Specialties: Schenectady Gastroenterology Associates was founded by Dr. Joseph Cavallaro in 1971. The practice expanded into Saratoga, with the addition of Dr. Arthur Ostrov, in 1981 and changed names to Saratoga Schenectady Gastroenterology Associates. Over the years, the group has expanded to include sixteen gastroenterologists, and five mid-level practitioners. We have three convenient ....