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

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

Michael Hersh, MD, a gastroenterologist and internal medicine physician at Endeavor Health, specializes in diagnosing and treating disorders of the digestive tract. He offers a range of procedures, including colonoscopy and upper endoscopy, and emphasizes the importance of routine screening and early detection. Dr. Hersh takes a problem-solving approach, helping patients understand their symptoms and guiding them through both prevention and treatment. Dr. Hersh is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Irritable Bowel Syndrome (IBS), Familial Adenomatous Polyposis, Turcot Syndrome, Colonoscopy, and Gastrectomy.

Robert Tanney, DO, a family medicine physician at Endeavor Health, brings more than 35 years of experience to his care for patients of all ages. Known as the “gentle giant” among patients and colleagues, he combines compassion with clinical skill to deliver personalized, comprehensive care. Dr. Tanney uses both traditional and osteopathic techniques to treat a wide range of conditions and believes every patient deserves to be treated with the same respect and effort he would want for himself. Dr. Tanney is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Bronchitis, Type 2 Diabetes (T2D), Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

John Oh is a primary care provider, practicing in Internal Medicine in Buffalo Grove, Illinois. Dr. Oh is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Congenital Sucrase-Isomaltase Deficiency.

Jason Thalheimer is a primary care provider, practicing in Internal Medicine in Arlington Heights, Illinois. Dr. Thalheimer is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Sitosterolemia, High Cholesterol, Cirrhosis, and Glucocorticoid-Remediable Aldosteronism.

Yakov Ryabov is a primary care provider, practicing in Internal Medicine in Wheeling, Illinois. Dr. Ryabov is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Thromboangiitis Obliterans, Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy, Hypertension, Gastrostomy, and Hernia Surgery.

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

Julia Ratner, MD, an internal medicine physician at Endeavor Health, provides primary care for adults with a focus on preventive health, routine screenings and chronic disease management. She collaborates with patients to support long-term wellness through personalized care. Dr. Ratner is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Dementia, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

Jason Kramer, MD, an internal medicine physician at Endeavor Health, provides comprehensive primary care focused on disease prevention and long-term health management. He specializes in managing chronic conditions such as hypertension, dyslipidemia and diabetes. Dr. Kramer partners with patients to support their overall wellbeing through personalized, evidence-based care. Dr. Kramer is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Maturity Onset Diabetes of the Young, Movement Disorders, Parkinson's Disease, Inclusion Body Myositis, and Aneurysm Repair.

Nadeem Z. Alavi, DO, an internal medicine physician at Endeavor Health, provides comprehensive primary care for adults, with a focus on preventive health and chronic disease management. He addresses a broad spectrum of conditions, working to support each patient’s long-term health goals through evidence-based care and personalized treatment planning. Dr. Alavi is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Enlarged Prostate (BPH), Sitosterolemia, High Cholesterol, and Familial Hypertension.

Steven Witzel is a primary care provider, practicing in Internal Medicine in Il, Illinois. Dr. Witzel has been practicing medicine for over 42 years and is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Richter Syndrome, Chronic B-Cell Leukemia (CBCL), Chronic Lymphocytic Leukemia (CLL), and Glucocorticoid-Remediable Aldosteronism.

Alex Kostiv is a primary care provider, practicing in Family Medicine in Vernon Hills, Illinois. Dr. Kostiv is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Vitamin D Deficiency, High Cholesterol, Anemia, Gastrostomy, and Endoscopy.

Rahul Modi is a primary care provider, practicing in Family Medicine in Glenview, Illinois. Dr. Modi is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Mixed Gonadal Dysgenesis, Turner Syndrome, Perrault Syndrome, and Osteomyelitis in Children.

Minhaj Musa is a primary care provider, practicing in Internal Medicine in Barrington, Illinois. Dr. Musa is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Cirrhosis, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

Raymond Bianchi is a primary care provider, practicing in Family Medicine in Lake Zurich, Illinois. Dr. Bianchi is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Cholecystitis, Lung Metastases, Familial HDL Deficiency, Endoscopy, and Ureteroscopy.

Michelle Jurkonie is a primary care provider, practicing in Family Medicine in Mount Prospect, Illinois. Dr. Jurkonie is rated as an Advanced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Colitis, Low Sodium Level, Chronic Cough, and Familial Hypertension.

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 Colitis. 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 Advanced provider by MediFind in the treatment of Colitis. His top areas of expertise are Lower Esophageal Ring, Benign Esophageal Stricture, Diarrhea, Gastrectomy, and Endoscopy.