Trivalley Family Practice PLLC. 7137 Mount Pleasant Rd Po Box, 549, Canastota, NY 13032 map. Call for an Appointment. Oneida Health Systems, Inc. 321 Genesee Street, Oneida, NY 13421 map. Call for an Appointment. Dr. John Wight is a family physician in Vernon, NY, who offers primary care services for every member of the family - from children ....