Radiation Oncology in Fairfax, Virginia
Data updated monthly · Last refresh September 2026
15 Radiation Oncology providers practice in Fairfax. Listings are drawn from federal public records and are not endorsements.
Radiation Oncology providers in Fairfax
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Ashish Chawla, M.D.Fairfax, VA · $598 in drug and device payments (2025) · Telehealth ·
(571) 472-0606 Dr. Cheng-chia Wu, MD, PHDFairfax, VA · $455 in drug and device payments (2025) · Telehealth ·
(571) 472-0606 Dr. Daniel Kim, M.D., M.B.A.Fairfax, VA · $261,180 in drug and device payments (2025) · Telehealth ·
(714) 720-6065 Dr. Emily Kowalski, MDFairfax, VA · $385 in drug and device payments (2025) ·
(571) 472-0540 Dr. Gopal Bajaj, M.D.Fairfax, VA · $6,906 in drug and device payments (2025) · Telehealth ·
(571) 472-0606 Dr. Grace Lee, MDFairfax, VA · $1,234 in drug and device payments (2025) · Telehealth ·
(571) 472-0606 Dr. Gregory Sibley, M.D.Fairfax, VA · $7,930 in drug and device payments (2025) · Telehealth ·
(571) 350-8400 Dr. Harold Agbahiwe, M.D.Fairfax, VA · $202 in drug and device payments (2025) · Telehealth ·
(703) 934-4450 Dr. Kathryn Marqueen, MDFairfax, VA · $1,535 in drug and device payments (2025) ·
(571) 472-0606 Dr. Kevin Choe, MDFairfax, VA · $1,599 in drug and device payments (2025) · Telehealth ·
(571) 472-0606 Dr. Lonika Majithia, MDFairfax, VA · $165 in drug and device payments (2025) · Telehealth ·
(571) 472-0606 Dr. Michael Eblan, MDFairfax, VA · $755 in drug and device payments (2025) · Telehealth ·
(571) 472-0606 Dr. Samir Kanani, M.D.Fairfax, VA · $881 in drug and device payments (2025) ·
(571) 472-0606 Dr. Stella Hetelekidis, MDFairfax, VA · $94 in drug and device payments (2025) · Telehealth ·
(571) 472-0606 Dr. Tobias Chapman, M.D.Fairfax, VA · $1,116 in drug and device payments (2025) · Telehealth ·
(571) 472-0606 Common questions
How many Radiation Oncology providers are in Fairfax, Virginia?There are 15 Radiation Oncology providers with active NPI records practicing in Fairfax, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Fairfax Radiation Oncology across Virginia