Skip to the end of this slider Application Period is Open for CPO Exam Learn More Here Thank You 2025 Oral Examiners Meet Our Examiners ABOHNS Video Series Click to Watch Upcoming Exam Dates 2025-2027 Exam Dates Previous Next Skip to the top of this slider for Residents, Fellows & Program Managers Log-In Announcements See All 2026 CPO Exam Application Launch Subcertification Exam Eligibility Update ABOHNS Announces New Exam Blueprint Upcoming Dates 03-11-2024Oral Exam Case Collection Period Begins 06-02-2025Resident Registry Open through July 7 for Certified Physicians Log-In About Our Certifications Announcements See All 2026 CPO Exam Application Launch Subcertification Exam Eligibility Update CPO Updates for 2026 Upcoming Dates 02-17-20262026 CertLink Questions Start 08-01-20262027 Part I Professional Standing Launch for Patients & Caregivers Check Certification About Our Doctors Is Your Physician Certified? Verify Your Physician's Board Certification Mission Statement The American Board of Otolaryngology – Head and Neck Surgery serves the public by assuring that diplomates meet our standards of training, knowledge and professionalism through initial and continuing certification.