Gabriel Garcia-Ryan, DO Guthrie Provider Specialty Family Medicine Appointments & Contact Call: 866-488-4743 Locations Locations Walk-In Care - Big Flats Walk-In Care 31 Arnot Road Big Flats, NY 14845 Get Directions 607-795-5100 Walk-In Care - Corning Centerway Walk-In Care 130 Centerway Corning, NY 14830 Get Directions 607-936-9971 Walk-In Care - Sayre Walk-In Care 1 Guthrie Square Sayre, PA 18840 Get Directions 570-887-2383 Walk-In Care - Towanda Walk-In Care 132 Colonial Drive Towanda, PA 18848 Get Directions 570-265-6165 Walk-In Care - Wellsboro Walk-In Care 110 Plaza Lane Wellsboro, PA 16901 Get Directions 570-724-4241 Education Residency Guthrie Robert Packer Hospital, Sayre, Pa. (Family Medicine) Education Rocky Vista University College of Osteopathic Medicine, Parker, Colo.