The 20 Best Diarrhea Doctors Near Me in Vernon Hills, IL
Find the Top Diarrhea Experts and Specialists
Advocate Medical Group Gastroenterology
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.
Advocate Medical Group Primary Care
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.
GI Partners Of Illinois, LLC
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.
Endeavor Health Medical Group
Alissa E. Block-Rissman, DO, a pediatrician at Endeavor Health, is board certified in pediatrics and provides comprehensive care for infants, children and adolescents. She supports families through routine checkups, preventive screenings and the diagnosis and treatment of childhood illnesses. Dr. Block-Rissman speaks both English and Spanish, allowing her to communicate more effectively with diverse families and support their children’s health and development. Dr. Block is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Delayed Growth, Scarlet Fever, Viral Gastroenteritis, and Sunken Fontanelles. Dr. Block is board certified in American Board Of Pediatrics.
Endeavor Health Medical Group
Lisa C. Tybor-Jaraczewski, MD, a pediatrician at Endeavor Health, provides comprehensive care for children from infancy through adolescence. She focuses on general pediatric health, working with families to support child development, address common illnesses and monitor long-term wellbeing. Dr. Tybor-Jaraczewski aims to build trusted relationships with families and serve as a consistent resource for children’s health. Dr. Tybor is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Delayed Growth, Developmental Dysphasia Familial, Viral Gastroenteritis, and Short Stature (Growth Disorders). Dr. Tybor is board certified in American Board Of Pediatrics.
Endeavor Health Medical Group
Sheri Lippman, MD, a pediatrician at Endeavor Health, provides comprehensive care for children from infancy through adolescence. She supports families with preventive services, developmental screenings and management of common pediatric conditions. Dr. Lippman partners with parents and caregivers to promote long-term health and wellbeing for every child. Dr. Lippman is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Zoon Vulvitis, Herpangina, Developmental Dysphasia Familial, and Idiopathic Short Stature (ISS). Dr. Lippman is board certified in American Board Of Pediatrics.
Advocate Medical Group Gastroenterology
Igor Naryzhny is a Gastroenterologist practicing medicine in Lincolnshire, Illinois. He has been practicing medicine for over 17 years. Dr. Naryzhny 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 Swallowing Difficulty, Painful Swallowing, Ascites, Gastrectomy, and Colonoscopy. Dr. Naryzhny is board certified in American Board Of Internal Medicine, Gastroenterology.
Endeavor Health Medical Group
Diana Guse, MD, a specialist in internal medicine and pediatrics at Endeavor Health, provides comprehensive primary care for patients of all ages—from newborns to older adults. She focuses on whole-person care, managing everything from routine prescriptions to complex specialty coordination. Dr. Guse partners with patients to build trusting relationships and aims to support individuals who may feel nervous about seeking care, creating a safe and collaborative environment in every visit. Dr. Guse is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Sinusitis, Empyema, Maturity Onset Diabetes of the Young, and Type 2 Diabetes (T2D). Dr. Guse is board certified in American Board Of Pediatrics and American Board Of Internal Medicine.
Comprehensive Gastrointestinal Health
Claus Fimmel is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Libertyville, Illinois. Dr. Fimmel 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 Hepatitis, Autoimmune Hepatitis, Hepatitis C, Gastrectomy, and Endoscopy. Dr. Fimmel is board certified in American Board Of Internal Medicine.
Advocate Medical Group Primary Care
Deepkamal Kaur is a primary care provider, practicing in Internal Medicine in Barrington, Illinois. Dr. Kaur is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Type 2 Diabetes (T2D). Dr. Kaur is board certified in American Board Of Internal Medicine.
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).
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).
Illinois Gastroenterology Group, LLC
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.
Illinois Gastroenterology Group, LLC
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.
Illinois Gastroenterology Group, LLC
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.
Illinois Gastroenterology Group, LLC
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.
Endeavor Health Medical Group
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.
Endeavor Health Medical Group
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.
Endeavor Health Medical Group
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.
GI Partners Of Illinois, LLC
Dale Coy is a Gastroenterologist practicing medicine in Lake Barrington, Illinois. Dr. Coy is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. He is also highly rated in 62 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Trichohepatoenteric Syndrome, Gardner Syndrome, Gastrectomy, and Endoscopy. Dr. Coy is board certified in American Board Of Internal Medicine.
Last Updated: 04/28/2026



















