Richard Margolin is a primary care provider, practicing in Family Medicine in Lincolnshire, Illinois. Dr. Margolin is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Alzheimer's Disease, Gastrostomy, and Hip Replacement.

Asamad Soudagar is a Gastroenterologist in Lake Forest, Illinois. Dr. Soudagar has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Pancreatic Cancer, Bile Duct Obstruction, Bile Duct Stricture, Gastrectomy, and Endoscopy.

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

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 Colonoscopy. His top areas of expertise are Crohn's Disease, Esophagitis, Esophageal Varices, 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 Experienced provider by MediFind in Colonoscopy. 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 Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Diverticular Disease, Visceromegaly, Collagenous Colitis, Endoscopy, and Gastrectomy.

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 Colonoscopy. His top areas of expertise are Diverticular Disease, Anal Fissure, Ogilvie Syndrome, Small Bowel Resection, and Sacral Nerve Stimulation.

Igor Naryzhny is a Gastroenterologist in Lincolnshire, Illinois. Dr. Naryzhny has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Painful Swallowing, Swallowing Difficulty, Ascites, Gastrectomy, 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 an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Colonoscopy.

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 Colonoscopy. His top areas of expertise are Cholangitis, Sclerosing Cholangitis, Bile Duct Obstruction, Gastrectomy, and Pancreatectomy.

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

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 Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hemorrhagic Proctocolitis, Ulcerative Colitis, Crohn's Disease, Gastrectomy, and Endoscopy.

Nicholas A. Zwang, MD, an internal medicine and nephrology physician at Endeavor Health, provides care for adults with a focus on kidney health and overall wellbeing. He evaluates and manages acute and chronic kidney conditions, collaborates with specialists to address complex health needs and supports patients through ongoing disease management. Dr. Zwang combines expertise in internal medicine with nephrology to deliver comprehensive care tailored to each patient’s health goals. Dr. Zwang is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Acute Kidney Failure, Necrosis, Heart Failure with Preserved Ejection Fraction (HFpEF), Prostatectomy, and Ureteroscopy.

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 Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Hemorrhoids, Endoscopy, and Gastrectomy.

Gene Chiao is a Pharmacologist and a Gastroenterologist in Northbrook, Illinois. Dr. Chiao is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Irritable Bowel Syndrome (IBS), Heartburn, Benign Esophageal Stricture, Colonoscopy, and Gastrectomy.

Tara Troy is a Gastroenterologist in Northbrook, Illinois. Dr. Troy is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Hemorrhoids, Gas Bloat Syndrome, Heartburn, Colonoscopy, and Endoscopy.

Jeffrey Nathanson is a Gastroenterologist in Northbrook, Illinois. Dr. Nathanson is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Irritable Bowel Syndrome (IBS), Heartburn, Gas Bloat Syndrome, Endoscopy, and Gastrectomy.

Sabrina Jones is an Internal Medicine provider in Bannockburn, Illinois. Dr. Jones is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Endoscopy and Pancreatectomy.

Barry S. Levin, MD, an internal medicine and critical care medicine physician at Endeavor Health, provides care across acute illness management and anesthesiology. He treats patients in critical and perioperative settings, applying expertise in both intensive care and anesthesia support. Dr. Levin’s background in internal medicine, anesthesiology and critical care enables him to deliver coordinated treatment during complex medical situations with an emphasis on safety and clinical excellence. Dr. Levin is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Lung Nodules, Vitamin D Deficiency, Venous Thromboembolism (VTE), Endoscopy, and Gastrostomy.

John Gaetano is a Gastroenterologist in Glenview, Illinois. Dr. Gaetano has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Visceromegaly, Enlarged Liver, Macroamylasemia, Endoscopy, and Colonoscopy.