Tyson Amundsen, M.D.

Dr. Tyson Amundsen is Board Certified in Gastroenterology. As a general gastroenterologist, he is honored to care for any gastrointestinal issue, but is especially passionate about inflammatory bowel disease, colorectal cancer prevention, and liver disease.

From early on in medical school, Dr. Amundsen was drawn to the digestive system and excelled in the gastroenterology subject matter. Even though he had no prior connection to gastroenterology, he found great satisfaction and meaning in caring for patients with digestive and liver conditions. His most rewarding experiences came when he was seeing patients in clinic, assisting with endoscopic procedures, helping manage GI emergencies in the hospital, or supporting patients through the liver transplant process. It confirmed for him that this is the field he wanted to dedicate his career to.

Dr. Amundsen is a comprehensive gastroenterologist passionate about caring for the full spectrum of digestive health. Whether you’re seeking relief from common GI symptoms like heartburn or bloating, or need help managing complex, long-term conditions such as inflammatory bowel disease or liver disease, he brings the same dedication and attention to every patient. He is highly trained in integrating endoscopic procedures for prevention, diagnosis, and management of gastrointestinal conditions. Whether your health concerns are resolved quickly or require a longer journey, he is committed to building a partnership with you—working together to help you feel better, stay well, and be your best self. With experience across nearly every area of gastroenterology, Dr. Amundsen’s goal is to provide thoughtful, comprehensive care tailored to your unique needs.

Dr. Amundsen obtained his Medical Degree from the University of Arizona College of Medicine – Phoenix. He then completed his Internal Medicine Residency at Texas A&M Health Science Center College of Medicine – Scott & White and then went on to the the University of Tennessee Heath Science Center- Gastroenterology & Hepatology for his GI fellowship.

In his free time, he enjoys playing and watching soccer, skiing, reading, and crossword puzzles. More fun and fulfilling than all of these for Dr. Amundsen is spending time with his family!

Education:

• Medical Degree – University of Arizona College of Medicine – Phoenix
• Internal Medicine Residency – Texas A&M Health Science Center College of Medicine – Scott & White
• Gastroenterology Fellowship – University of Tennessee Heath Science Center- Gastroenterology & Hepatology

Professional Affiliations

• American College of Gastroenterology (ACG)
• American Gastroenterology Association (AGA)
• American Association for the Study of Liver Diseases (AASLD)
• Crohn’s and Colitis Foundation

Awards & Recognition

• 2022 Presidential Poster Award, American College of Gastroenterology Annual Meeting
• 2019 Resident Essay Contest Winner (Restructuring the U.S. Healthcare System: Ethical Considerations)
• 2015 Outstanding Senior in Latin American Studies, Department of Humanities, University of Utah

Conditions:

• ALL
• Abdominal Pain
• Acid Reflux
• Anal Fissure
• Barrett’s Esophagus
• Bleeding or Blood in the Stool
• Bloating
• C. Difficile Colitis
• Celiac Disease
• Colitis
• Colon Cancer
• Colorectal Polyps
• Constipation
• Crohn’s Disease
• Cyclic Vomiting Syndrome (CVS)
• Diarrhea
• Diverticulitis
• Diverticulosis
• Dysphagia
• Eosinophilic Esophagitis
• Esophageal Cancer
• Esophageal Motility Disorder
• Esophagitis
• Failure To Thrive (FTT)
• Fatty Liver Disease
• Fistula
• Food Intolerance
• GERD – Gastroesophageal Reflux Disease
• Gastritis
• H. Pylori – Heliobacter Pylori
• Hemorrhoids
• Hepatitis
• IBD – Inflammatory Bowel Disease
• IBS – Irritable Bowel Syndrome
• Ileitis
• Iron Deficiency Anemia
• Jaundice
• Lactose Intolerance
• Liver Cirrhosis
• NASH – Non-Alcoholic Steatohepatitis
• Other:
• PBC – Primary Biliary Cholangitis
• PSC – Primary Sclerosing Cholangitis
• Pancreatitis
• Peptic Ulcers
• Stomach Cancer
• Submucosal Lesions
• Ulcerative Colitis
• obesity 

Procedures:

• Abdominal Ultrasound
• Argon Laser Therapy
• Barium Studies of the Intestines
• CT or CAT Scan – Computed Tomography
• Capsule Endoscopy
• Colonoscopy with Polypectomy
• Correction Of Fistula
• Endoscopic Mucosal Resection
• Esophageal Dilation
• Esophageal Impedance Testing
• Esophageal Manometry (Mobility Study)
• Esophagogastroduodenoscopy (EGD)
• Feeding Tube Insertion (PEG)
• Fibroscan
• Flexible Sigmoidoscopy
• Hemorrhoid Banding
• Infusion Therapy (IV Infusion)
• MRI, MRA, MRCP
• TPN – Total Parenteral Nutrition
• X-Ray