The 20 Best Diarrhea Doctors Near Me in Northbrook, IL
Find the Top Diarrhea Experts and Specialists
Illinois Gastroenterology Group, LLC
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.
Advocate Memory Center
Anthony Mccormack is a primary care provider, practicing in Family Medicine in Park Ridge, Illinois. Dr. Mccormack is rated as an Experienced 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 Dementia, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Mccormack is board certified in American Board Of Family Medicine.
Illinois Gastroenterology Group, PLLC
Jeffrey Jacobs is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Glenview, Illinois. Dr. Jacobs is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Chronic Erosive Gastritis, Diarrhea, Trichohepatoenteric Syndrome, Gastrectomy, and Colonoscopy. Dr. Jacobs is board certified in American Board Of Internal Medicine.
Illinois Gastroenterology Group, LLC
Baseer Qazi is a Gastroenterologist practicing medicine in Glenview, Illinois. Dr. Qazi 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 Gastric Dysmotility, Hemorrhoids, Diarrhea, Colonoscopy, and Endoscopy. Dr. Qazi is board certified in American Board Of Internal Medicine, Gastroenterology.
Illinois Gastroenterology Group, LLC
Kenneth Chi is a Gastroenterologist practicing medicine in Glenview, Illinois. Dr. Chi is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Jaundice, Angiodysplasia of the Colon, Cholangiocarcinoma (Bile Duct Cancer), Endoscopy, and Gastrostomy. Dr. Chi is board certified in American Board Of Internal Medicine, Gastroenterology.
Illinois Gastroenterology Group, PLLC
Nina Merel is a Gastroenterologist practicing medicine in Glenview, Illinois. Dr. Merel is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Heartburn, Gastric Dysmotility, Gas Bloat Syndrome, and Hemorrhoids. Dr. Merel is board certified in American Board Of Internal Medicine.
Comprehensive Gastrointestinal Health
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.
Comprehensive Gastrointestinal Health
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.
Endeavor Health Medical Group
Soojong Hong Chae, MD, a gastroenterologist at Endeavor Health, specializes in diagnosing and treating conditions of the digestive system, including the stomach, intestines, liver and pancreas. She provides comprehensive care for gastrointestinal concerns through advanced diagnostic procedures and personalized treatment strategies. Dr. Chae is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 25 other conditions, according to our data. Her clinical expertise encompasses Trichohepatoenteric Syndrome, Diarrhea, Chronic Idiopathic Constipation (CIC), Endoscopy, and Colonoscopy. Dr. Chae is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
Ioannis Economou, MD, a gastroenterologist at Endeavor Health, specializes in inflammatory bowel disease (IBD), including Crohn’s disease and ulcerative colitis. He serves as Director of the Section for Inflammatory Bowel Diseases and brings extensive clinical, academic and research experience from leading institutions such as Columbia University, Yale School of Medicine and Rush University. Dr. Economou takes a collaborative, patient-centered approach to care, helping individuals understand their condition and treatment options while advancing research on environmental and genetic factors that influence IBD. Dr. Economou is rated as an Advanced 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 Ulcerative Colitis, Hemorrhagic Proctocolitis, Crohn's Disease, Colonoscopy, and Endoscopy. Dr. Economou is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
Susannah E. Spiess, MD, a gastroenterologist at Endeavor Health, specializes in general gastroenterology, women’s digestive health and colorectal cancer screening. She provides care for conditions such as inflammatory bowel disease, irritable bowel syndrome and colorectal cancer. Dr. Spiess performs a wide range of endoscopic procedures including colonoscopy, EGD and small bowel enteroscopy. She also speaks German, expanding her ability to connect with a diverse patient population. Dr. Spiess 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, Gastroesophageal Reflux Disease (GERD), Turcot Syndrome, Colonoscopy, and Gastrectomy. Dr. Spiess 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.
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.
John Gaetano is a Gastroenterologist practicing medicine in Glenview, Illinois. He has been practicing medicine for over 16 years. Dr. Gaetano is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Enlarged Liver, Macroamylasemia, Endoscopy, and Colonoscopy. Dr. Gaetano is board certified in American Board Of Internal Medicine - Gastroenterology (Certified).
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. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Croup, Familial Short Stature (FSS), and Idiopathic Short Stature (ISS). Dr. Schott is board certified in American Board Of Pediatrics.
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 clinical expertise encompasses Croup, Delayed Growth, Familial Short Stature (FSS), and Idiopathic Short Stature (ISS). Dr. Johnson is board certified in American Board Of Pediatrics.
Illinois Gastroenterology Group, LLC
Alan Shapiro is a Gastroenterologist practicing medicine in Glenview, Illinois. Dr. Shapiro is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), Ulcerative Colitis, Gastrectomy, and Colonoscopy. Dr. Shapiro is board certified in American Board Of Internal Medicine.
Illinois Gastroenterology Group, LLC
Meghana Doniparthi is a Gastroenterologist practicing medicine in Glenview, Illinois. She has been practicing medicine for over 10 years. Dr. Doniparthi is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Tenesmus, Gas Bloat Syndrome, Hemorrhoids, and Familial Adenomatous Polyposis. Dr. Doniparthi is board certified in American Board Of Internal Medicine, Gastroenterology.
Comprehensive Gastrointestinal Health
Tara Troy is a Gastroenterologist practicing medicine in Northbrook, Illinois. Dr. Troy is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Hemorrhoids, Gas Bloat Syndrome, Heartburn, Colonoscopy, and Endoscopy. Dr. Troy is board certified in American Board Of Internal Medicine.
Last Updated: 04/28/2026


















