Erin Lawrence, RPA-C Guthrie Provider Specialty Orthopedic Clinical Interests Arthritis Hand injuries Appointments & Contact Accepting New Patients Call: 607-758-3750 Locations Location Cortland Orthopedics Clinic 1104 Commons Avenue Cortland, NY 13045 Get Directions 607-758-3750 Education Certification National Commission on Certification of Physician Assistants Education Gannon University, Erie, Pa.