Skip to Main ContentSkip to Footer

David D. Hagaman MD

Assistant Professor of Medicine

Areas of Expertise

  • Allergy and Immunology
  • NSAID Allergy
  • Pulmonology
  • Severe Asthma

Languages

  • English

Education

  • Doctor of Medicine - Ohio State University, 1987
  • Internship - Medical University of South Carolina, 1988
  • Residency - Ohio State University Medical Center, 1990
  • Fellowship - Ohio State University Medical Center, 1993
  • Fellowship - Vanderbilt University Medical Center, 1995
  • Fellowship - National Institutes of Health, 2001

Board Certifications

  • Allergy and Immunology - American Board of Allergy and Immunology, 1995

Related Stories

Patient Comments

Patient Comments are gathered from the Press Ganey Patient Experience Survey and displayed in full. Patients are not identified in order to respect patient privacy.
Very thorough, Great Dr!
July 23, 2026
quote icon
Dr Hagaman did an excellent job in explaining the root causes of my allergies. Also his recommendations for treatment I felt were sound and would ease allergy symptoms.
July 20, 2026
quote icon
Dr. Hagaman always knows who I am and is aware of my medical history which is lengthy. He takes the time to answer all my questions.
July 18, 2026
quote icon
Love Dr. Hagaman. Have already recommended him.
July 14, 2026
quote icon
Took the time for me to call my wife, a retired very experienced RN, so she could hear his detailed explanation of what's causing issue and complicated treatments to fix it.
July 2, 2026
quote icon
Dr Hagaman knows my specific sinus issues and can quickly assess what needs to be done.
July 1, 2026
quote icon
Thank you so much, Dr. Hagerman
June 29, 2026
quote icon
Dr. Hagaman really seemed to understand my issues and approached the management in a comprehensive fashion. I appreciated his insight and recommendations, as well as him allowing me to participate in the decision-making.
June 25, 2026
quote icon
Great experience took time to listen and explained well
June 22, 2026
quote icon