"Dr. Rodemann is board certified in gastroenterology and board certified in internal medicine. He completed a fellowship at the University of Pittsburgh's Division of Gastroenterology, Hepatology and Nutrition, where he was named chief fellow. Prior to that, Dr. Rodemann was a clinical instructor of medicine at Washington University in St. Louis, where he had completed his internal medicine residency. Dr. Rodemann earned his medical degree at Loyola University in Chicago. In addition to inflammatory bowel disease and screening colonoscopy, Dr. Rodemann's areas of interest include irritable bowel syndrome and biliary disease. His particular skills include esophagogastroduodenoscopy, with treatment of variceal and non-variceal bleeding; colonoscopy, with polypectomy and treatment of bleeding; video pill endoscopy; ERCP; PEG placement; and nasal endoscopy with placement of post-pyloric feeding tubes. He is on staff at SSM Health St. Joseph Hospital - Lake Saint Louis. ""I am drawn to gastroenterology because of the opportunity to treat a variety of diseases involving the GI tract, liver and pancreas. I am particularly interested in inflammatory bowel disease and the impact that screening colonoscopy has on preventing colon cancer. I am excited to bring my special training home to the St. Louis area and feel privileged to take care of patients in St. Charles County.""-Joseph Rodemann, MD". Dr. Rodemann is highly rated in 11 conditions, according to our data. His top areas of expertise are Morning Sickness, Esophagitis, Swallowing Difficulty, Endoscopy, and Colonoscopy.

Louay Omran, MD, is a board-certified gastroenterologist, and a formally trained advanced endoscopist. He has the ability to perform endoscopic ultrasound (EUS), ERCP, and luminal stenting to relieve obstruction. Dr. Omran is available for the evaluation and management of patients with both common and challenging gastrointestinal disorders. Dr. Omran attended medical school in Syria, and completed internal medicine residencies and two fellowships (geriatric medicine and gastroenterology & hepatology) at Saint Louis University. He also completed a fellowship in advanced endoscopy and pancreatic diseases at the Medical University of South Carolina. He is a board certified physician nutritionist. Before joining SSM Health Medical Group, Dr. Omran practiced gastroenterology and advanced endoscopy at SSM Health Saint Louis University Hospital as a member of SLUCare. For over 15 years, he was a key faculty member participating in the education and training of students, residents and fellows. He won numerous teaching awards in the process. Dr. Omran was elected to become a Fellow of the American College of Physicians. He is also a member of the American Society for Gastrointestinal Endoscopy, the American Gastrointestinal Association, and the American College of Gastroenterology. Dr. Omran is married to Pascale Salam, MD, and has two sons. His hobbies include reading modern history and biographies, trivia, soccer and tennis. Dr. Omran is highly rated in 10 conditions, according to our data. His top areas of expertise are Choledocholithiasis, Childhood Pancreatitis, Acute Pancreatitis, Endoscopy, and Colonoscopy.

Qaiser Jawaid is a Gastroenterologist in O Fallon, Missouri. Dr. Jawaid is highly rated in 14 conditions, according to our data. His top areas of expertise are Choledocholithiasis, Diverticular Disease, Menetrier Disease, Endoscopy, and Gastrectomy.

"Dr. Tariq is board certified in gastroenterology and internal medicine. His fellowship in gastroenterology and hepatology at Saint Louis University was completed in 2011. Prior to that he had earned board certification in geriatrics and spent over 10 years in the practice of geriatrics and internal medicine, which included patient care, research and teaching, and several directorships of geriatric programs in the St. Louis area. Dr. Tariq's fellowship in geriatrics was served at Saint Louis University, as was his internal medicine residency. ""My years in geriatric medicine were very rewarding. Now with this additional subspecialty, I look forward to helping adult patients of all ages with their gastrointestinal issues. I am excited to have partnered with Dr. Rodemann and SSM Health in this next chapter of my career.""- Syed Tariq, MD". Dr. Tariq is highly rated in 17 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Crohn's Disease, Familial Adenomatous Polyposis, Colonoscopy, and Endoscopy.

Dr. Elizabeth Marsicano is a gastroenterologist who treats patients ages 18 and older. She specializes in treating gastroesophageal reflux disease (GERD); esophageal motility/swallowing issues; chronic constipation; chronic diarrhea; celiac disease; Barrett's esophagus; pelvic floor disorders; inflammatory bowel disease (IBD); metabolic liver disease; hepatitis B/C; hemochromatosis; autoimmune liver disease cirrhosis; and gastrointestinal diseases in pregnancy. She also performs colonoscopies and upper endoscopies. Dr. Marsicano aims to create a collaborative relationship with her patients to ensure optimal management of their gastrointestinal concerns through evidence-based practice, education, and mutual understanding. She works closely with her patients and their families to tailor a treatment plan that meets their specific needs and goals. Dr. Marsicano is a founding member of the Missouri Gastroenterology Society; a member of the American College of Gastroenterology; and a member of the American Neurogastroenterology and Motility Society. Fun fact: Dr. Marsicano enjoys traveling, yoga, and reading in her spare time. Dr. Marsicano is highly rated in 1 condition, according to our data. Her top areas of expertise are Ascites, Diverticular Disease, Hemorrhoids, Endoscopy, and Gastrectomy.

David Lotsoff is a Gastroenterologist in O Fallon, Missouri. Dr. Lotsoff is highly rated in 4 conditions, according to our data. His top areas of expertise are Lower Esophageal Ring, Benign Esophageal Stricture, Painful Swallowing, Gastrectomy, and Gastrostomy.

Chaudhary Khan is a Gastroenterologist in O Fallon, Missouri. Dr. Khan is highly rated in 2 conditions, according to our data. His top areas of expertise are Intestinal Cancer, Trichohepatoenteric Syndrome, Visceromegaly, Colonoscopy, and Endoscopy.

Dr. Marcu is board certified in gastroenterology as well as in internal medicine. He earned his medical degree from University of Medicine and Pharmacy - Bucharest and Carol Davila School of Medicine in Romania. Dr. Marcu received his residency training at Saint Louis University Hospital, where he also completed his gastroenterology fellowship. He has been in practice since 1999. Dr. Marcu provides the following procedures including, but not limited to colonoscopy, EGD, ERCP, flex sig, liver biopsy, paracentesis, Remicade infusion, small bowel endoscopy, percutaneous endoscopic gastrostomy, and colon with banding of internal hemorroids. He has a special interest in advanced endoscopy. He is on staff at SSM Health St. Joseph Hospital - St. Charles. Dr. Marcu is highly rated in 20 conditions, according to our data. His top areas of expertise are Benign Esophageal Stricture, Lower Esophageal Ring, Menetrier Disease, Gastrectomy, and Colonoscopy.

Board- certified in gastroenterology and hepatology, Dr. McDonough earned his medical degree from the University of Missouri-Columbia School of Medicine. He completed an internal medicine residency at Washington University School of Medicine, Barnes-Jewish Hospital, and fellowships in gastroenterology and hepatology at the University of Virginia in Charlottesville, VA. During his fellowship training, he participated in the Rural Area Medical Outreach program providing colorectal cancer screening to the underserved population in southwestern Virginia. On staff at DePaul Hospital for more than 10 years, Dr. McDonough serves as medical director of the Hepatitis C Clinic. A member of the American College of Gastroenterology and the American Gastroenterology Association, he has authored several articles for medical publications and has received numerous honors and awards, including the DePaul Hospital Compassion Award. Dr. Mcdonough is highly rated in 18 conditions, according to our data. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Ascites, Painful Swallowing, Gastrostomy, and Gastrectomy.

Dr. Richard Geisman is a gastroenterologist who treats patients ages 18 and older. His specialties include general gastroenterology; colon cancer prevention; Crohn's disease; ulcerative colitis; inflammatory bowel disease (IBD); gastroesophageal reflux disease (GERD); and acid reflux. He also performs colonoscopies and upper gastrointestinal endoscopies. Dr. Geisman provides quality, compassionate medical care to his patients, who appreciate how professional, attentive, and personable he is. He takes his time to listen and provides them with a thorough explanation and guidance on treatment and next steps. His mission is to help his patients achieve the best overall health possible. Dr. Geisman is a fellow with the American Gastroenterological Association and a member of the American Society Gastrointestinal Endoscopy. Fun fact: Dr. Geisman's hobbies include exercise, reading, golf, bicycling, and traveling. Dr. Geisman is highly rated in 15 conditions, according to our data. His top areas of expertise are Diverticular Disease, Esophagitis, Turcot Syndrome, Endoscopy, and Colonoscopy.

Dr. Y.A. Ghouri is a gastroenterologist who treats patients ages 18 and older. His specialties include inflammatory bowel disease (IBD), endoscopic therapy, irritable bowel syndrome (IBS), and the gut microbiome. He also diagnoses and treats various gastrointestinal conditions such as ulcers, constipation, nausea, ulcerative colitis (UC), noninfectious gastroenteritis, and Crohn's disease. Dr. Ghouri is renowned for providing quality, compassionate medical care to his patients, which is further highlighted by his friendly bedside manner, attention-to-detail, responsiveness, and patience. He takes his time, listening to his patients and then explaining the appropriate treatment recommendations, which are tailored to their specific needs. He works to ensure a patient's gastrointestinal condition doesn't completely take over or disrupt his or her daily activities. An expert in gastroenterology, Dr. Ghouri has been widely published in various medical journals on topics such as IBD, IBS, UC, GI tumors, and Crohn's disease. Dr. Ghouri is highly rated in 10 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Crohn's Disease, Familial Colorectal Cancer, Endoscopy, and Colonoscopy.

Board-certified gastroenterologist Richard Riegel, MD, sees patients at Gateway Gastroenterology in Chesterfield, Missouri. He strives to provide unparalleled care aimed at improving the digestive health of his patients.A native of St. Louis, Dr. Riegel graduated with honors from the University of Missouri-Columbia School of Medicine. He then completed both his Internal Medicine internship and residency at Vanderbilt University in Nashville, Tennessee. From Vanderbilt, Dr. Riegel returned to St. Louis to complete three additional years of medical training in the Division of Gastroenterology/Hepatology at Saint Louis University.Dr. Riegel is an active member of the American College of Gastroenterology and the American Gastroenterological Association.Dr. Riegel has participated in the education and training of medical house staff at St. John’s Mercy Medical Center. He has a diverse practice specializing in all aspects of general gastroenterology, hepatology, and endoscopic procedures. He has been in private practice since 1997. He is married with three wonderful children. Dr. Riegel is highly rated in 1 condition, according to our data. His top areas of expertise are Heartburn, Swallowing Difficulty, Painful Swallowing, Endoscopy, and Gastrectomy.

Elie Chahla is a Gastroenterologist in Chesterfield, Missouri. Dr. Chahla is highly rated in 12 conditions, according to our data. His top areas of expertise are Macroamylasemia, Gastrointestinal Bleeding, Hereditary Pancreatitis, Colonoscopy, and Endoscopy.

Michael Cleary is a Gastroenterologist in Lake Saint Louis, Missouri. Dr. Cleary is highly rated in 10 conditions, according to our data. His top areas of expertise are Gardner Syndrome, Turcot Syndrome, Crohn's Disease, Gastrectomy, and Endoscopy.

Mei Huang is a Gastroenterologist in Saint Peters, Missouri. Dr. Huang is highly rated in 5 conditions, according to our data. Her top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Esophagitis, Colonoscopy, and Gastrectomy.

Raymond Mohrman is a Gastroenterologist in Bridgeton, Missouri. Dr. Mohrman is highly rated in 4 conditions, according to our data. His top areas of expertise are Morning Sickness, Irritable Bowel Syndrome (IBS), Swallowing Difficulty, Gastrostomy, and Gastrectomy.

Anuj Chhaparia is a Gastroenterologist in Saint Peters, Missouri. Dr. Chhaparia is highly rated in 1 condition, according to our data. His top areas of expertise are Menetrier Disease, Gastrointestinal Bleeding, Juvenile Polyposis Syndrome, Gastrostomy, and Endoscopy.

Jeffrey Mathews, MD, is committed to providing his patients with a wide range of gastroenterology services in a compassionate and timely manner at Gateway Gastroenterology, in Chesterfield, Missouri. He is board-certified in gastroenterology and hepatology.Dr. Mathews is a life-long St. Louisan. He attended the University of Missouri – Kansas City Six-Year Medical School Program before going on to complete his fellowship in gastroenterology and hepatology at St. Louis University.Making every effort to stay up-to-date on the latest advancements in his field, Dr. Mathews maintains active memberships with the American Society of Gastrointestinal Endoscopy and the American College of Gastroenterology.At Gateway Gastroenterology, Dr. Mathews designs treatment plans unique to his patients' needs and concerns. He takes time to clearly communicate his treatment recommendations and encourages them to play an active role in their health care. Dr. Mathews is highly rated in 6 conditions, according to our data. His top areas of expertise are Painful Swallowing, Swallowing Difficulty, Barrett Esophagus, Gastrectomy, and Endoscopy.

Jason Haas, D.O. is dedicated to providing the highest quality of care to all his patients. He has strong communication skills which allow him to connect with patients, staff and colleagues. For the past eight years, Dr. Haas has been a gastroenterologist practicing in Springfield, Missouri with Cox Medical Clinic. He is a board-certified gastroenterologist that completed his GI Fellowship training at Aurora Health Care in Milwaukee, WI and his Internal Medicine Residency at Gundersen Health Care in LaCrosse, WI. His wife is from. St. Louis, and in their spare time Dr. Haas enjoys traveling with her and their two daughters. Dr. Haas has been a member of the Colorectal Awareness Party in Springfield, which helps raise money and provide free colonoscopy evaluations for patients in need. Dr. Haas is highly rated in 5 conditions, according to our data. His top areas of expertise are Gastrointestinal Bleeding, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Gastrectomy.

Board-certified in gastroenterology and hepatology, dedicated physician Brian McMorrow, MD, provides a full range of care for gastrointestinal conditions. As part of the team at Gateway Gastroenterology, Dr. McMorrow is proud to serve the community of Chesterfield, Missouri with exceptional care. Dr. McMorrow completed his undergraduate studies at the University of California – Davis, earning his Bachelor of Science degree. From there, he moved to Missouri to pursue his medical degree at St. Louis University, where he would later also complete his internal medicine residency.A member of the American Gastroenterological Association and the American Society for Gastrointestinal Endoscopy, Dr. McMorrow prioritizes ongoing education and makes every effort to stay on top of the latest developments in his field. When he’s away from the office, Dr. McMorrow is an avid runner, hiker, and part-time soccer coach. He welcomes new patients to Gateway Gastroenterology and looks forward to providing them with top-quality care. Dr. Mcmorrow is highly rated in 2 conditions, according to our data. His top areas of expertise are Barrett Esophagus, Esophagitis, Gastric Dysmotility, Gastrectomy, and Endoscopy.

Dr. Diwakaran is board certified in gastroenterology as well as in internal medicine. He has been in practice since 2002. Dr. Diwakaran served a gastroenterology fellowship at Saint Louis University Hospital after his residency training at Wayne State University - Detroit Medical Center. He attended medical school at Madras Medical College in India. Dr. Diwakaran provides the following procedures including, but not limited to colonoscopy, EGD, flex sig, liver biopsy, paracentesis, Remicade infusion, small bowel endoscopy, percutaneous endoscopic gastrostomy, and colon with banding of internal hemorroids. He has a special interest in colon colonoscopy for colon cancer prevention. He is on staff at SSM Health St. Joseph Hospital - St. Charles and SSM Heatlh St. Joseph Hospital - Lake Saint Louis. Dr. Diwakaran is highly rated in 1 condition, according to our data. His top areas of expertise are Esophagitis, Gastrointestinal Bleeding, Swallowing Difficulty, Endoscopy, and Gastrectomy.

Robert Cusworth is a Gastroenterologist in Saint Peters, Missouri. His top areas of expertise are Esophagitis, Achalasia, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.

Layla Hajjafar is a Gastroenterologist in Lake Saint Louis, Missouri. Her top areas of expertise are Hepatitis, Autoimmune Hepatitis, Macroamylasemia, Gastrectomy, and Endoscopy.

James Petersen is a Gastroenterologist in Lake Saint Louis, Missouri. His top areas of expertise are Esophagitis, Familial Adenomatous Polyposis, Viral Gastroenteritis, and Colitis.

Lawrence Tierney is a Gastroenterologist in Saint Charles, Missouri. Dr. Tierney is highly rated in 8 conditions, according to our data. His top areas of expertise are Esophagitis, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Gastrectomy.