Home About Treatments Services Our Doctors & Staff Appointments Contact Clinical Trials RESPONSIBLE MEDICAL CARE Comprehensive & Compassionate READ MORE Colonoscopy To detect colon cancer Upper Endoscopy Upper endoscopy enables the physician to look inside the esophagus, stomach, and duodenum Hemorrhoid Treatment Non surgical removal of hemorrhoids Video Capsule Video Capsule endoscopy is a procedure that uses a tiny wireless camera to take pictures of your digestive tract. Gastroenterology & Nutrition Specialists Our practice has provided Orlando, Kissimmee, St. Cloud and Poinciana with the finest and highest level of comprehensive, compassionate and responsible medical care and treatment of disorders and diseases of the digestive system for more than 20 years. Treatments & Procedures Our experienced clinical practice takes advantage of modern Surgery Centers with the latest technologies for everything from complex motility disorders and pancreato-biliary diseases to small intestinal Video capsule endoscopy. About Us Gastroenterology & Nutrition was co-founded in 2001. Our vision was to create a sophisticated medical practice that emphasized in equal parts state-of-the-art medical care along with a warm and caring environment. Appointments To make an appointment, please call our office at 407-843-0443. You may also request an appointment online and we will get back to you within 24-48 hours to confirm your appointment. Our Doctors & Staff Dr. M. Asif Mohiuddin Gastroenterologist Ashley Clark ARNP Donna Smith Office Manager Locations Kissimmee 901-C E. Oak Street Call us: 407-843-0443 Fax: 407-847-0721 E-mail: info@tummydoctor.org Orlando St. Cloud Poinciana Our Medical Services BARRX Procedure Capsule Endoscopy Colorectal Cancer Screening ERCP Hemorrhoids Removal Upper Endoscopy See All Services Patient Information Request Appointments Download Center Insurance Plans Locations Testimonials Tel: 407-843-0443 Fax: 407-847-0721 TESTIMONIALS My doctor saved me from a major colon surgery. His superior medical care and dedication made the difference and I got better with his medication and beat the infection. Thank you Dr Mohiuddin. He is a very nice doctor , very professional and caring. He has good demeanor. I highly recommend him. I love my Doctor at GNS. He saved my live by finding a tumor that could have taken my life. I owe you one doctor!! HOSPITALS We are affiliated with the following hospitals: Florida Hospital Osceola Regional Medical Center St Cloud Regional Medical Center Orlando Health RECENT POSTS Kissimmee Mon 9:00 am - 5:00 pm Tue 9:00 am - 5:00 pm Wed 9:00 am - 5:00 pm Thu 9:00 am - 5:00 pm Fri 9:00 am - 3:00 pm Lunch 12:00 pm - 1:00 pm REQUEST APPOINTMENT © 2021 Gastroenterology & Nutrition Specialists