Our Health Care Team

If you have a digestive health disorder, big or small, we can help. As part of the region’s only comprehensive digestive health center, our physicians are specially trained and experienced in virtually every subspecialty of gastroenterology — from advanced endoscopy to hepatology to IBD and neurogastroenterology and motility.

Our center director, Satish Rao, MD, is an international leader in digestive health disorders. He is past president of the American Neurogastroenterology and Motility Society, a recipient of the three highest honors from the American Gastroenterological Association and a federally funded investigator.

Our staff includes:

Dr. Satish Rao
Satish Rao, MD
Dr. John Affronti
John P. Affronti, MD
Dr. Sherman Chamberlain
Sherman M.
Chamberlain, MD


Sumanth Daram, MD

Sandeep Khurana, MD
Dr. Thomas Kiernan
Thomas W. Kiernan, MD
Dr. Subbaramiah Sridhar
Sridhar, MD
Humberto Sifuentes, MD
Humberto Sifuentes, MD
Dr. Brian Lane
Brian Lane, MD
Dr. Sean Lee
Sean Lee, MD


Our Health Care Extenders

Kristen Sterling, ARNP and nurse manager, general gastroenterology

Michael Hodo, ARNP, hepatology and inflammatory bowel disorders

Nicole Shaffer, ARNP, neurogastroenterology and motility

Amanda Lee, ARNP, advanced endoscopy, biliary/pancreas

Amy Biedenbach, PA, minimally invasive digestive disease surgery

Nicole Moore, RD, clinical nutrition and dietary services and weight loss

Andy Yurechko, RD, clinical nutrition and dietary services and food intolerances