Gastroenterology Keywords: Advanced Search Directory View All Listings German A Oliver, MD Listing Title German A Oliver, MD Listing Category Gastroenterology Address 2694 North Galloway Avenue, Suite 501 Mesquite, Texas 75150 Octavio de la Pena, MD Listing Title Octavio de la Pena, MD Listing Category Gastroenterology Venessa Beckam, MD Listing Title Venessa Beckam, MD Listing Category Gastroenterology Phone (469) 980-2727 Address 4401 Coit Rd #201, Frisco, TX 75035 Venessa M Beckham Listing Title Venessa M Beckham Listing Category Gastroenterology Address 4401 Coit Rd. Ste.201, Frisco, TX 75035