The 20 Best Hemorrhagic Proctocolitis Doctors Near Me in Highland Park, IL
Find the Top Hemorrhagic Proctocolitis Experts and Specialists
Uchicago Medicine Northbrook-Urogynecology And Pelvic Reconstructive Surgery
David Rubin is a Gastroenterologist practicing medicine in Northbrook, Illinois. Dr. Rubin is rated as an Elite provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Crohn's Disease, Viral Gastroenteritis, Ileostomy, and Endoscopy.
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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 Hemorrhagic Proctocolitis. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Hemorrhagic Proctocolitis, Endoscopy, and Colonoscopy.
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 Hemorrhagic Proctocolitis. 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 Hemorrhagic Proctocolitis. 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.
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 Hemorrhagic Proctocolitis. 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
Tara Troy is a Gastroenterologist practicing medicine in Northbrook, Illinois. Dr. Troy is rated as an Advanced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. 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.
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 Hemorrhagic Proctocolitis. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Cholangitis, Sclerosing Cholangitis, Bile Duct Obstruction, Gastrectomy, and Pancreatectomy. Dr. Bajaj is board certified in American Board Of Internal Medicine.
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 Hemorrhagic Proctocolitis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Colonoscopy. Dr. Tick 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 Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. 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.
Endeavor Health Medical Group
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 Hemorrhagic Proctocolitis. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Rectal Prolapse, Hemorrhoids, Familial Colorectal Cancer, Bladder Reconstruction, and Small Bowel Resection.
Comprehensive Gastrointestinal Health
Jeffrey Nathanson is a Gastroenterologist practicing medicine in Northbrook, Illinois. Dr. Nathanson is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. 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.
Alexander Tosiou is a Gastroenterologist practicing medicine in Lake Forest, Illinois. He has been practicing medicine for over 33 years. Dr. Tosiou is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Lower Esophageal Ring, Benign Esophageal Stricture, Diarrhea, Gastrectomy, and Endoscopy. Dr. Tosiou is board certified in American Board Of Internal Medicine - Gastroenterology (Certified).
Frank Martini is a Gastroenterologist practicing medicine in Lake Forest, Illinois. He has been practicing medicine for over 44 years. Dr. Martini is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Visceromegaly, Collagenous Colitis, Endoscopy, and Gastrectomy. Dr. Martini is board certified in American Board Of Internal Medicine - Gastroenterology (Certified).
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 Hemorrhagic Proctocolitis. 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 Hemorrhagic Proctocolitis. 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
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 Hemorrhagic Proctocolitis. He is also highly rated in 77 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Chronic Cough, Coronary Heart Disease, and Paroxysmal Supraventricular Tachycardia (PSVT). Dr. Sultan is board certified in American Board Of Internal Medicine and American Board Of Medical Genetics.
Endeavor Health Medical Group
Arielle Levitan, MD, an internal medicine physician at Endeavor Health, provides primary care for adults across all stages of life. She emphasizes continuity of care, patient partnerships and personalized health planning. Her clinical interests include preventive medicine, chronic disease management and helping patients navigate healthcare decisions with evidence-based support. Dr. Levitan is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Sitosterolemia, Familial Neurocardiogenic Syncope, Hypothyroidism, and Varicose Veins. Dr. Levitan is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
Kimberly Schaefer, MD, an internal medicine physician at Endeavor Health, provides primary care for adults with a focus on prevention, education and long-term relationships. She works closely with patients to create care plans based on evidence-based guidelines and personal goals. Dr. Schaefer values trust, communication and continuity of care. Dr. Schaefer is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses Diarrhea, Trichohepatoenteric Syndrome, Childhood Iron Deficiency Anemia, and Large-Cell Immunoblastic Lymphoma. Dr. Schaefer is board certified in American Board Of Internal Medicine.
Endeavor Health Medical Group
Jonathan Brown, MD, an internal medicine physician at Endeavor Health, provides primary and preventive care for adults across all stages of life. With more than 25 years in practice, he prioritizes strong doctor-patient partnerships built on trust, open communication and mutual respect. Dr. Brown aims to create a welcoming, nonjudgmental environment where patients feel heard, safe and empowered to take charge of their health. Dr. Brown is rated as an Experienced provider by MediFind in the treatment of Hemorrhagic Proctocolitis. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Temporal Arteritis, Undifferentiated Connective Tissue Disease (UCTD), Alcoholic Cirrhosis, and Visceromegaly. Dr. Brown 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 Hemorrhagic Proctocolitis. 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).
Last Updated: 04/28/2026

















