The 20 Best Colonoscopy Doctors near Downers Grove, IL

Find the Experts and Specialists who perform Colonoscopy

The 20 Best Colonoscopy Doctors near Downers Grove, IL

Last Updated: 02/22/2026

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MediFind found 249 doctor with experience in Colonoscopy near Downers Grove, IL. Of these, 228 are Experienced, 20 are Advanced and 1 are Distinguished.

Location
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249 providers found
    Ravi Prakash
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Advocate Medical Group General Surgery

    3743 Highland Ave, Ste 1002, 
    Downers Grove, IL 
     (0.7 miles away)
    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.

    Jennie S. Ng
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology
    40 S. Clay St., East Building, Suite 130, 
    Hinsdale, IL 
     (3.9 miles away)
    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.

    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 
     (5.4 miles away)
    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.

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

    Gastroenterology Service, Ltd

    3825 Highland Ave, 
    Downers Grove, IL 
     (0.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    David Gerard is a Gastroenterologist in Downers Grove, Illinois. Dr. Gerard is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Celiac Disease, Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Endoscopy.

    Frederick M. Tiesenga
    Experienced in Colonoscopy
    Experienced in Colonoscopy

    Suburban Surgery Center

    3825 Highland Ave, 
    Downers Grove, IL 
     (0.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Frederick Tiesenga is a General Surgeon in Downers Grove, Illinois. Dr. Tiesenga is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Obesity, Cellulitis, Gangrene, Gallbladder Removal, and Sleeve Gastrectomy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology
    1001 Commerce Dr Ste 500, 
    Oak Brook, Illinois, IL 
     (3.5 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English

    Amrita Sethi is a Gastroenterologist in Oak Brook, Illinois, Illinois. Dr. Sethi has been practicing medicine for over 27 years and is rated as an Advanced provider by MediFind in Colonoscopy. Her top areas of expertise are Pancreatic Pseudocyst, Bile Duct Obstruction, Watermelon Stomach, Endoscopy, and Gastrectomy.

    Jeffrey Zawacki
    Experienced in Colonoscopy
    Colorectal Surgery | General Surgery
    Experienced in Colonoscopy
    Colorectal Surgery | General Surgery

    Location - 11432

    908 N Elm St, 
    Hinsdale, IL 
     (4.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jeffrey Zawacki is a Colorectal Surgeon and a General Surgeon in Hinsdale, Illinois. Dr. Zawacki is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Colorectal Cancer, Cellulitis, Hernia, Hernia Surgery, and Hemorrhoidectomy.

    Ryan Headley
    Experienced in Colonoscopy
    Bariatric Medicine
    Experienced in Colonoscopy
    Bariatric Medicine

    Suburban Metabolic Institute, LLC

    908 N. Elm St., Suite 309, 
    Hinsdale, IL 
     (4.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ryan Headley is a Bariatric Medicine provider in Hinsdale, Illinois. Dr. Headley is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Hernia, Hernia Surgery, and Gastrectomy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Nephrology Associates Of Northern Illinois, Ltd

    911 N Elm St, 
    Hinsdale, IL 
     (4.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Maytee Boonyapredee is an Internal Medicine provider in Hinsdale, Illinois. Dr. Boonyapredee is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Acute Kidney Failure, Necrosis, Acute Arterial Occlusion of Kidney, Ureteroscopy, and Prostatectomy.

    Michael Greenspan
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Endeavor Health Medical Group

    1200 S. York St., Suite 2000, 
    Elmhurst, IL 
     (5.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Michael Greenspan, MD, a gastroenterologist at Endeavor Health, treats a broad spectrum of gastrointestinal conditions including gastroesophageal reflux, liver and pancreatic diseases, and gastrointestinal cancers. He performs advanced procedures such as colonoscopy, endoscopic ultrasound and endoscopic retrograde cholangiopancreatography (ERCP). Dr. Greenspan integrates the latest approaches into care while aligning treatment plans with each patient’s goals and values. Dr. Greenspan is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Adenomatous Polyposis, Gallstones, Choledocholithiasis, Colonoscopy, and Endoscopy.

    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery

    Adventist Health Partners, Inc.

    701 Winthrop Ave, 
    Glendale Heights, IL 
     (7.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Steven Singh is a General Surgeon in Glendale Heights, Illinois. Dr. Singh is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Diverticular Disease, Familial Colorectal Cancer, Gallbladder Disease, Small Bowel Resection, and Hernia Surgery. Dr. Singh is currently accepting new patients.

    Ridha M. Chakeer
    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    Premier Family Health And Wellness Center, Inc

    1311 Butterfield Rd, 
    Downers Grove, IL 
     (0.6 miles away)
    Languages Spoken:
    English, Arabic
    Offers Telehealth

    Ridha Chakeer is a primary care provider, practicing in Family Medicine in Downers Grove, Illinois. Dr. Chakeer is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Obesity, Obesity in Children, Vitamin D Deficiency, Gastrostomy, and Endoscopy.

    Ravikiran N. Tamragouri
    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Internal Medicine Center, SC

    1909 Ogden Ave, 
    Downers Grove, IL 
     (1.1 miles away)
    Languages Spoken:
    English, Hindi, Kannada
    Offers Telehealth

    Ravikiran Tamragouri is a primary care provider, practicing in Internal Medicine in Downers Grove, Illinois. Dr. Tamragouri is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Mallory-Weiss Syndrome, Dementia, Cellulitis, Gastrostomy, and Colonoscopy.

    Irina Domjan
    Experienced in Colonoscopy
    Bariatric Medicine
    Experienced in Colonoscopy
    Bariatric Medicine
    801 N. Cass Ave., Suite 300, 
    Westmont, IL 
     (1.9 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English, Russian
    Offers Telehealth

    I aspire to provide excellent, compassionate, patient-focused care. My goal is to listen to my patients and utilize the vast resources available at Duly Health and Care to help prevent disease and treat illness. Dr. Domjan is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Gallbladder Disease, Pulmonary Fibrosis, Ureteroscopy, and Endoscopy.

    Sameer Sharma
    Experienced in Colonoscopy
    Experienced in Colonoscopy
    303 W. Ogden Avenue, 
    Westmont, IL 
     (2.2 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English, Hindi
    Offers Telehealth

    I practice a patient-focused style that is personalized to each individuals' needs and wishes. I believe in a collaborative decision making process where they are presented with all the pertinent information and we make a informed decision on the care plan. Dr. Sharma is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Endometrial Cancer, Endometrial Stromal Sarcoma, Malignant Mixed Mullerian Tumor, Hysterectomy, and Ureteroscopy.

    Matthew B. Smith
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    430 Warrenville Road, Suite 310, 
    Lisle, IL 
     (2.5 miles away)
    Experience:
    39+ years
    Languages Spoken:
    English
    Offers Telehealth

    Practicing medicine and having patients trust me to the extent that they are able to share their personal problems is a privilege. I believe it is important to listen to the concerns of my patients and to educate them so that together we can decide on a plan to treat their symptoms or disease. Dr. Smith is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Ulcerative Colitis, Familial Colorectal Cancer, Colorectal Cancer, Endoscopy, and Gastrectomy.

    Niraj Ajmere
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    430 Warrenville Road, Suite 310, 
    Lisle, IL 
     (2.5 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English

    I've learned that providing care is as much an art as it is science. Hence, listening and offering my patients options for an individualized treatment plan are my goals. Dr. Ajmere is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Benign Esophageal Stricture, Lower Esophageal Ring, Swallowing Difficulty, Gastrectomy, and Endoscopy.

    Nisha Shah
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    430 Warrenville Road, Suite 310, 
    Lisle, IL 
     (2.5 miles away)
    Experience:
    21+ years
    Languages Spoken:
    English, Gujarati , Spanish

    Health is a balance. It requires each one of us to find an equilibrium in how we eat, move, sleep, and deal with life. Disease is an imbalance of these factors and requires just as much effort. To practice great medicine, one must use evidence based medicine and patient centered care to rid of disease. Dr. Shah is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Esophagitis, Diarrhea, Trichohepatoenteric Syndrome, Endoscopy, and Colonoscopy.

    Theresa M. Lee
    Experienced in Colonoscopy
    General Surgery | Surgical Oncology
    Experienced in Colonoscopy
    General Surgery | Surgical Oncology
    430 Warrenville Road, Suite 310, 
    Lisle, IL 
     (2.5 miles away)
    Experience:
    29+ years
    Languages Spoken:
    English, Korean, Spanish

    The capacity to care is the thing which gives life its deepest significance. Dr. Lee is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Hyperparathyroidism, Thyroid Nodule, Osteitis Fibrosa, Parathyroid Hyperplasia, and Colonoscopy.

    Gerald J. Simon
    Experienced in Colonoscopy
    Experienced in Colonoscopy

    NANI Internal Med ACO, LLC

    412 63rd St, 
    Downers Grove, IL 
     (2.6 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English
    Offers Telehealth

    Gerald Simon is a primary care provider, practicing in Geriatrics in Downers Grove, Illinois. Dr. Simon 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 Stroke, Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Bone Graft, and Vertebroplasty.

    Showing 1-20 of 249

    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 near Downers Grove, 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 Downers Grove, 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 Downers Grove, 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 Downers Grove, 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 Downers Grove, 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 Downers Grove, 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 Downers Grove, 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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