As the largest single specialty medical practice in the High Desert, The Gastro Group is the only group specializing in the
diagnosis and treatment of an array of digestive disorders. Our group of American Board of Internal Medicine Board Certified group of gastroenterologists offer a comprehensive approach using the most advanced endoscopic techniques to address your G.I. health concerns. 

The practice was created in 2011 by the merger of the individual medical practices of Drs. Thomas Nguyen, Arnab Biswas, and Richard Huang. By combining their resources, The Gastro Group has been formed to provide more efficient outpatient and 24-hour inpatient G.I. services to the entire High Desert servicing most of the metro’s major medical centers. We provide inpatient consultation services to St. Mary Medical Center in Apple Valley and Victor Valley Community Hospital and Desert Valley Medical Center in Victorville.

Silvia Martinez
Front office MA/Receptionist

Monica Magana, MA
Dr. Nguyen’s Medical Assistant

Anna Nunez, MA
Dr. Biswas’s Medical Assistant

Jennifer Bomortino, MA
Dr. Huang’s Medical Assistant

Katy Orozco
Billing Services

Christina Veliz
Insurance verification and billing services

Rosa Padilla, MA
HMO Authorization and new appointment coordinator