About Dr. Van Dalsem

Dr. William Van Dalsem joined NHRA in 1998. After finishing his fellowship, he was in private practice with Sacramento Radiology Medical Group from 1992 until early 1998. Dr. Van Dalsem is currently the Medical Director of the Hoag Radiology Department. Prior to that, he was Chairman of the Department of Radiology at Hoag from 2002 through 2007. He has been a member of NHRA’s Executive Committee since 2001. Abdominal and Thoracic MRI was his research focus at Stanford during his Body Imaging fellowship. He served as Chief Resident for Diagnostic Radiology during his final year of residency at UCSF in 1991-92. During his junior year at USC Medical School, he was elected to the Alpha Omega Alpha Honor Medical Society. At Stanford, he was Bar Manager for Sigma Alpha Epsilon fraternity from 1980-1981.

In addition to his radiology duties, he was a Member-At-Large of Hoag Medical Staff’s Executive Committee from 2006-2009. He currently sits on Hoag’s Clinical Information Technology Governance Committee and Health Information Exchange Clinical Design Team. His current areas of focus include thoracic, abdominal and pelvic cross sectional imaging, including advance prostate imaging, as well as nonvascular interventional radiology.

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National Provider ID (NPI): 1316975816

Education &

Board Certification

  • American Board of Radiology - Diagnostic Radiology
  • Internship - Huntington Memorial Hosp-Graduate Medical Educatio (Internal Medicine)
  • Residency - University of CA San Francisco (Radiology)
  • Fellowship - Stanford University Medical Center (Radiology)
  • Medical Education - University of Southern California, Keck School of Medicine (Medical Doctor)