Meet Our Team of Experts
Orthopedic Team of Experts
Our board-certified surgeons conducted 3,664 surgeries in 2012. Orthopedic program manager, Tonya Nafzger, requires each nurse on the unit to complete Orthopedic Nurse Certification. This certification cannot be obtained until two years of intense criterion has been successfully completed and certification test has been passed. Our 100% orthopedic certified nurses assist our surgeons in caring for orthopedic surgery and total joint replacement patients. Expert orthopedic surgeons and certified nurses collaborate to provide you with the best procedural and surgical outcomes possible.
Mark M. D’Onofrio, M.D.
Doctor D’Onofrio specializes in total joint replacement and orthopedic surgery, and is certified by the American Board of Orthopaedic Surgery. Dr. D’Onofrio is a member of the American Academy of Orthopedic Surgeons and the American Medical Association. He completed his residency at Ohio State University Hospitals where he specialized in musculoskeletal and orthopedic surgery. Dr. D’Onofrio has been with Fairfield Medical Center since 2004.
Keith A. Hollingsworth, M.D.
Doctor Hollingsworth specializes in orthopedic surgery, and is certified by the American Board of Orthopaedic Surgery. Dr. Hollingsworth is member of the American Academy of Orthopedic Surgeons, Ohio Orthopedic Society and the Fairfield County Medical Society. Dr. Hollingsworth completed Residency at University of California, San Francisco Medical Center specializing in orthopedic surgery, and his Fellowship at Orthopedic and Fracture Clinic of Eugene with concentration in sports medicine. He has been with Fairfield Medical Center since 1997.
Steven V. Priano, M.D.
Doctor Priano specializes in orthopedic surgery and is certified by the American Board of Orthopaedic Surgery. He is a member of the American Academy of Orthopedic Surgeons and the Arthroscopy Association of North America. Dr. Priano completed his Residency at Allegheny General Hospital specializing in orthopedic surgery, and his Fellowship at The Ohio State University College of Medicine specializing in orthopedic surgery and sports medicine. He has been with Fairfield Medical Center since 2002.
David M. Vaziri, M.D.
Doctor Vaziri specializes in orthopedic surgery and is certified by both the American Board of Orthopaedic Surgery and American Board of Orthopedic Sports Medicine. His professional memberships and associations include: American Medical Association, Ohio State Medical Association, Ohio Orthopedic Society, Columbus Orthopedic Society, Columbus Medical Association, National Osteoporosis Foundation, International Society for Clinical Densitometry and Bone and Mineral Research Society. Dr. Vaziri completed his Residency at St. Louis University specializing in orthopedic surgery and his Fellowship at St. Louis University specializing in orthopedics. He has been with Fairfield Medical Center since 2009.
Orthopedic Program Manager, Tonya Nafzger, R.N., M.S.N., O.N.C.
To contact Tonya Nafzger with questions about orthopedic services or to schedule a tour of the unit, call (740) 687-8276.
Together, our orthopedic surgeons form Ohio Orthopaedic Center. Ohio Orthopaedic Center has two locations.
2405 North Columbus Street
Lancaster, OH 43130
Phone: (740) 687-3346
7901 Diley Road
Canal Winchester, OH 43110
Phone: (740) 687-3345
Fax: (740) 689-1279