The 20 Best Diarrhea Doctors Near Me in Bannockburn, IL
Find the Top Diarrhea Experts and Specialists
MediFind found 466 doctor with experience in Diarrhea near Bannockburn, IL. Of these, 407 are Experienced, 58 are Advanced and 1 are Distinguished.
Advocate Medical Group Gastroenterology
Andrew Mazulis is a Gastroenterologist in Libertyville, Illinois. Dr. Mazulis is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Sclerosing Mesenteritis, Viral Gastroenteritis, Gastrointestinal Bleeding, Colonoscopy, and Endoscopy.
Alexander Tosiou is a Gastroenterologist in Lake Forest, Illinois. Dr. Tosiou has been practicing medicine for over 33 years and is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Lower Esophageal Ring, Benign Esophageal Stricture, Diarrhea, Gastrectomy, and Endoscopy.
Frank Martini is a Gastroenterologist in Lake Forest, Illinois. Dr. Martini has been practicing medicine for over 44 years and is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diverticular Disease, Visceromegaly, Collagenous Colitis, Endoscopy, and Gastrectomy.
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. His top areas of expertise are Hemorrhagic Proctocolitis, Ulcerative Colitis, Crohn's Disease, Gastrectomy, and Endoscopy.
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. Her top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Hemorrhoids, Endoscopy, and Gastrectomy.
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. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Colonoscopy.
Comprehensive Gastrointestinal Health
Gene Chiao is a Pharmacologist and a Gastroenterologist in Northbrook, Illinois. Dr. Chiao is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Irritable Bowel Syndrome (IBS), Heartburn, Benign Esophageal Stricture, Colonoscopy, and Gastrectomy.
Comprehensive Gastrointestinal Health
Jeffrey Nathanson is a Gastroenterologist in Northbrook, Illinois. Dr. Nathanson is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Irritable Bowel Syndrome (IBS), Heartburn, Gas Bloat Syndrome, Endoscopy, and Gastrectomy.
Illinois Gastroenterology Group, LLC
Ronald Bloom is a Gastroenterologist in Glenview, Illinois. Dr. Bloom is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Diverticular Disease, Endoscopy, and Gastrectomy.
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 the treatment of Diarrhea. His top areas of expertise are Crohn's Disease, Esophagitis, Esophageal Varices, Colonoscopy, and Endoscopy.
Asamad Soudagar is a Gastroenterologist in Lake Forest, Illinois. Dr. Soudagar has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Pancreatic Cancer, Bile Duct Obstruction, Bile Duct Stricture, Gastrectomy, and Endoscopy.
Advocate Medical Group Gastroenterology
Igor Naryzhny is a Gastroenterologist in Lincolnshire, Illinois. Dr. Naryzhny has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Painful Swallowing, Swallowing Difficulty, Ascites, Gastrectomy, and Colonoscopy.
Endeavor Health Medical Group
Jennifer Schott, MD, a general pediatrician at Endeavor Health, provides care for children from infancy through adolescence with a focus on treating the whole child—mind and body. Practicing in Deerfield, she supports families by creating a calm, joyful, and accessible care environment. Dr. Schott helps parents feel confident by listening carefully, addressing concerns with compassion, and encouraging a partnership-based approach to care. Dr. Schott is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Croup, Familial Short Stature (FSS), and Idiopathic Short Stature (ISS).
Endeavor Health Medical Group
Andrew Johnson, MD, a general pediatrician at Endeavor Health, provides primary care for children of all ages. His clinical focus includes preventive care, chronic condition management and supporting healthy development. Dr. Johnson emphasizes a family-centered approach, involving caregivers in care decisions and advocating for improved access to high-quality pediatric care across the community. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Croup, Delayed Growth, Familial Short Stature (FSS), and Idiopathic Short Stature (ISS).
Endeavor Health Medical Group
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 the treatment of Diarrhea. His top areas of expertise are Cholangitis, Sclerosing Cholangitis, Bile Duct Obstruction, Gastrectomy, and Pancreatectomy.
Endeavor Health Medical Group
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 the treatment of Diarrhea. His top areas of expertise are Hemorrhoids, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Colonoscopy.
Sanders Court Pediatrics, Ltd.
Richard Pervos is a Pediatrics provider in Buffalo Grove, Illinois. Dr. Pervos is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Respiratory Syncytial Virus (RSV) Infection, Croup, Multisystem Inflammatory Syndrome in Children (MIS-C), and Diarrhea.
Sanders Court Pediatrics, Ltd.
Jonathan Powell is a Pediatrics provider in Buffalo Grove, Illinois. Dr. Powell is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top area of expertise is Diarrhea.
Children's Health Care, Ltd.
Boris Lelchuk is a Pediatrics provider in Wheeling, Illinois. Dr. Lelchuk is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Pertussis, Viral Gastroenteritis, Croup, and Scarlet Fever.
Children's Health Care, Ltd.
Veronika Kroin is a Pediatrics provider in Wheeling, Illinois. Dr. Kroin is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Croup, Pertussis, Otitis Media with Effusion, and Viral Gastroenteritis.
Last Updated: 02/22/2026



















