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  • Radiation Oncology, Diagnostic Radiology
  • 52 years of experience
  • Radiation Oncology Associates 3300 Gallows Rd, Falls Church, VA 22042
  • (703) 776-2337

Brief Intro

Dr. Tonnesen came to Inova Fairfax Hospital in 1982, and from 1992 to 2005 served as the Chairman of the Department of Radiation Oncology. His special interest is in the advancing technology of Intensity Modulated Radiation Therapy (IMRT), particularly with TomoTherapy®. He sees patients with various malignancies, but especially head and neck, prostate, brain, thoracic and gastrointestinal tumors. Dr. Tonnesen previously served as the Chief of Radiation Oncology at Bethesda Naval Hospital and Associate Director of Training in Radiation Oncology at the National Cancer Institute. His residency was at the Harvard Joint Center for Radiation Therapy, where was chief resident and later a member of the Harvard faculty. His medical training was at the University of Utah, where he graduated with honors and was elected to the Alpha Omega Alpha Medical Honor Society. He served a medical internship at Barnes Hospital in St. Louis, Missouri, followed by two years as a medical officer in the United States Navy. He earned a Bachelor of Science degree in Chemistry, with Honors, at Brown University. Dr. Tonnesen is board certified in Radiation Oncology.

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Education Background

RESIDENCY

Joint Center For Radiation Therapy

MEDICAL SCHOOL

University Of Utah School Of Medicine - 1973

Location & Hours

  • Radiation Oncology Associates
  • 3300 Gallows Rd, Falls Church, VA 22042

Specialties Treated

  • Diagnostic Radiology
  • Radiation Oncology

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • UnitedHealthcare
  • Cancer 20
  • Cardiology, Heart & Vascular Surgery 17
  • Orthopedics 41
  • Neurology & Neurosurgery 29
  • Gastroenterology & GI Surgery 38
  • Pulmonology & Lung Surgery 43
  • Diabetes & Endocrinology 28
  • Children's Hospital 9
  • Urology 34
  • Psychiatry 39
  • Geriatrics 30
  • Rehabilitation 26
  • Obsterics & Gynecology 7
  • Ear, Nose & Throat 4
  • Long Term Care 5
  • Maternity Care (Uncomplicated Pregnancy) 28