Ken Kazahaya, MD, MBA, FACS

Ken Kazahaya, MD, MBA, FACS, is associate director of the Division of Otolaryngology at The Children's Hospital of Philadelphia.

Areas of Expertise: Cholesteatoma, Head and neck oncologic surgery, Hearing loss, Thyroid surgery, Cochlear implantation, Facial plastic and reconstructive surgery, Otology (ear diseases), Skull base surgery
Locations: Main Campus; Specialty Care, Atlantic County; Specialty Care & Surgery Center, Voorhees
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

  • Background

    Ken Kazahaya, MD, MBA, FACS, is associate director of the Division of Pediatric Otolaryngology, director of Pediatric Skull Base Surgery, medical director of the Pediatric Cochlear Implant Program, and co-lead surgeon in the Pediatric Thyroid Center at The Children’s Hospital of Philadelphia. He also has an appointment as Associate Professor of Clinical Otorhinolaryngology: Head and Neck Surgery at the Perelman School of Medicine at the University of Pennsylvania.

    Dr. Kazahaya specializes in otology, cochlear implantation, skull base surgery, thyroid surgery, pediatric head and neck oncology, and facial plastic and reconstructive surgery. He has been named by U.S.News and World Report as a Top Pediatric ENT-Otolaryngologist and, within this list, as an American Top Doctor in 2011. He also been named as a Top Doctor by Philadelphia magazine from 2007–2014 and by Castle Connolly from 2009–2014, and has received multiple citations by Philadelphia region periodicals as a top physician. He has numerous publications in peer reviewed journals and has been an invited lecturer nationally and internationally, including in Ireland, Hungary, United Kingdom, Japan, Canada and Mexico.

    Dr. Kazahaya is a member of the American Academy of Otolaryngology–Head and Neck Surgery (AAO-HNS), North American Skull Base Society, American Society of Pediatric Otolaryngology (ASPO), American Thyroid Association, and a Fellow of the American College of Surgeons. He has been appointed to committees in both AAO-HNS and ASPO.

  • Education and Training

    Medical School

    MD - University of Pennsylvania School of Medicine, Philadelphia, PA


    General Surgery - University of Pennsylvania School of Medicine, Philadelphia, PA


    Otorhinolaryngology-Head and Neck Surgery - University of Pennsylvania School of Medicine, Philadelphia, PA


    Pediatric Otolaryngology - The Children's Hospital of Philadelphia, Philadelphia, PA

    Board Certification


    Graduate Degree

    University of Pennsylvania Wharton School of Business, Philadelphia, PA

  • Titles and Academic Titles

    Director, Pediatric Skull Base Surgery

    Medical Director, Pediatric Cochlear Implant Program

    Associate Director, Division of Pediatric Otolaryngology

    Co-Lead Surgeon, Pediatric Thyroid Center

    Associate Professor of Clinical Otorhinolaryngology, Perelman School of Medicine at the University of Pennsylvania

  • Conditions Treated
  • Departments and Services
  • Publications


    Potsic W.P., Kazahaya K. Tonsillectomy and Adenoidectomy. Gellis and Kagan's Current Pediatric Therapy 17th ed. (In press.)

    Tom L.W.C., Kazahaya K. Pediatric Rhinosinusitis. Contemporary Sinus Surgery. (In press.)

    Kazahaya K. Imaging of the Paranasal Sinusitis in Pediatric Patients with Special Considerations for Endoscopic Sinus Surgery. In: Bluestone C and Stool S, eds. Pediatric Otolaryngology, 4th Edition. Philadelphia, PA: W.B. Saunders, Co. 2001. (In press.)


    D’Eredita, R., Marsh, R.R., Lora, S., Kazahaya, K.: A new absorbable pressure-equalizing tube. Otolaryngology – Head and Neck Surgery 127(1):67-72, 2002 Jul.

    Shah, S.S., Lai, S.Y., Ruchelli, E., Kazahaya, K., Mahboubi, S.: Retropharyngeal Aberrant Thymus. Pediatrics 108(5), 2001 Nov.

    Kim, S.H., Kazahaya, K., Handler, S.D.: Traumatic perilymphatic fistulas in children: etiology, diagnosis, and management. International Journal of Pediatric Otolaryngology 60(2):147-53, 2001 Aug 20.

    Wall, S., Kazahaya, K., Becker, S.S., Becker, D.G. Thirty-five millimeter versus digital photography:c comparison of photographic quality and clinical evaluation. Facial Plastic Surgery 15(2):101-9, 1999.

    Kim, J.J., Nottingham, L.K., Sin, J.I., Tsai, A., Morrison, L., Oh, J., Dang, K., Hu, Y., Kazahaya, K., Bennett, M., Dentchev, T., Wilson, D.M., Chalian, A.A., Boyer, J.D., Agadjanyan, M.G., Weiner, D.B.: CD8 positive T cells influence antigen-specific immune responses through the expression of chemokines. Journal of Clinical Investigation 102(6):1112-24, 1998 Sep 15.

    Saunders, J.C., Adler, H.J., Cohen, Y.C., Smullen, S., Kazahaya, K.: Morphometric changes in the chick nucleus magnocellularis following acoustic overstimulation. J Comparative Neurology 390:412-426, 1988.

    Kim, J.J., Bagarazzi, M.L., Trivedi, N., Hu, Y., Kazahaya, K., Wilson, D.M., Chattergoon, M.A., Dang, K., Mahalingam, S., Agadjanyan, M.A., Boyer, J.D., Wang, B., Weiner, D.B.: Engineering of in vitro immune responses to DNA immunization via co-delivery of costimulatory molecule genes. Nature Biotechnology 15(7):641-6, 1997 July.


    Posters and Presentations

    Kazahaya, K.  Pediatric bronchoscopy and esophagoscopy.  Presented at the University of Pennsylvania Medical Center,  Philadelphia, PA:  February 6, 2003.

    Kazahaya K.  Pediatric cochlear implants.  Presented at South Jersey Hospital, Vineland, NJ:  November 19, 2002.

    Kazahaya K.  LASERS:  Physics and tissue interactions.  Presented at The Children's Hospital of Philadelphia, Philadelphia, PA:  October 3, 2002.

    Kazahaya K.  Pediatric sinusitis.  Presented at the Southeastern Pennsylvania SOHN Chapter Meeting, Philadelphia, PA:  June 26, 2002.

    Kazahaya K.  Pediatric facial paralysis.  Presented at the 2nd International Update Course: ENT Underwater, Cayman Brac, BWI:  April 3, 2002.

    Kazahaya K.  Ear tubes:  Not just for ear infections.  Presented at South Jersey Hospital, Elmer, NJ:  January 15, 2002.

    Kazahaya K.  Pediatric cochlear implantation.  Presented to the Geisinger Health System, Danville, PA:  November 13, 2001.

    Kazahaya K.  Pneumatization equalization tubes in the pediatric patient.  Presented at South Jersey Hospital, Newcomb, NJ:  July 13, 2001.

    Kazahaya K.  Infectious disorders of the external ear.  Presented at the 2001 25th Anniversary Seminar at Sea of the Society of  Otorhinolaryngology:  Head and Neck Nurses, Western Caribbean:  March 19, 2001.

    Ross AT, Kazahaya K, Tom LWC. High risk tonsillectomy: Tonsillectomy under 36 months of age. Presented at the Annual Meeting of the American Academy of Pediatrics. Chicago, IL; October 2000.

    Kazahaya K.  Non-neoplastic disorders of the external ear.  Presented to the Pennsylvania Academy of Otolaryngology:  Head and Neck Surgery, Hershey, PA:  June 18, 1999.

    Kazahaya K, Anderson TA, Tom LWC, Tavill MA. Prospective study of post-tonsillectomy hemorrhage: A comprehensive look. Presented at the American Society of Pediatric Otolaryngology 14th Annual Meeting. Palm Desert, CA; April 1999.

    Kazahaya K, Chalian AA. Extended skin paddle osseocutaneous fibular free flap as a reconstructive option for the massive oromandibular defect. Presented at the Pennsylvania Academy of Otorhinolaryngology Annual Meeting. Valley Forge, PA; June 19, 1998.

    Kazahaya K, Becker D. Computerized digital imaging and slide production: A comparison to conventional 35-mm slide photography. Poster presented at the 7th Annual International Facial Plastic and Reconstructive Surgery Symposium. Orlando, FL; June 17-18, 1998.