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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 carefully listens, adjusts meds and additional tests as needed. He has a genuine interest in improving my health.
November 14, 2025
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Dr Hagaman is a very caring concerned doctor who listens, doesn't rush, and takes time to consider the best options and treatments.
November 13, 2025
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He always listens and has good feedback and sokutions
November 7, 2025
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Dr Hagaman is great. He listens, offers advice and treatment options and genuinely cares and shows compassion.
November 6, 2025
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Love the Doctor!
November 6, 2025
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Dr. Hagaman is a very caring and patient doctor. His warm personality is so refreshing.
November 5, 2025
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Listened and communicated well; did not feel rushed. Made me feel at ease
November 4, 2025
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Dr. Hagaman was outstanding in every way.
October 29, 2025
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Dr. Hagaman is an outstanding specialist whose #1 goal is to pinpointing the root of my valid concerns/elevated lab results, chronic infections. He's well informed about my health status and current elevated WBC and Neutrophil shift to the left lab results. Also know, He referred me to Dr. Seibert a year ago.Thanks to them, my VFFS,Video Fluoroscopy Swallow Study confirmed a Zenker's Divertuculum. At this juncture I've had two Zenker's Re pairs.Please share this feedback with Jane E. Freedman, M.DDeputy CEO and Chief Health System Officer.Please share my positive experiences with Dr. Hagaman too. He helps me stay healthy! Surgeries and currently under the care of Dr. Rosenthal. Feel7ng blessed for the collaborative effort between my specialist to address my medical needs when I reach out to them for help. Please share this with Vanderbilt University current CEO
October 29, 2025
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