Radiation Oncology in Houston, Texas
Data updated monthly · Last refresh September 2026
156 Radiation Oncology providers practice in Houston, and 45% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Radiation Oncology providers in Houston
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. Emma Holliday, MDHouston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Enoch Chang, MDHouston, TX · No drug or device payments recorded (2025) ·
(713) 792-6161 Dr. Eric Strom, M.D.Houston, TX · No drug or device payments recorded (2025) ·
(713) 792-6161 Dr. Ethan Ludmir, MDHouston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Eugene Koay, M.D., PH.D.Houston, TX · $204 in drug and device payments (2025) · Telehealth ·
(817) 805-2839 Dr. Fumiko Chino, MDHouston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Gary Gunn, MDHouston, TX · $3,902 in drug and device payments (2025) ·
(713) 792-6161 Dr. George Perkins, M.D.Houston, TX · No drug or device payments recorded (2025) ·
(713) 792-6161 Dr. Gohar Manzar, MD PHDHouston, TX · No drug or device payments recorded (2025) ·
(713) 792-6161 Dr. Grace Smith, MDHouston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Gregory Chronowski, M.D.Houston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Henry Mok, M.D., PH.D.Houston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-5905 Dr. Howard Lewis, M.D.Houston, TX · No drug or device payments recorded (2025) ·
(214) 966-4582 Dr. Hsin Lu, M.D.Houston, TX · No drug or device payments recorded (2025) ·
(832) 355-7118 Dr. Isidora Arzu, M.D. PHD Dr. James Welsh, MDHouston, TX · $339 in drug and device payments (2025) ·
(713) 792-6161 Dr. Jay Paul Reddy, MDHouston, TX · $531 in drug and device payments (2025) ·
(713) 792-6161 Dr. Jie Jane ChenHouston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Jillian Gunther, MDHouston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Jing LiHouston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Joe Chang, M.D., PHDHouston, TX · $191 in drug and device payments (2025) · Telehealth ·
(713) 792-6161 Dr. John Bowers, D.O.Houston, TX · $415 in drug and device payments (2025) · Telehealth ·
(713) 792-2991 Dr. Joseph Arko, M.D.Houston, TX · No drug or device payments recorded (2025) ·
(214) 918-5517 Dr. Joseph Herman, M.D.Houston, TX · No drug or device payments recorded (2025) ·
(713) 792-6161 Dr. Julianna Bronk, MD, PHDHouston, TX · $158 in drug and device payments (2025) · Telehealth ·
(713) 792-6161 Dr. Karen Hoffman, M.D.Houston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 563-8495 Dr. Karine Al FeghaliHouston, TX · No drug or device payments recorded (2025) ·
(713) 563-0188 Dr. Kathleen Shadle, MDHouston, TX · $223 in drug and device payments (2025) ·
(713) 441-4800 Dr. Kirk Kanady, MDHouston, TX · $294 in drug and device payments (2025) · Telehealth ·
(281) 377-7555 Dr. Krishnan Patel, M.D.Houston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Kristina Woodhouse, M.D.Houston, TX · No drug or device payments recorded (2025) ·
(713) 792-6161 Dr. Krystal Morales-riveraHouston, TX · No drug or device payments recorded (2025) ·
(832) 355-7470 Dr. Larry Carpenter, M.D.Houston, TX · No drug or device payments recorded (2025) ·
(713) 526-4243 Dr. Lauren Colbert, MD, MSCRHouston, TX · No drug or device payments recorded (2025) ·
(713) 792-6161 Dr. Lauren Mayo, M.D.Houston, TX · $190 in drug and device payments (2025) · Telehealth ·
(713) 792-6161 Dr. Lilie Lin, MDHouston, TX · No drug or device payments recorded (2025) ·
(713) 792-6161 Dr. Marc Delclos, M.D.Houston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Mark Amsbaugh, M.D.Houston, TX · $560 in drug and device payments (2025) · Telehealth ·
(713) 486-8000 Dr. Mark D'andrea, M.D.Houston, TX · No drug or device payments recorded (2025) ·
(713) 474-1414 Dr. Martin Tom, M.DHouston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Mary Dean, M.D.Houston, TX · No drug or device payments recorded (2025) ·
(713) 442-0000 Dr. Mary Frances Mcaleer, M.D.Houston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Matthew Ning, MD, MPHHouston, TX · $333 in drug and device payments (2025) · Telehealth ·
(713) 792-6161 Dr. Michael O'reilly, M.D.Houston, TX · No drug or device payments recorded (2025) · Telehealth ·
(713) 792-6161 Dr. Michael Rooney, MDHouston, TX · No drug or device payments recorded (2025) · Telehealth ·
(630) 386-0088 Dr. Michael Stauder, MDHouston, TX · No drug or device payments recorded (2025) ·
(713) 792-6161 Dr. Mi Kyung Ko, M.D.Houston, TX · $122 in drug and device payments (2025) ·
(713) 442-0000 Dr. Mohammed Aldehaim, MD, FRCPCHouston, TX · No drug or device payments recorded (2025) ·
(877) 632-6789 Dr. Mona Sanghani, M.D.Houston, TX · $162 in drug and device payments (2025) ·
(713) 442-0000 Common questions
How many Radiation Oncology providers are in Houston, Texas?There are 156 Radiation Oncology providers with active NPI records practicing in Houston, according to federal NPPES data refreshed monthly.
How many Radiation Oncology providers in Houston received drug or device company payments?70 of 156 (45%) 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 Houston Radiation Oncology across Texas