our providers

Our Gastroenterology providers offer patients the most advanced, safest and proven medical treatments of the digestive tract

For over three decades, Gastroenterology Associates has cared for the digestive health of Southern Nevadans. We strive to deliver compassionate, progressive medicine and an unsurpassed level of safety. Our Board Certified physicians are dedicated to providing superior medical care for a range of digestive disorders, including conditions involving the esophagus, stomach, intestines, liver, pancreas and gallbladder. 

Frank J. Nemec, M.D.


Donald L. Kwok, M.D.


Gregory M. Kwok, M.D.


Brent. R. Burnette, M.D.


Travis Vicker, D.O.


Rohtashav Dhir, M.D.


Madison Petty, PA-C

Gastroenterology Physician Assistant

"Top Doctors"

We voluntarily seek and exceed stringent national standards for medical quality and safety to ensure the most technologically advanced and reliable diagnostics and treatment plans. We are honored to be referred to patients by many of Las Vegas’ premier primary care physicians and work closely with these doctors to manage effective digestive health treatment.

Our physicians are consistently rated as the best Gastroenterologists in Las Vegas by US News & World Report, Castle Connolly, Vegas Inc., Desert Companion Magazine, Rate M.D. Website, and more.

Board Certified

5 Star Rating

Quick Turnaround

36 Years Experience

Get Help from The Best Gastroenterologists in Las Vegas