New Search Michael W. Berg MD Primary Specialties Gastroenterology Knapp Medical Group Address: 1330 East Sixth Street, Ste. 203 Weslaco, TX 78596 Phone: (956) 973-5815 Fax: (956) 969-0190 Recommend this Physician Education Medical Education - UTHSC Residency - Wilford Hall USAF Med. Cntr. Fellowship - Wilford Hall USAF Medical Center