Radiation Oncology in Dallas, Texas
Data updated monthly · Last refresh September 2026
46 Radiation Oncology providers practice in Dallas, and 54% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Radiation Oncology providers in Dallas
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. Agnes Ewongwo, MD, MPHDallas, TX · No drug or device payments recorded (2025) ·
(214) 645-8525 Dr. Ann Spangler, M.D.Dallas, TX · No drug or device payments recorded (2025) ·
(214) 645-8525 Dr. Assal Rahimi, MDDallas, TX · $1,000 in drug and device payments (2025) · Telehealth ·
(214) 645-7600 Dr. Barry Wilcox, M.D.Dallas, TX · $309 in drug and device payments (2025) · Telehealth ·
(214) 370-1400 Dr. Brennen Cheek, M.D.Dallas, TX · $365 in drug and device payments (2025) · Telehealth ·
(214) 370-1400 Dr. Chien-yi Liao, PH.DDallas, TX · No drug or device payments recorded (2025) ·
(214) 648-3111 Dr. Dale Fuller, MDDallas, TX · No drug or device payments recorded (2025) ·
(972) 490-2900 Dr. Dan Garwood, MDDallas, TX · No drug or device payments recorded (2025) ·
(214) 645-8525 Dr. David Pistenmaa, MDDallas, TX · No drug or device payments recorded (2025) ·
(214) 645-8525 Dr. Dominic Moon, M.D.Dallas, TX · No drug or device payments recorded (2025) · Telehealth ·
(214) 645-8525 Dr. Granger Scruggs, MDDallas, TX · No drug or device payments recorded (2025) · Telehealth ·
(214) 370-1400 Dr. Hak Choy, MDDallas, TX · $7,045 in drug and device payments (2025) ·
(214) 645-0624 Dr. Jerry Barker, M.D.Dallas, TX · No drug or device payments recorded (2025) ·
(214) 345-7394 Dr. Jessamy Boyd, MDDallas, TX · $473 in drug and device payments (2025) · Telehealth ·
(214) 739-4175 Dr. Jill De Vis, MD, PHDDallas, TX · No drug or device payments recorded (2025) · Telehealth ·
(214) 645-8525 Dr. John O'connor, M.D.Dallas, TX · $47 in drug and device payments (2025) · Telehealth ·
(972) 566-7031 Dr. John Torrisi, M.D.Dallas, TX · No drug or device payments recorded (2025) ·
(214) 857-0142 Dr. Jonathan Verma, M.D.Dallas, TX · $2,801 in drug and device payments (2025) ·
(214) 943-9911 Dr. Kenneth Westover, M.D., PH.D.Dallas, TX · No drug or device payments recorded (2025) · Telehealth ·
(214) 645-8525 Dr. Kesha Harris-henderson, M.D.Dallas, TX · $1,567 in drug and device payments (2025) ·
(972) 709-2580 Dr. Kevin Albuquerque, MDDallas, TX · $404 in drug and device payments (2025) · Telehealth ·
(214) 645-8525 Dr. Michael Dohopolski, MDDallas, TX · $1,321 in drug and device payments (2025) · Telehealth ·
(214) 645-8525 Dr. Mihailo Miljanic, MDDallas, TX · $2,678 in drug and device payments (2025) ·
(214) 645-8525 Dr. Neil Desai, M.D.Dallas, TX · $1,071 in drug and device payments (2025) · Telehealth ·
(214) 645-8525 Dr. Neil Senzer, MDDallas, TX · No drug or device payments recorded (2025) ·
(214) 370-1400 Dr. Nhat-long Pham, M.D., PH.D.Dallas, TX · $22 in drug and device payments (2025) · Telehealth ·
(241) 645-7615 Dr. Phuc Nguyen, MDDallas, TX · No drug or device payments recorded (2025) ·
(214) 645-8525 Dr. Puneeth Iyengar, M.D., PH.DDallas, TX · $17,383 in drug and device payments (2025) · Telehealth ·
(646) 408-3485 Dr. Raquibul Hannan, MD, PHDDallas, TX · $19 in drug and device payments (2025) · Telehealth ·
(214) 645-8525 Dr. Robert Scruggs, MDDallas, TX · No drug or device payments recorded (2025) ·
(214) 370-1400 Dr. Robert Timmerman, MDDallas, TX · $11,371 in drug and device payments (2025) · Telehealth ·
(214) 645-8525 Dr. Sharon Macko, MDDallas, TX · No drug or device payments recorded (2025) ·
(972) 566-8500 Dr. Thomas Borok, MDDallas, TX · No drug or device payments recorded (2025) ·
(972) 931-1073 Dr. Tu Dan, M.D.Dallas, TX · No drug or device payments recorded (2025) · Telehealth ·
(214) 645-8525 Dr. William Hittson, MDDallas, TX · No drug or device payments recorded (2025) ·
(214) 645-8525 Dr. Wilson Hernandez, M.D. Dr. Xin Cai, MD, PHDDallas, TX · No drug or device payments recorded (2025) ·
(214) 645-8525 Dr. Yuanyuan Zhang, MD,. PHD.Dallas, TX · $102 in drug and device payments (2025) · Telehealth ·
(214) 645-8525 Dr. Zabihullah WardakDallas, TX · No drug or device payments recorded (2025) · Telehealth ·
(214) 645-8525 Common questions
How many Radiation Oncology providers are in Dallas, Texas?There are 46 Radiation Oncology providers with active NPI records practicing in Dallas, according to federal NPPES data refreshed monthly.
How many Radiation Oncology providers in Dallas received drug or device company payments?25 of 46 (54%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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 Dallas Radiation Oncology across Texas
