The 20 Best Diarrhea Doctors Near Me in Saint Charles, MO
Find the Top Diarrhea Experts and Specialists
The 20 Best Diarrhea Doctors near Saint Charles, MO
MediFind found 154 doctor with experience in Diarrhea near Saint Charles, MO. Of these, 143 are Experienced, 7 are Advanced and 1 are Distinguished.
SSM Health Medical Group
Dr. Kramer is board certified in internal medicine. He earned his medical degree and completed his internship and residency at Saint Louis University. Dr. Kramer has been practicing with SSM Health since 2003. Dr. Kramer is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Lung Metastases, Memory Loss, Coronary Heart Disease, and Anemia.
SSM Health Medical Group
Dr. Kurt Piening is an internal medicine specialist who provides comprehensive primary care services for patients ages 18 and older. In addition to a focus on general health, his areas of expertise include obesity, coronary artery disease, chronic high blood pressure, diabetes, respiratory infections, back pain, and muscle pain. Inspired by his Jesuit education, Dr. Piening strives to be a 'Man for Others,' and practicing medicine allows him to do just that. He enjoys the diagnostic challenges that come with being a primary care provider, while being able to care for multiple generations of families. His patients appreciate how knowledgeable, thoughtful, patient, and thorough he is. Dr. Piening is a member of the American Medical Society; American College of Physicians; and the American College of Internal Medicine. Fun fact: Medicine is a family affair for Dr. Piening - his five sons are either licensed physicians or training to become physicians. Dr. Piening is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Lung Metastases, Childhood Pancreatitis, Coronary Heart Disease, Endoscopy, and Colonoscopy.
SSM Health Medical Group
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 rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Ascites, Painful Swallowing, Gastrostomy, and Gastrectomy.
SSM Health Medical Group
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 rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastrointestinal Bleeding, Crohn's Disease, Familial Colorectal Cancer, Endoscopy, and Colonoscopy.
SSM Health Medical Group
Dr. Jennings is board certified in family medicine. He completed his internship at Normandy Osteopathic Hospital - St. Louis. He completed his residency at Normandy Osteopathic Hospsital and earned his medical degree from Kirksville College of Osteopathic Medicine. He has been in practice for more than 20 years. Dr. Jennings is accepting only family members of current patients. Dr. Jennings is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Migraine, Chronic Obstructive Pulmonary Disease (COPD), Maturity Onset Diabetes of the Young, and Type 2 Diabetes (T2D).
Specialist In Gastroenterology
Leonard Weinstock is a Gastroenterologist in Saint Louis, Missouri. Dr. Weinstock is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Mast Cell Activation Syndrome (MCAS), Small Bowel Bacterial Overgrowth, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy.
SSM Health Medical Group
Martin Walsh is a primary care provider, practicing in Internal Medicine in Saint Charles, Missouri. Dr. Walsh is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Muscle Invasive Bladder Cancer, Lung Metastases, Coronary Heart Disease, Heart Failure with Preserved Ejection Fraction (HFpEF), and Carotid Artery Surgery.
Mercy Compounding And Home Infusion Pharmacy
Joanne Waltman is a primary care provider, practicing in Internal Medicine in Maryland Heights, Missouri. Dr. Waltman is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Small Cell Lung Cancer (SCLC), ALK-Positive Non-Small Cell Lung Cancer, Squamous Cell Lung Carcinoma, and EGFR Positive Lung Cancer.
Office
Pamela Buchanan is a primary care provider, practicing in Family Medicine in Saint Charles, Missouri. Dr. Buchanan is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Shingles, Urinary Tract Infection in Children, Urinary Tract Infection (UTI), and Lymphangitis.
Patrick McDonough LLC
Raymond Mohrman is a Gastroenterologist in Bridgeton, Missouri. Dr. Mohrman is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Morning Sickness, Irritable Bowel Syndrome (IBS), Swallowing Difficulty, Gastrostomy, and Gastrectomy.
Multi-Care Medical PC
Robyn Haithcock is a Gastroenterologist in Bridgeton, Missouri. Dr. Haithcock is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Esophagitis, Benign Esophageal Stricture, Lower Esophageal Ring, Gastrectomy, and Colonoscopy.
Office
Nicole Shen is a Gastroenterologist in Bridgeton, Missouri. Dr. Shen is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Ascites, Spontaneous Bacterial Peritonitis, Pseudomembranous Colitis, Liver Transplant, and Gastrectomy.
Metro Internal Medicine LLC
Roland Akinyede is a primary care provider, practicing in Geriatrics in Bridgeton, Missouri. Dr. Akinyede is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Chronic Kidney Disease, Dementia, Anemia, and Hypertension.
Sean Mclaughlin is a primary care provider, practicing in Internal Medicine in Bridgeton, Missouri. Dr. Mclaughlin is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Gardner-Diamond Syndrome, and Autoerythrocyte Sensitivity.
Total Access Urgent Care PC
Stanley Crown is a primary care provider, practicing in Family Medicine in Bridgeton, Missouri. Dr. Crown has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Tracheobronchomalacia, Acquired Tracheomalacia, Viral Pharyngitis, and Cellulitis.
SSM Health Medical Group
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 rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diverticular Disease, Esophagitis, Turcot Syndrome, Endoscopy, and Colonoscopy.
MDVIP - Saint Louis, MO
Mark Gregory is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Gregory is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Hernia Surgery, and Endoscopy. Dr. Gregory is currently accepting new patients.
SSM Health Medical Group
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 rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Esophagitis, Gastrointestinal Bleeding, Swallowing Difficulty, Endoscopy, and Gastrectomy.
SSM Health Medical Group
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 rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Benign Esophageal Stricture, Lower Esophageal Ring, Menetrier Disease, Gastrectomy, and Colonoscopy.
Specialist In Gastroenterology
Nikhil Banerjee is an Internal Medicine provider in Saint Louis, Missouri. Dr. Banerjee has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Gastrectomy.
Last Updated: 02/22/2026







