Jinsoo Andrew Keyoung, MD

Jinsoo Andrew Keyoung, MD



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About Dr. Keyoung

Dr. Andrew Keyoung joined NHRA in 2008. Dr. Keyoung is the Chief of Radiology Service for Hoag Hospital Irvine and Medical Director of Radiology at Hoag Orthopedics Institute. He is also the Director of Body MRI at Hoag Hospitals. Dr. Keyoung oversees professional sports imaging program for Hoag Hospitals. This includes the local NFL teams: the Los Angeles Chargers during the regular season and the Los Angeles Rams during the summer training camp at UC Irvine, as well as the local professional MLS team, Orange County Soccer Club. Dr. Keyoung serves in the NHRA’s Executive Committee.

His subspecialty imaging expertise includes oncologic imaging with multiparametric prostate MRI and PET/MR, advanced body MRI imaging of the liver, pancreas and intestines as well as dynamic pelvic floor imaging with MRI.

Prior to Hoag Hospitas, Dr. Keyoung was a clinical instructor in Department of Radiology at Stanford University School of Medicine.

Dr. Keyoung was listed as one of America’s Top Radiologist by Consumers Research Council of America. He was also selected as 2018 Physician of Excellence by the Orange County Medical Association.


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National Provider ID (NPI): 1962501833


  • Medical Education - Georgetown University School of Medicine (Medical Doctor)
  • Internship - Columbia St. Luke's-Roosevelt (Internal Medicine)
  • Residency - Stanford University Medical Center (Radiology)
  • Fellowship - Stanford University Medical Center (Radiology)
  • Residency - Georgetown University Medical Center (Radiology)

Board Certification

  • American Board of Radiology - Diagnostic Radiology