Our faculty include renowned physician-educators, physician-scientists and researchers with knowledge and practical experience in virtually every sub-specialty of gastroenterology – from endoscopy to hepatology to neurogastroenterology and motility.


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Kenneth J. Vega, M.D., FACP, AGAF

Professor & Division Chief Co-Director, Digestive Health Center

Dr. Vega is an expert in gastroesophageal reflux disease and ethnic/gender variations in Barrett's esophagus.  His clinical expertise includes treatment of all manifestations of gastroesophageal reflux disease including Barrett's esophagus, esophageal motor disorders, peptic ulcer disease, and colonoscopy for colon cancer screening. Dr. Vega's research interests are focused on gastrointestinal reflux disease, Barrett's esophagus, esophageal stem cells, esophageal motility, and epidemiology of gastrointestinal cancers along with ethnic/gender disparities in gastrointestinal diseases, treatment and outcome.

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Leonard Little

Leonard Little, MD

Clinical Assistant Professor  Chief, GI - Charlie Norwood VA Medical Center

Dr. Little is a Gastroenterologist and also the Chief of GA at the Charlie Norwood VA Medical Center.   He joined the division of Gastroenterology in September, 2015.  Dr. Little came to our division most recently from local private practice where he specialized in Gastroenterology since September, 2001.

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Dr. Satish Rao

Satish SC Rao, MD, PhD, FRCP, FACG, AGAF

Professor of Medicine

Satish Rao, MD, PhD, past-president of the American Neurogastroenterology and Motility Society. Dr. Rao is also the recipient of the three highest honors awarded by the American Gastroenterological Association, the world’s premier gastroenterology society. These include the Distinguished Clinician, Distinguished Educator and Master Researcher awards.

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Dr. Amol Sharma

Amol Sharma, MD, MSA

Associate Professor 

Amol Sharma, MD is a gastroenterologist with a specific clinical and research interest in Neurogastroenterology & GI Motility. He is a compassionate clinician focused on providing his patients with evidence based and patient-centered care.

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Dr. Humberto Sifuentes

Humberto Sifuentes, MD

Associate Professor Director, IBD Fellowship Program Director

Humberto Sifuentes, M.D. joined our section in July 2014 after completing his Gastroenterology/Hepatology fellowship with us at the Medical College of Georgia/ Augusta University. Dr. Sifuentes specializes in Inflammatory Bowel Disease (IBD), GI Bleeding, Constipation and Gastroparesis.

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Zain A. Sobani, MBBS

Assistant Professor

Originally from Pakistan, Dr. Sobani graduated from the Aga Khan University Medical College in 2012. Upon graduation, Dr. Sobani completed an internship in General Surgery from the Ichan School of Medicine, Mount Sinai West, followed by a residency in Internal Medicine from Maimonides Medical Center, and a fellowship in Gastroenterology and Hepatology from the University of New Mexico. Dr. Sobani's research interests focus on novel, minimally invasive endoscopic techniques to manage a variety of gastrointestinal conditions.


Dr. Charles Spurr

Charles L. Spurr, MD

Clinical Assistant Professor

Charles L. Spurr, MD, brings a vast repository of knowledge and experience on the efficient management of common gastroenterological and hepatological  problems in the community and on how to establish a GI practice. He serves full time  at the local VA Hospital.

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Dr. Subbaramiah Sridhar

Subbaramiah Sridhar, MBBS, MPH, FRCP (Edin), FRCP (Glasg), FRCP (Lond), FRSS (Lond), FRCPC (Med & Gastro), FACP, FACG, FASGE, FASLM&S (USA), AGAF, FAAG, MAAG

Professor - Advanced Endoscopy

You’ll also benefit from the knowledge, expertise and wisdom of Subbaramiah Sridhar, MBBS, MPH. This internationally respected physician-educator serves as an examiner at the Royal College of Physicians in UK. Dr. Sridhar excels in advanced endoscopy, ERCP and EUS.

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Viveksandeep Thoguluva Chandrasekar, MBBS

Assistant Professor - Advanced Endoscopy

Dr. Viveksandeep Thoguluva Chandrasekar earned his medical degree from Madras Medical College in Chennai, India. Upon graduation, he completed his Internal Medicine residency at SUNY Upstate Medical University, Syracuse, New York and Gastroenterology & Hepatology fellowship at the University of Kansas School of Medicine. He went on to pursue additional fellowship training in Interventional and Therapeutic Endoscopy at the Mayo Clinic in Arizona. He joined the faculty at Medical College of Georgia in 2021 as Assistant Professor of Medicine in the Division of Gastroenterology & Hepatology


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John Erikson L. Yap, MD

Assistant Professor Associate Fellowship Program Director

Dr. Yap is a compassionate and dedicated gastroenterologist with experience in treating both common as well as complicated gastroenterological and hepatological diseases. He provides evidence-based management for his patients.

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