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.
Dr. Hagaman was just great! I feel BLESSED to have him on my Health Team!!
June 18, 2026
quote icon
Dr Hagaman is phenomenal. He is very knowledgeable and helpful. He is one of the many specialists I have that I can unquestionably depend on and that means a lot when you are medically complex.
June 4, 2026
quote icon
Dr. Hagerman was very professional, kind and knowledgeable.
May 21, 2026
quote icon
Awesome dr who listened attentively
May 21, 2026
quote icon
I'm very fortunate to have Doctor Hagaman as my provider. I value Doctor Hagaman's expertise and clear explanations when speaking about my condition. My husband worries about my condition a great deal, so this helps tremendously.
May 17, 2026
quote icon
Dr Hagaman is a really good doctor. That's why I waited to get to an appointment with him instead of anywhere else. He always listens, cares, and explains things really well.
May 15, 2026
quote icon
Great
May 15, 2026
quote icon
Dr. Hagaman is so good. He is respectful, a good explainer of situations, and kind.
May 15, 2026
quote icon
Dr. Hagaman was very knowledgeable about my situation and took action concerning my current situation.
May 15, 2026
quote icon