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Hyo S Ahn, M.D.

Photo of Dr. Hyo S Ahn, M.D.
  • Associate Professor of Radiology and Radiological Science

Languages: English, Korean


Diagnostic Radiology, Neuroradiology, Radiology

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Johns Hopkins Bayview Medical Center

Appointment Phone: 410-955-5464
4940 Eastern Avenue
Imaging Department
Baltimore, MD 21224 map
Phone: 410-955-5464

The Johns Hopkins Hospital (Main Entrance)

Appointment Phone: 410-955-5464
1800 Orleans St.
Sheikh Zayed Tower
Baltimore, MD 21287 map
Phone: 410-955-5464


Dr. Hyo Seung Ahn is an associate professor, part time, in the Johns Hopkins Medicine Department of Radiology and Radiological Science. His areas of clinical expertise include Neuroimaging and Myelography.

Dr. Ahn received his M.D. from Yonsei University College of Medicine in Seoul, Korea. He completed a diagnostic radiology residency at West Virginia University and a two-year fellowship in Neuroradiology at the University of Pittsburgh.

Dr. Ahn is certified in diagnostic radiology by the American Board of Radiology. He speaks English and Korean. more


  • Associate Professor of Radiology and Radiological Science

Departments / Divisions



  • MD, Yonsei University College of Medicine (1971)


  • Danbury Hospital / Radiology (1976)
  • West Virginia University School of Medicine / Radiology (1978)


  • University of Pittsburgh Medical Center / Neuroradiology (1980)

Board Certifications

  • American Board of Radiology / Diagnostic Radiology (1978)

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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