Physicians

Dr. Ryan Gallivan

Ryan P. Gallivan, M.D.

Physician, Central Oregon ENT
Director, Central Oregon Sinus Institute

Education:
Doctor of Medicine, Jefferson Medical College, Pennsylvania
Bachelor of Arts, Political Economics, University of California, Berkeley
Minor, Spanish

Post Doctorate/Residential Training:
Rhinology and Advanced Sinus Surgery Fellowship
The Cleveland Clinic Foundation
Otolaryngology Residency, University of California Irvine Medical Center
General Surgery Internship, University of California Irvine Medical Center

Medical Licensure and Certification:
Oregon Medical Board
Fellow American Board of Otolaryngology

Specialties:
Ear Nose and Throat
Rhinology / Nasal and Sinus Disorders

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Justin D. Hill

Justin D. Hill, M.D.

Physician, Central Oregon ENT

Education:
Ohio State University College of Medicine, Columbus, Ohio
Residency at University of Iowa, Iowa City, IA
Fellowship Trained

Dr. Hill enjoys mountain biking, skiing and traveling with his wife and four kids

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John P. Renton

John P. Renton, M.D.

Physician, Central Oregon ENT

Education:
Doctorate of Medicine
West Virginia University School of Medicine

Post Doctoral/Residency Training:
General Surgery, University of Iowa
Otolaryngology-Head and Neck Surgery, University of Iowa
Pediatric Otolaryngology, Fellowship, Melbourne, Australia

Medical licensure and Certification:
Oregon Medical Board
Fellow Pediatric Otolaryngology

Specialties:
Ear, Nose and Throat
Pediatric Otolaryngology

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Jean S. Verheyden

Jean S. Verheyden, M.D.

Physician, Central Oregon ENT

Education:
Doctorate of Medicine
George Washington University Medical School

Post Doctoral/Residency Training:
ENT/Health Science Center, University of New York
Advanced fellowship/New York Speech & Swallowing Disorders Center
St Roosevelt’s Hospital

Conditions and Diseases Treated:
Dr Verheyden is Central Oregon’s only fellowship trained Ear, Nose and Throat
physician with advanced traing in neurolaryngology.

Evaluates and treats general and pediatric ear, nose and throat problems. Treats
voice and swallowing disorders and perfoms thyroid and parathyroid surgery.

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J. David Wood

J. David Wood, M.D.

Physician, Central Oregon ENT
Faculty, Asian Temporal Bone Surgery Course

Past Positions:
Otology Fellowship, Auckland Hospital New Zealand

Education:
BS, Neuroscience, Vanderbilt University
Doctor of Medicine, Vanderbilt School of Medicine

Post Doctoral/Residency Training:
Research Fellowship, National Institute
Neurological Disorder and Stroke, NIH
General Surgery Internship, University of Washington
Otolaryngology Residency, University of Washington
Otology Fellowship, Auckland Hospital

Medical Licensure and Certification:
Oregon Medical Board
Fellow American Board of Otolaryngology

Specialties:
Ear, Nose and Throat
Hearing and Balance Disorders

Dr. Wood enjoys flyfishing and traveling with his wife and two kids.

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