Summary

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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Quick Facts

  • 5
  • 53 years of experience
  • Joint Center For Radiation Therapy
  • 7 written reviews
  • 2 specialties
  • 10 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location

Office Location

Radiation Oncology Associates

3300 Gallows RdFalls Church, VA 22042

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Dr. Glenn Lorin Tonnesen, MDDr. Obi Nobi, MDDr. Aakash Bhagu Ahuja, MDDr. Deedee Kay Smart, MD
Diagnostic RadiologyDiagnostic RadiologyDiagnostic RadiologyRadiation Oncology
Accepts New Patients Accepts New Patients Accepts New Patients
53 Years of Experience 37 Years of Experience 27 Years of Experience 23 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Falls Church , VARockville , MDSpringfield , VABETHESDA , MD
Med School: University Of Utah School Of Medicine Med School: Howard University College of Medicine Med School: Medical College Of Georgia At Georgia Regents University Med School: Medical College Of Georgia At Augusta University
Current Profile
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Insurance Plans Accepted by Dr. Glenn Lorin Tonnesen

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Glenn Lorin Tonnesen has the following 2 specialties

Specialty Expertise

Dr. Glenn Lorin Tonnesen has the following 10 areas of expertise

  • Brain Cancer
  • Cancer
  • Head and Neck Cancer
  • Hodgkin's Lymphoma
  • Lung Cancer
  • Lymphoma
  • Prostate Cancer (Prostatic Neoplasm)
  • Radiation Oncology
  • Radiation Therapy
  • Skin Cancer

Certifications, License, & Education

53 Years Experience

EDUCATION & TRAINING

Residency

Joint Center For Radiation Therapy

Medical School

University Of Utah School Of MedicineGraduated in 1973

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Frequently Asked Questions

How can I make an appointment with Dr. Glenn Tonnesen?
You can find contact information for Dr. Glenn Tonnesen here on Vitals.
Does Dr. Glenn Tonnesen accept virtual/telehealth appointments?
Dr. Glenn Tonnesen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Glenn Tonnesen accept my insurance?
You can see the insurance plans that Dr. Glenn Tonnesen accepts on their Vitals profile.
Is Dr. Glenn Tonnesen accepting new patients?
Dr. Glenn Tonnesen has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Glenn Tonnesen affiliated with?
Dr. Glenn Tonnesen is affiliated with INOVA FAIRFAX HOSPITAL.

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