Natalie Elkins, FNP Guthrie Provider Specialties Hematology Medical Oncology Appointments & Contact Accepting New Patients Call: 607-756-3500 Locations Location Guthrie Cortland Medical Center Hospital 134 Homer Avenue Cortland, NY 13045 Get Directions 607-756-3500 Education Certification American Academy of Nurse Practitioners Education State University of New York Upstate Medical University, Syracuse, N.Y.