Board Certifications
♦ American Board of Orthopaedic Surgeons
♦ Fellow American College of Surgeons
♦ American Academy of Orthopaedic Surgeons
♦ American Academy of Neurological and Orthopaedic Surgeons
♦ American Board of Spinal Surgery

Professional Society Memberships
Dr. Harf is an active member of many professional societies including:
♦ American Medical Association
♦ American Heart Association
♦ The Regional Emergency Medical Services Council
♦ North American Spine Society
♦ Sonoma County Medical Society
♦ Napa County Medical Society
♦ Bay Area Spine Association
♦ California Orthopaedic Association
♦ Western Orthopaedic Association