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David D. Hagaman MD

Assistant Professor of Medicine

Areas of Expertise

  • Allergy and 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

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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 is possibly my favorite doctor. He truly cares and is so very kind. Despite having my medical condition, I honestly enjoy my appointments with him
January 22, 2026
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Very attentive and informative visit with the physician.
January 22, 2026
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Dr. Hagaman is an excellent physician. He takes the time to listen to my concerns. He is knowledgeable, respectful, and caring.
January 17, 2026
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Dr. Hagaman is genuinely one of the best allergists I have ever met with. He is understanding of how hard the dietary and lifestyle changes can be, and he works with you where you're at. He is supportive and determined to get you to a place where you can live well and comfortably despite why you're seeing him in his office. He gave me the space to heal and helped me reach a place where I can say I have my life back. It's not ruled by constant reactions. I don't feel powerless or hindered by my allergies. He empowers patients to listen to their body and ensures all bases are covered along the way.
January 17, 2026
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Dr. Hagaman was AMAZING. I come from Huntsville and this was my first visit with him. 6 miles from his office there was a horrible wreck in I65 Northbound and I was stuck in traffic for over 2 hours and because I couldn't make it, he said we could do a telehealth visit. I see many doctors and there's not many drs that care enough to do that. He and Dr. Byram are the only reason I would even consider the drive. I'm still in awe of how great I was treated yesterday.
January 14, 2026
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Great
January 13, 2026
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Dr. Hagaman was very thorough and listened to my concerns. He asked me questions about my situation and probed for additional details about observations I communicated to him.
January 11, 2026
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He is a great doctor!
January 7, 2026
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Dr. Hagaman is always thorough and patient-centered!
January 6, 2026
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