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Practice areas

  • Best Doctors in America 2015-16
  • Brain Cancer Team
  • Gamma Knife® Radiosurgery Center
  • Gastrointestinal and Colorectal Cancer Team
  • Genitourinary and Prostate Cancer Team
  • Radiation Medicine

Faculty rank

Professor of Radiation Medicine

Clinic information

For an appointment or assistance call 859-257-1000 or 800-333-8874 (toll free)

Clinical interests

  • General Radiation Medicine
  • Genitourinary and Central Nervous System (CNS) Neoplasms
  • Radiation Oncology



MD, University of Kentucky, College of Medicine, Lexington
PhD, University of Iowa, College of Medicine, Iowa City


Massachusetts General Hospital, Boston


Harvard University Medical Center, Boston

Certifications or Special training

American Board of Radiology, Radiation Oncology 

Additional information


William St. Clair, MD, PhD, received his medical degree from the University of Kentucky, College of Medicine, Lexington. He then completed a fellowship at Harvard University Medical Center, Boston.

St. Clair is board certified by the American Board of Radiology in Radiation Oncology.


Research Publications on NCBI PubMed

Related links

Brain Cancer

Gamma Knife® Radiosurgery

UK Radiation Medicine

Gastrointestinal and Colorectal Cancer

Genitourinary and Prostate Cancer