The 20 Best Colonoscopy Doctors near weldon spring, MO
Find the Experts and Specialists who perform Colonoscopy
Premier Infectious Disease Consultants-O'Fallon
Qaiser Jawaid is a Gastroenterologist practicing medicine in O Fallon, Missouri. Dr. Jawaid is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Choledocholithiasis, Diverticular Disease, Menetrier Disease, Endoscopy, and Gastrectomy. Dr. Jawaid is currently accepting new patients.
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Nadia Zia is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Zia is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Acute Kidney Failure, Pneumonia, Hospital-Acquired Pneumonia, Endoscopy, and Hip Replacement.
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Chaudhary Khan is a Gastroenterologist practicing medicine in O Fallon, Missouri. Dr. Khan is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Esophagitis, Heartburn, Gastrectomy, and Colonoscopy. Dr. Khan is currently accepting new patients.
Ahmet Guler is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Guler is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, Colonoscopy, and Endoscopy. Dr. Guler is board certified in Missouri State Board Of Registration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , The National Board Of Physicians And Surgeons, American Board Of Internal Medicine , and Drug Enforcement Administration .
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David Lotsoff is a Gastroenterologist practicing medicine in O Fallon, Missouri. Dr. Lotsoff is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Lower Esophageal Ring, Benign Esophageal Stricture, Painful Swallowing, Gastrectomy, and Gastrostomy. Dr. Lotsoff is currently accepting new patients.
BJC Medical Group At O'Fallon
John O'brien is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. O'brien is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Type 2 Diabetes (T2D), Post Polio Syndrome, Hypertension, Colonoscopy, and Endoscopy.
SSM Health Medical Group
Syed Tariq is a Gastroenterologist practicing medicine in Lake St. Louis, Missouri. Dr. Tariq is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Crohn's Disease, Familial Adenomatous Polyposis, Colonoscopy, and Endoscopy. Dr. Tariq is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, Drug Enforcement Administration , and American Board Of Internal Medicine/Gastroenterology . Dr. Tariq is currently accepting new patients.
SSM Health Medical Group
Joseph Rodemann is a Gastroenterologist practicing medicine in Lake St. Louis, Missouri. Dr. Rodemann is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Morning Sickness, Esophagitis, Painful Swallowing, Endoscopy, and Colonoscopy. Dr. Rodemann is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, Drug Enforcement Administration , and American Board Of Internal Medicine/Gastroenterology . Dr. Rodemann is currently accepting new patients.
SSM Health Medical Group
Louay Omran is a Gastroenterologist practicing medicine in Lake St. Louis, Missouri. Dr. Omran is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Choledocholithiasis, Childhood Pancreatitis, Acute Pancreatitis, Endoscopy, and Colonoscopy. Dr. Omran is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, Drug Enforcement Administration , and American Board Of Internal Medicine/Gastroenterology . Dr. Omran is currently accepting new patients.
SSM Health Medical Group
Paul Hinton is a primary care provider, practicing in Pediatrics and Internal Medicine in Lake St. Louis, Missouri. Dr. Hinton is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Chronic Obstructive Pulmonary Disease (COPD), Type 2 Diabetes (T2D), Endoscopy, and Gastrostomy. Dr. Hinton is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Pediatrics , Missouri State Board Of Registration, American Board Of Internal Medicine , and Drug Enforcement Administration . Dr. Hinton is currently accepting new patients.
SSM Health Medical Group
Mark Leibold is a General Surgeon practicing medicine in Lake St. Louis, Missouri. Dr. Leibold is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hernia, Choledocholithiasis, Gallbladder Disease, Hernia Surgery, and Colostomy. Dr. Leibold is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Surgery , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Leibold is currently accepting new patients.
SSM Health Medical Group
David Nickel is a General Surgeon practicing medicine in Lake St. Louis, Missouri. Dr. Nickel is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Hernia, Gallbladder Disease, Hernia Surgery, and Colostomy. Dr. Nickel is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Surgery , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Nickel is currently accepting new patients.
SSM Health Medical Group
Elizabeth Marsicano is a Gastroenterologist practicing medicine in Lake St. Louis, Missouri. Dr. Marsicano is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Ascites, Diverticular Disease, Hemorrhoids, Endoscopy, and Gastrectomy. Dr. Marsicano is board certified in American Board Of Internal Medicine/Gastroenterology , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, American Board Of Internal Medicine , and Drug Enforcement Administration . Dr. Marsicano is currently accepting new patients.
Andrew Hellenga is a Hospital Medicine provider practicing medicine in Lake St. Louis, Missouri. Dr. Hellenga is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Gallbladder Disease, End-Stage Renal Disease (ESRD), Heart Failure with Preserved Ejection Fraction (HFpEF), Colonoscopy, and Endoscopy. Dr. Hellenga is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , Illinois Department Of Financial & Professional Regulation , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Hellenga is currently accepting new patients.
Barnes-Jewish St. Peters Hospital
Mei Huang is a Gastroenterologist practicing medicine in Saint Peters, Missouri. Dr. Huang is rated as an Advanced provider by MediFind in Colonoscopy. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Diverticular Disease, Familial Adenomatous Polyposis, Esophagitis, Colonoscopy, and Gastrectomy. Dr. Huang is currently accepting new patients.
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April Thebeau is a primary care provider, practicing in Internal Medicine in Saint Peters, Missouri. Dr. Thebeau is rated as an Advanced provider by MediFind in Colonoscopy. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Viral Gastroenteritis, Colitis, Urinary Tract Infection in Children, Colonoscopy, and Endoscopy.
Hospital Based Practice
John Hartweger is a primary care provider, practicing in Internal Medicine in Saint Peters, Missouri. Dr. Hartweger is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Infectious Arthritis, Pneumonia, Multisystem Inflammatory Syndrome in Children (MIS-C), Endoscopy, and Colonoscopy.
Gateway Gastroenterology Inc.
Jeffrey Mathews is a Gastroenterologist practicing medicine in Chesterfield, Missouri. Dr. Mathews is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Swallowing Difficulty, Painful Swallowing, Barrett Esophagus, Gastrectomy, and Endoscopy. Dr. Mathews is board certified in Gastroenterology.
Gateway Gastroenterology Inc.
Jason Haas is a Gastroenterologist practicing medicine in Chesterfield, Missouri. Dr. Haas is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Gastrectomy. Dr. Haas is board certified in Gastroenterology.
Gateway Gastroenterology Inc.
Richard Riegel is a Gastroenterologist practicing medicine in Chesterfield, Missouri. Dr. Riegel is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Heartburn, Swallowing Difficulty, Painful Swallowing, Endoscopy, and Gastrectomy. Dr. Riegel is board certified in Gastroenterology.
Last Updated: 09/26/2026










