Michele Barnhill, M.D.

Michele Barnhill, M.D., is a gastroenterologist and transplant hepatologist at Mayo Clinic in Phoenix, Arizona. She specializes in the diagnosis and management of complex liver diseases, advanced liver conditions, and care for patients undergoing liver transplant evaluation and transplantation.

Dr. Barnhill provides comprehensive care for patients with a wide range of liver and digestive diseases, including cirrhosis, metabolic dysfunction-associated steatotic liver disease (MASLD), alcoholic hepatitis, autoimmune hepatitis, primary biliary cholangitis, primary sclerosing cholangitis, hepatocellular carcinoma, cholangiocarcinoma amongst other hepatobiliary diseases. She is a member of Mayo Clinic’s Liver Transplant Program, Hepatobiliary Clinic, and Transplant Oncology Clinic where she collaborates with multidisciplinary specialists to deliver individualized, evidence-based care.

Dr. Barnhill is board-certified in internal medicine, gastroenterology and transplant hepatology by the American Board of Internal Medicine. She completed fellowship training in transplant hepatology at Mayo Clinic School of Graduate Medical Education in Arizona and served as chief fellow in gastroenterology at MedStar Georgetown University Hospital. She additionally serves as the Associate Program Director for the Transplant Hepatology Fellowship. 

In addition to caring for patients with advanced liver disease and those requiring liver transplantation, Dr. Barnhill performs gastrointestinal procedures including colonoscopy and esophagogastroduodenoscopy including variceal band ligation. Her clinical approach focuses on providing compassionate, personalized care while helping patients navigate complex medical conditions with confidence and clarity.

As part of Mayo Clinic’s integrated practice, Dr. Barnhill works with experts across specialties to provide coordinated care tailored to each patient’s health needs.