The 20 Best Diarrhea Doctors Near Me in Lake Forest, IL

Find the Top Diarrhea Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 332 doctor with experience in Diarrhea near Lake Forest, IL. Of these, 292 are Experienced, 39 are Advanced and 1 are Distinguished.

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332 providers found
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Advocate Medical Group Gastroenterology

    825 S Milwaukee Ave, 
    Libertyville, IL 
     (5.8 miles away)
    Languages Spoken:
    English

    Andrew Mazulis is a Gastroenterologist practicing medicine in Libertyville, Illinois. Dr. Mazulis is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Sclerosing Mesenteritis, Viral Gastroenteritis, Gastrointestinal Bleeding, Colonoscopy, and Endoscopy. Dr. Mazulis is board certified in American Board Of Internal Medicine, Gastroenterology.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    800 N Westmoreland Rd Ste 100, 
    Lake Forest, IL 
     (2.0 miles away)
    Experience:
    33+ years
    Languages Spoken:
    English

    Alexander Tosiou is a Gastroenterologist practicing medicine in Lake Forest, Illinois. He has been practicing medicine for over 33 years. Dr. Tosiou is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Lower Esophageal Ring, Benign Esophageal Stricture, Diarrhea, Gastrectomy, and Endoscopy. Dr. Tosiou is board certified in American Board Of Internal Medicine - Gastroenterology (Certified).

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    800 N Westmoreland Rd Ste 100, 
    Lake Forest, IL 
     (2.0 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English
    Offers Telehealth

    Frank Martini is a Gastroenterologist practicing medicine in Lake Forest, Illinois. He has been practicing medicine for over 44 years. Dr. Martini is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Visceromegaly, Collagenous Colitis, Endoscopy, and Gastrectomy. Dr. Martini is board certified in American Board Of Internal Medicine - Gastroenterology (Certified).

    Learn about our expert tiers
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    800 N Westmoreland Rd Ste 100, 
    Lake Forest, IL 
     (2.0 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Asamad Soudagar is a Gastroenterologist practicing medicine in Lake Forest, Illinois. He has been practicing medicine for over 17 years. Dr. Soudagar is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Familial Pancreatic Cancer, Bile Duct Obstruction, Bile Duct Stricture, Gastrectomy, and Endoscopy. Dr. Soudagar is board certified in American Board Of Internal Medicine - Gastroenterology (Certified).

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Advocate Medical Group Primary Care

    825 S Milwaukee Ave, 
    Libertyville, IL 
     (5.8 miles away)
    Languages Spoken:
    English, Malayalam
    Offers Telehealth

    Bincy Joseph is a primary care provider, practicing in Family Medicine in Libertyville, Illinois. Dr. Joseph is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Sitosterolemia. Dr. Joseph is board certified in American Board Of Family Medicine.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Endeavor Health Medical Group

    757 Park Ave. West, Suite 2850, 
    Highland Park, IL 
     (5.3 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 Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Hemorrhagic Proctocolitis, Ulcerative Colitis, Crohn's Disease, Gastrectomy, and Endoscopy. Dr. Khan is board certified in American Board Of Internal Medicine.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Endeavor Health Medical Group

    757 Park Ave. West, Suite 2850, 
    Highland Park, IL 
     (5.3 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 Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Familial Adenomatous Polyposis, Gardner Syndrome, Hemorrhoids, Endoscopy, and Gastrectomy. Dr. Rhee is board certified in American Board Of Internal Medicine.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Endeavor Health Medical Group

    1777 Green Bay Rd., Suite 201, 
    Highland Park, IL 
     (5.5 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 Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Colonoscopy. Dr. Retsky is board certified in American Board Of Internal Medicine.

    Advanced in Diarrhea
    Internal Medicine
    Advanced in Diarrhea
    Internal Medicine

    GI Partners Of Illinois, LLC

    Libertyville, IL 
     (6.2 miles away)
    Languages Spoken:
    English, Arabic
    Offers Telehealth

    Tarek Almouradi is an Internal Medicine provider practicing medicine in Libertyville, Illinois. Dr. Almouradi is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 76 other conditions, according to our data. His clinical expertise encompasses Angiodysplasia of the Colon, Watermelon Stomach, Hereditary Pancreatitis, Gastrectomy, and Endoscopy. Dr. Almouradi is board certified in American Board Of Internal Medicine, Gastroenterology.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Illinois Gastroenterology Group, LLC

    20 Tower Ct, 
    Gurnee, IL 
     (7.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kevin Liebovich is a Gastroenterologist practicing medicine in Gurnee, Illinois. Dr. Liebovich is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 51 other conditions, according to our data. His clinical expertise encompasses Trichohepatoenteric Syndrome, Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Gastrectomy, and Endoscopy. Dr. Liebovich is board certified in American Board Of Internal Medicine, Gastroenterology.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Illinois Gastroenterology Group, LLC

    20 Tower Ct, 
    Gurnee, IL 
     (7.5 miles away)
    Languages Spoken:
    English, Spanish

    Jonathan Rosenberg is a Gastroenterologist practicing medicine in Gurnee, Illinois. Dr. Rosenberg is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 52 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Diverticular Disease, Hemorrhoids, Endoscopy, and Gastrectomy. Dr. Rosenberg is board certified in American Board Of Internal Medicine, Gastroenterology.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Illinois Gastroenterology Group, LLC

    20 Tower Ct, 
    Gurnee, IL 
     (7.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Walter Glaws is a Gastroenterologist practicing medicine in Gurnee, Illinois. Dr. Glaws is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Irritable Bowel Syndrome (IBS), Chronic Erosive Gastritis, Gastrectomy, and Gastrostomy. Dr. Glaws is board certified in American Board Of Internal Medicine, Gastroenterology.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Illinois Gastroenterology Group, LLC

    20 Tower Ct, 
    Gurnee, IL 
     (7.5 miles away)
    Languages Spoken:
    English

    Amit Kalra is a Gastroenterologist practicing medicine in Gurnee, Illinois. Dr. Kalra is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Hemorrhoids, Colonoscopy, and Gastrectomy. Dr. Kalra is board certified in American Board Of Internal Medicine, Gastroenterology.

    Advanced in Diarrhea
    Gastroenterology | Pharmacology
    Advanced in Diarrhea
    Gastroenterology | Pharmacology

    Comprehensive Gastrointestinal Health

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

    Gene Chiao is a Pharmacologist and a Gastroenterologist practicing medicine in Northbrook, Illinois. Dr. Chiao is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Heartburn, Benign Esophageal Stricture, Colonoscopy, and Gastrectomy. Dr. Chiao is board certified in American Board Of Internal Medicine.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Comprehensive Gastrointestinal Health

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

    Jeffrey Nathanson is a Gastroenterologist practicing medicine in Northbrook, Illinois. Dr. Nathanson is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Heartburn, Gas Bloat Syndrome, Endoscopy, and Gastrectomy. Dr. Nathanson is board certified in American Board Of Internal Medicine.

    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    Gastroenterology

    Illinois Gastroenterology Group, LLC

    2501 Compass Rd, 
    Glenview, IL 
     (11.2 miles away)
    Languages Spoken:
    English

    Ronald Bloom is a Gastroenterologist practicing medicine in Glenview, Illinois. Dr. Bloom is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Diarrhea, Trichohepatoenteric Syndrome, Diverticular Disease, Endoscopy, and Gastrectomy. Dr. Bloom is board certified in American Board Of Internal Medicine, Gastroenterology.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Endeavor Health Medical Group

    71 Waukegan Rd., Suite 800, 
    Lake Bluff, IL 
     (2.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    John Lin, MD, an internal medicine physician at Endeavor Health, provides primary care to adults with a focus on long-term health and preventive strategies. Inspired by early experiences with his father, a physician, Dr. Lin values the relationships he builds across generations of families. He approaches care as a collaborative journey, helping patients define their goals and connecting them with the right support along the way. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Graves Disease, Dementia, Thyroid Storm, and Tracheitis. Dr. Lin is board certified in American Board Of Internal Medicine.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Endeavor Health Medical Group

    915 S. Waukegan Rd., Suite 200, 
    Lake Forest, IL 
     (2.9 miles away)
    Languages Spoken:
    English

    Michael J. Sommerfeld, MD, an internal medicine physician at Endeavor Health, provides primary care for adults with a focus on preventive health, chronic condition management and wellness support. He works with patients to develop care plans that promote long-term health outcomes. Dr. Sommerfeld is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Sommerfeld is board certified in American Board Of Internal Medicine.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Endeavor Health Medical Group

    915 S. Waukegan Rd., Suite 200, 
    Lake Forest, IL 
     (2.9 miles away)
    Languages Spoken:
    English

    Jason T. Garti, MD, an internal medicine specialist at Endeavor Health, provides comprehensive primary care for adults, with a focus on preventive care, physical exams and the management of chronic conditions such as hypertension. Dr. Garti works closely with patients to support long-term health goals and provides guidance on lifestyle changes that promote overall wellbeing. Dr. Garti is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hives, Stroke, Muscle Invasive Bladder Cancer, and Bronchitis. Dr. Garti is board certified in American Board Of Internal Medicine.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Endeavor Health Medical Group

    915 S. Waukegan Rd., 
    Lake Forest, IL 
     (2.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Vivian Salazar, MD, an internal medicine physician at Endeavor Health, provides comprehensive, evidence-based care for adults 18 and older. She focuses on screening, prevention and wellness, partnering with patients to manage chronic conditions such as diabetes and high blood pressure. Dr. Salazar coordinates care with subspecialists when needed and is interested in emerging innovations in artificial intelligence, diabetes and obesity therapies, and cancer care. She is dedicated to helping patients achieve their health goals through prevention, early intervention and shared decision-making. Dr. Salazar is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Sitosterolemia, Multiple Carboxylase Deficiency, Vitamin B12 Deficiency Anemia, and Folate Deficiency. Dr. Salazar is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 332

    Last Updated: 04/28/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

    When should I see a Diarrhea doctor near Lake Forest, 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 Diarrhea doctor near Lake Forest, 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 Diarrhea doctors near Lake Forest, 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 Diarrhea doctors near Lake Forest, 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 Diarrhea doctor near Lake Forest, 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 Diarrhea doctor search results page. 

    Why is it important to get a second opinion from a different Diarrhea 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 Diarrhea doctor near Lake Forest, 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 Diarrhea 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 Diarrhea 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 Diarrhea doctors near Lake Forest, IL?

    Look for the filter feature on the left side of the Diarrhea 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 Diarrhea doctor that offers video calls?

    Look for the filter feature on the left-side of the Diarrhea 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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