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Dr. Gregory Sibley, MD

Dr. Gregory Sibley, MD

Age 56 Radiation Oncology M
Accepting New Patients


Dr. Gregory Sibley, MD is a radiation oncology specialist in Fairfax, VA. Dr. Sibley completed a residency at Univ of Chicago. He currently practices at Virginia Cancer Specialists and is affiliated with Sibley Memorial Hospital. He accepts multiple insurance plans. Dr. Sibley is board certified in Radiation Oncology.


  1. Virginia Cancer Specialists

    1. 1
      Virginia Cancer Specialists
      10301 Democracy Ln, Fairfax, VA 22030 (703) 934-4450


  • University Of Chicago Medicine, Fellowship Hospital — 1995
  • Univ of Chicago, Residency Hospital — 1995
  • Univ of Michigan Med Sch, Medical School — 1990

Insurance Accepted

  • Aetna
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • Coventry Health Care
  • First Health (Coventry Health Care)
  • MultiPlan

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Never expected I would be needing radiation therapy, and was so relieved that I was referred to the same radiation oncologist who took excellent care of my husband. Dr. Gregory Sibley is nice, thorough, smart, and compassionate! The staff are friendly and helpful.
Daniel and Wilma - WV — Aug 09, 2019
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Dr. Gregory Sibley, MD
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Hospital Affiliations

  • Sibley Memorial Hospital