Hassan Abbass, M.D., F.A.C.S.
Ohio ENT Associates and
University Hospitals Medical Practices

Specialty: Otolaryngology – Board Certified

Hassan Abbass, M.D., F.A.C.S.

July 1, 1994 – June 30, 1998
Residency in Otolaryngology-Head and Neck Surgery
University Hospitals of Cleveland
Cleveland, Ohio

July 1, 1993 – June 30, 1994
Internship in General Surgery
University Hospitals of Cleveland
Cleveland, Ohio

August 1989 – May 1993
M.D. , Case Western Reserve University
School of Medicine
Cleveland, Ohio

August 1985 – May 1989
B.S. , Case Western Reserve University
Major: Biomedical Engineering
Sequence: Solid States and Sensors

  • Honors Graduate
  • U.S. Achievement, Academy
    (National Collegiate Award)
Board Certified
The American Board of Otolaryngology


  • State of Ohio
  • State of Indiana
  • State of Florida

Clinical Instructor
Department of Otolaryngology
Case Western Reserve University

  • American College of Surgeons (fellow)
  • American Academy of Otolaryngology-Head & Neck Surgery (fellow)
  • American Academy of Facial Plastic and Reconstructive Surgery (member)
Computer Controlled Electrical Stimulation of Denervated Dog Bladders under supervision of J. Sweeny, Ph.D. at the CWRU Biomedical engineering Labs (1989)

Clot Formation and Prevention in Micro-Surgery under supervision of D.W. Stepnick, M.D. at the University Hospitals of Cleveland, Dept. of Otolaryngology (1999)

Tissue Effects of CO2 and Non-Contact Neodymium YAG Lasers under the supervision of Rose M. Mohr, M.D. at MetroHealth Medcal Center. Dept. of Otolaryngology (1995)

The Semi-Implantable Middle Ear Hearing Device under the supervision of A.J. Maniglia, M.D. At the University Hospitals of Cleveland. Dept. of Otolaryngology (1996 )

The Middle Ear Bioelectronic Microphone for a Totally Implantable Cochlear Device for Profound and Total Hearing Loss under the supervision of A.J. Maniglia, M.D. At the University Hospitals of Cleveland. Dept. of Otolaryngology (1997)

Cleveland St. Vincent charity Hospital/Department of Surgery
Electrical stimulation of the larynx for the prevention of aspiration
November 2000 – February 2001

CWRU Biosensors Laboratory
Dynamics of Drug Resistance in Single Cancer Cells
February 1993 – September 1993

Third Place
Northeast Ohio Otolaryngology – Head & Neck Surgery Society’s 1996 Resident Research Competition.
Presentation: “Mechanical. Acoustic and Electromagnetic Evaluation of the Semi-Implantable Middle Ear Hearing Device

Second Place
Northeast Ohio Otolaryngology-Head & Neck Surgery Society’s 1997 Resident Research Competition.
Presentation: “The Middle Ear Bioelectronic Microphone for Totaly Implantable Cochlear Hearing Device for Prodound and Total hearing Loss” 1

Mechanical, Acoustic and Eklectromagnetic Evaluation fo the Partially Implantable Middle Ear Hearing Device. Ear Nose Throat Journal 1997 76(5):321-327

Semi-Implantable Middle Ear Electromagnetic Hearing Device for Sensorineural Hearing Loss. Ear Nose Throat JHournal 1997: 76(5)L333-341

Dose-Related Tssue Effects of the CO2 and Noncontact Nd:YAG Lasers in the Caning Glottis. The Laryngoscope 1998:108(9):12841290 3


  • English
  • French
  • Arabic

Extracurricular Activities

  • Sigma Chi Fraternity Alumni Chapter
  • Medical related computer programming in the fields of imaging and databases
  • Web authoring and internet publishing
  • Tennis. Alpine Ski. Golf and Piano



  • Wade Park VA volunteer medical staff in office and operating room (7/1998-12/2008)
  • Urgent Care Fellow ENT teaching rotation instructor (7/2008 – Present)
  • Author of Core Content in Urgent Care Medcine Vertigo module (8/2009)