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Radiation Oncologists in Texas

Data updated monthly · Last refresh October 2026

452 Radiation Oncology providers practice in Texas, including 145 (32%) offering telehealth. The largest concentration is in Houston. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

452providers
145telehealth
Houstontop city

Radiation Oncology by city in Texas

Choose a city to see providers there.

Radiation Oncology in Houston156 providers
Radiation Oncology in Dallas46 providers
Radiation Oncology in San Antonio30 providers
Radiation Oncology in Austin14 providers
Radiation Oncology in Temple11 providers
Radiation Oncology in Lubbock9 providers
Radiation Oncology in Fort Worth9 providers
Radiation Oncology in Corpus Christi7 providers
Radiation Oncology in The Woodlands7 providers
Radiation Oncology in Amarillo6 providers
Radiation Oncology in Galveston6 providers
Radiation Oncology in Plano6 providers
Radiation Oncology in Irving6 providers
Radiation Oncology in El Paso6 providers
Radiation Oncology in Cypress5 providers
Radiation Oncology in Sugar Land5 providers
Radiation Oncology in Round Rock5 providers
Radiation Oncology in Georgetown5 providers
Radiation Oncology in Waco4 providers
Radiation Oncology in Webster4 providers
Radiation Oncology in Mcallen4 providers
Radiation Oncology in Decatur4 providers
Radiation Oncology in Fort Sam Houston4 providers
Radiation Oncology in Tyler4 providers

Radiation Oncology providers in Texas

Listed by city, largest first. 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. Travis Thompson, M.D.
Corpus Christi, TX · $57 in drug and device payments (2025) · (361) 334-5130
Dr. Tse-kuan Yu, M.D. PHD
Corpus Christi, TX · $393 in drug and device payments (2025) · (361) 696-6000
Dr. David Blackburn
Corsicana, TX · No drug or device payments recorded (2025) · (713) 515-7795
Dr. Ali Mazloom, M.D.
Cypress, TX · No drug or device payments recorded (2025) · (832) 912-3650
Dr. Karl King, M.D.
Cypress, TX · $109 in drug and device payments (2025) · (281) 566-2527
Dr. Nalinakshi Rangala, M.D.
Cypress, TX · No drug or device payments recorded (2025) · (281) 517-0262
Dr. Peter Morgan, M.D.
Cypress, TX · No drug or device payments recorded (2025) · (346) 618-3420
Dr. Robert Behar, M.D
Cypress, TX · No drug or device payments recorded (2025) · (281) 517-0262
Dr. Agnes Ewongwo, MD, MPH
Dallas, TX · No drug or device payments recorded (2025) · (214) 645-8525
Dr. Anand Shivnani, MD
Dallas, TX · $134 in drug and device payments (2025) · (972) 566-7031
Dr. Ann Spangler, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (214) 645-8525
Dr. Arve Gillette, M.D.
Dallas, TX · $93 in drug and device payments (2025) · (214) 943-9911
Dr. Assal Rahimi, MD
Dallas, TX · $1,000 in drug and device payments (2025) · Telehealth · (214) 645-7600
Dr. Astrid Medrano
Dallas, TX · $96 in drug and device payments (2025) · (214) 645-8525
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.D
Dallas, TX · No drug or device payments recorded (2025) · (214) 648-3111
Dr. Dale Fuller, MD
Dallas, TX · No drug or device payments recorded (2025) · (972) 490-2900
Dr. Dan Garwood, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 645-8525
Dr. David Pistenmaa, MD
Dallas, 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. Donald Schwarz, M.D.
Dallas, TX · $23 in drug and device payments (2025) · (214) 345-7394
Dr. Granger Scruggs, MD
Dallas, TX · No drug or device payments recorded (2025) · Telehealth · (214) 370-1400
Dr. Hak Choy, MD
Dallas, TX · $7,045 in drug and device payments (2025) · (214) 645-0624
Dr. Holly Grace, MD
Dallas, TX · $381 in drug and device payments (2025) · (214) 645-8525
Dr. Jerry Barker, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (214) 345-7394
Dr. Jessamy Boyd, MD
Dallas, TX · $473 in drug and device payments (2025) · Telehealth · (214) 739-4175
Dr. Jill De Vis, MD, PHD
Dallas, 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, MD
Dallas, TX · $404 in drug and device payments (2025) · Telehealth · (214) 645-8525
Dr. Manoj Reddy, MD
Dallas, TX · $30 in drug and device payments (2025) · (281) 772-6270
Dr. Michael Dohopolski, MD
Dallas, TX · $1,321 in drug and device payments (2025) · Telehealth · (214) 645-8525
Dr. Mihailo Miljanic, MD
Dallas, 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, MD
Dallas, 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, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 645-8525
Dr. Puneeth Iyengar, M.D., PH.D
Dallas, TX · $17,383 in drug and device payments (2025) · Telehealth · (646) 408-3485
Dr. Raquibul Hannan, MD, PHD
Dallas, TX · $19 in drug and device payments (2025) · Telehealth · (214) 645-8525
Dr. Robert Scruggs, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 370-1400
Dr. Robert Timmerman, MD
Dallas, TX · $11,371 in drug and device payments (2025) · Telehealth · (214) 645-8525
Dr. Sharon Macko, MD
Dallas, TX · No drug or device payments recorded (2025) · (972) 566-8500
Dr. Thomas Borok, MD
Dallas, TX · No drug or device payments recorded (2025) · (972) 931-1073
Dr. Timothy Nichols, MD
Dallas, TX · $33 in drug and device payments (2025) · (469) 364-7880
Dr. Tu Dan, M.D.
Dallas, TX · No drug or device payments recorded (2025) · Telehealth · (214) 645-8525
Dr. William Hittson, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 645-8525

Common questions

How many Radiation Oncology providers are in Texas?

There are 452 Radiation Oncology providers with active NPI records practicing in Texas, according to federal NPPES data refreshed monthly.

Do Radiation Oncology providers in Texas offer telehealth?

Yes. 145 of the 452 Radiation Oncology providers in Texas (about 32%) report offering telehealth services in CMS data.

Which cities in Texas have the most Radiation Oncology providers?

Houston (156), Dallas (46), San Antonio (30) have the highest concentration of Radiation Oncology providers in Texas.

How many Radiation Oncology providers in Texas received drug or device company payments?

260 of 452 Radiation Oncology providers in Texas (58%) 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 counts and profiles 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.

Do most Radiation Oncologists in Texas work in independent practices or large health systems?

Among 326 Radiation Oncologists in Texas enrolled in Medicare, 10% bill through a solo or small practice with fewer than 10 clinicians, 9% through a mid-size group of 10 to 99, and 82% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Radiation Oncologists in Texas work at?

According to CMS facility affiliation records, the Texas hospitals where the most Radiation Oncologists hold privileges are Ut of Texas Southwestern University Hospital - William P. Clements Jr. in Dallas; Baylor Scott & White Medical Center - Temple in Temple; Memorial Hermann Hospital System in Houston.

Related reading on HealthcareDiscovery.AI

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Radiation Oncology in Texas? Get featured.