Justin Visak, Ph.D. Titles and Appointments Assistant Professor Schools Medical School Departments Radiation Oncology Biography Justin Visak, Ph.D., Assistant Professor, earned his bachelor’s and master’s degrees as well as his Ph.D. from the University of Kentucky. After completing his medical physics residency in the Department of Radiation Oncology at UT Southwestern, he stayed on as faculty in the Division of Medical Physics and Engineering. Dr. Visak's clinical focus is adaptive radiotherapy on Ethos and Unity; his research interests include adaptive radiotherapy and novel treatment planning technology. Research Interest Adaptive radiotherapy Novel treatment planning technology Publications Development of a cost-effective end-to-end commissioning test for simulation-omitted direct-to-unit adaptive radiotherapy Wang D, Visak J, Domal S, Tong Z, Iakovenko V, Chiu T, Godley A, Parsons DD, Lin M Physics and Imaging in Radiation Oncology 2026 Jul 40 Adapt-on-demand: Enabling flexible and scalable adaptive radiotherapy through workflow automation Domal S, Choi MG, Visak J, Li R, Li T, Teo BK, Zhao X, Schmidt M, Laugeman E, Parsons D, Park YK, Badiyan S, Sher D, Lin MH Journal of applied clinical medical physics 2026 May 27 Strategies for enhancing delivery efficiency on MR-Linac: A dosimetric study and historical plan review Zhang Y, Tang S, Kabat C, Visak J, Chiu T, Li R, Jiang S, Lin MH Journal of applied clinical medical physics 2026 May 27 Personalized Ultra-Fractionated Stereotactic Adaptive Radiotherapy (PULSAR) for Patients with Lung Tumors and Severe Pulmonary Disease Westover KD, Li R, Tanner S, Aliru M, Lin MH, Cai B, Parsons D, Visak J, Gonzalez Y, Gill A, Zhang Y, Badiyan SN, Iyengar P, Timmerman R Journal of Clinical Medicine 2026 Feb 15 MR-Guided Radiotherapy Zhao Y, Chen X, Su FC, Ding Y, Visak J, Lin MH, Yang J 2026 Jan 354-377 Head and Neck Lin MH, Wang X, Visak J 2026 Jan 120-147 Adaptive Radiotherapy Visak J, Lin MH 2026 Jan 336-353 Ablative Preoperative Single-Fraction Radiation Dose Escalation Among Patients With Breast Cancer: A Phase 1 Nonrandomized Clinical Trial Rahimi A, Leitch M, Dogan B, Liu Y, Alluri P, Arbab M, Li X, Parsons DD, Kim DW, Wandrey N, Farr D, Seiler S, Unni N, Nguyen A, Wooldridge RD, Chiu TD, Lu W, Stojadinovic S, Visak J, Nwachukwu C, Patel I, Morgan H, Bahrami S, Stein M, McArthur HL, Sahoo S, Timmerman R JAMA Network Open 2025 Nov 8 Feasibility and Impact of a Radiation Therapy Technologist-Driven Workflow for Cone Beam Computed Tomography Guided Partial Breast Adaptive Radiation Therapy Parsons D, Domal S, Chambers E, Salazar D, Visak J, Arbab M, Holgado F, Li X, Okoro C, Wandrey N, Iqbal Z, Alluri P, Cai B, Keen H, Cleaton J, Godley A, Sher D, Badiyan S, Rahimi A, Lin MH International Journal of Radiation Oncology Biology Physics 2025 Jul 122 893-901 Improving efficiency in lung SAbR planning using integrated tools for X-ray based adaptive radiotherapy Visak J, Washington B, Liao CY, Domal S, Parsons D, Zhang Y, Badiyan S, Westover K, Lin MH Journal of applied clinical medical physics 2025 Jul 26 Results 1-10 of 32 1 2 3 4 Next Last Professional Associations/Affiliations American Association of Physicists in Medicine (2017) American Society for Radiation Oncology (2020) UTSW Medical Physics Adaptive Radiotherapy Fellowship Steering Committee (2023)
