Roopal Thakkar is a primary care provider, practicing in Internal Medicine in Lake Forest, Illinois. Dr. Thakkar is rated as an Elite provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Viral Gastroenteritis, Crohn's Disease, Hemorrhagic Proctocolitis, Endoscopy, and Colonoscopy.

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 a Distinguished provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Colonoscopy.

Monika Krezalek, MD, a colorectal surgeon at Endeavor Health, specializes in minimally invasive and robotic techniques to treat colon and rectal cancer, inflammatory bowel disease, diverticulitis and benign anorectal conditions. She leads the nationally accredited Rectal Cancer Program at Endeavor Health, where she collaborates with a multidisciplinary team to deliver comprehensive, coordinated care. Dr. Krezalek is committed to advancing surgical innovation to improve recovery for patients and is dedicated to advancing excellence in colorectal surgery and cancer care. Dr. Krezalek is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. Her top areas of expertise are Rectal Prolapse, Hemorrhoids, Familial Colorectal Cancer, Bladder Reconstruction, and Small Bowel Resection.

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 Crohn's Disease. His top areas of expertise are Crohn's Disease, Esophagitis, Esophageal Varices, Colonoscopy, and Endoscopy.

Saleh Eftaiha is a Colorectal Surgeon in Lake Forest, Illinois. Dr. Eftaiha has been practicing medicine for over 14 years and is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Diverticular Disease, Anal Fissure, Ogilvie Syndrome, Small Bowel Resection, and Sacral Nerve Stimulation.

Frank Martini is a Gastroenterologist in Lake Forest, Illinois. Dr. Martini has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Diverticular Disease, Visceromegaly, Collagenous Colitis, Endoscopy, and Gastrectomy.

Alexander Tosiou is a Gastroenterologist in Lake Forest, Illinois. Dr. Tosiou has been practicing medicine for over 33 years and is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Lower Esophageal Ring, Benign Esophageal Stricture, Diarrhea, Gastrectomy, and Endoscopy.

William Seiden is a primary care provider, practicing in Internal Medicine in Lake Forest, Illinois. Dr. Seiden has been practicing medicine for over 36 years and is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Muscle Invasive Bladder Cancer, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

Andrew Mazulis is a Gastroenterologist in Libertyville, Illinois. Dr. Mazulis is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Sclerosing Mesenteritis, Viral Gastroenteritis, Gastrointestinal Bleeding, Colonoscopy, and Endoscopy.

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 Crohn's Disease. His top areas of expertise are Hemorrhagic Proctocolitis, Ulcerative Colitis, Crohn's Disease, Gastrectomy, and Endoscopy.

Jeffrey Nathanson is a Gastroenterologist in Northbrook, Illinois. Dr. Nathanson is rated as an Advanced provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Irritable Bowel Syndrome (IBS), Heartburn, Gas Bloat Syndrome, Endoscopy, and Gastrectomy.

Tara Troy is a Gastroenterologist in Northbrook, Illinois. Dr. Troy is rated as an Advanced provider by MediFind in the treatment of Crohn's Disease. Her top areas of expertise are Hemorrhoids, Gas Bloat Syndrome, Heartburn, Colonoscopy, and Endoscopy.

Aron Feinberg, DO, an internal medicine physician at Endeavor Health, provides primary care for adults with a focus on preventive care and chronic disease management. He collaborates with patients to help them understand their health trajectory and supports them in making informed decisions. His clinical interests include patient education, long-term care and applying new innovations like artificial intelligence to improve health outcomes. Dr. Feinberg is rated as a Distinguished provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Tracheitis, Type 1 Diabetes (T1D), Heart Failure, and Crohn's Disease.

Baseer Qazi is a Gastroenterologist in Glenview, Illinois. Dr. Qazi is rated as an Advanced provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Gastric Dysmotility, Hemorrhoids, Diarrhea, Colonoscopy, and Endoscopy.

Ronald Bloom is a Gastroenterologist in Glenview, Illinois. Dr. Bloom is rated as an Advanced provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Diverticular Disease, Endoscopy, and Gastrectomy.

Nina Merel is a Gastroenterologist in Glenview, Illinois. Dr. Merel is rated as an Advanced provider by MediFind in the treatment of Crohn's Disease. Her top areas of expertise are Heartburn, Gastric Dysmotility, Gas Bloat Syndrome, and Hemorrhoids.

Jeffrey Jacobs is an Internal Medicine specialist and a Gastroenterologist in Glenview, Illinois. Dr. Jacobs is rated as an Advanced provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Chronic Erosive Gastritis, Diarrhea, Trichohepatoenteric Syndrome, Gastrectomy, and Colonoscopy.

John M. Sultan, MD, an internal medicine physician at Endeavor Health, provides primary care for adults with an emphasis on integrative medicine. He combines conventional treatments with evidence-based complementary approaches to support patients’ overall health and long-term wellbeing. Dr. Sultan is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Irritable Bowel Syndrome (IBS), Chronic Cough, Coronary Heart Disease, and Atrioventricular Nodal Reentrant Tachycardia (AVNRT).

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 Crohn's Disease. His top areas of expertise are Hemorrhoids, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Colonoscopy.

Kenneth Breger, MD, an internal medicine physician at Endeavor Health, provides primary care for adults with a focus on prevention and long-term relationships. With nearly 30 years of experience, he values continuity of care and generational connections with families. Dr. Breger also supports lifestyle change and early detection to help patients stay healthy and independent over time. Dr. Breger is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. His top areas of expertise are Alzheimer's Disease, Chronic Cough, Large-Cell Immunoblastic Lymphoma, and Vertigo.