, 
    Northbrook, IL 
     (4.5 miles away)
    Languages Spoken:
    English

    David Rubin is a Gastroenterologist in Northbrook, Illinois. Dr. Rubin is rated as a Distinguished provider by MediFind in Colonoscopy. His top areas of expertise are Ulcerative Colitis, Crohn's Disease, Viral Gastroenteritis, Ileostomy, and Endoscopy.

    Alexander S. Tosiou
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    800 N Westmoreland Rd Ste 100, 
    Lake Forest, IL 
     (5.0 miles away)
    Experience:
    33+ years
    Languages Spoken:
    English

    Alexander Tosiou is a Gastroenterologist in Lake Forest, Illinois. Dr. Tosiou has been practicing medicine for over 33 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Lower Esophageal Ring, Benign Esophageal Stricture, Diarrhea, Gastrectomy, and Endoscopy.

    Frank G. Martini
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    800 N Westmoreland Rd Ste 100, 
    Lake Forest, IL 
     (5.0 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English
    Offers Telehealth

    Frank Martini is a Gastroenterologist in Lake Forest, Illinois. Dr. Martini 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 Diverticular Disease, Visceromegaly, Collagenous Colitis, Endoscopy, and Gastrectomy.

    Saleh M. Eftaiha
    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery
    800 N Westmoreland Rd Ste 100, 
    Lake Forest, IL 
     (5.0 miles away)
    Experience:
    14+ years
    Languages Spoken:
    English
    Offers Telehealth

    Saleh Eftaiha is a Colorectal Surgeon in Lake Forest, Illinois. Dr. Eftaiha has been practicing medicine for over 14 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Diverticular Disease, Anal Fissure, Ogilvie Syndrome, Small Bowel Resection, and Sacral Nerve Stimulation.

    Richard A. Margolin
    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    Advocate Medical Group Lincolnshire 100 Village Green

    100 Village Green Dr, Ste 120, 
    Lincolnshire, IL 
     (6.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Richard Margolin is a primary care provider, practicing in Family Medicine in Lincolnshire, Illinois. Dr. Margolin is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Sepsis, Gastrostomy, and Hip Replacement.

    Igor Naryzhny
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Advocate Medical Group Gastroenterology

    255 Parkway Dr, 
    Lincolnshire, IL 
     (6.4 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Igor Naryzhny is a Gastroenterologist in Lincolnshire, Illinois. Dr. Naryzhny has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Swallowing Difficulty, Painful Swallowing, Ascites, Gastrectomy, and Colonoscopy.

    Jonathan Williams
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Gastroenterology Consultants Of The North Shore

    2050 Pfingsten Rd., Suite 105, 
    Glenview, IL 
     (6.7 miles away)
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    Jonathan Williams is a Gastroenterologist in Glenview, Illinois. Dr. Williams is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastric Dysmotility, Tenesmus, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy.

    Michael Hersh
    Advanced in Colonoscopy
    Gastroenterology | Internal Medicine
    Advanced in Colonoscopy
    Gastroenterology | Internal Medicine

    Endeavor Health Medical Group

    15 S. McHenry Rd., 3rd Floor, 
    Buffalo Grove, IL 
     (8.3 miles away)
    Languages Spoken:
    English

    Michael Hersh, MD, a gastroenterologist and internal medicine physician at Endeavor Health, specializes in diagnosing and treating disorders of the digestive tract. He offers a range of procedures, including colonoscopy and upper endoscopy, and emphasizes the importance of routine screening and early detection. Dr. Hersh takes a problem-solving approach, helping patients understand their symptoms and guiding them through both prevention and treatment. Dr. Hersh is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Irritable Bowel Syndrome (IBS), Familial Adenomatous Polyposis, Turcot Syndrome, Colonoscopy, and Gastrectomy.

    Showing 1-20 of 206

    Last Updated: 04/28/2026

    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 near Highland Park, IL?

    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 near Highland Park, IL?

    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 near Highland Park, IL?

    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 near Highland Park, IL?

    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 near Highland Park, IL?

    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 near Highland Park, IL?

    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 near Highland Park, IL?

    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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