Margaret Kozak, M.D., Assistant Professor, earned her bachelor’s degree from UCLA and medical degree from the University of Central Florida College of Medicine. Following that, she did an internship in internal medicine at Santa Clara Valley Medical Center and a residency in radiation oncology at Stanford University.

Before joining UT Southwestern's Department of Radiation Oncology, Dr. Kozak was on faculty at the University of Iowa.


Medical School
University of Central Florida College of Medicine (2015)
Santa Clara Valley Medical Center (2016), Internal Medicine
Stanford University (2020), Radiation Oncology


Less than whole uterus irradiation for patients with locally advanced cervical cancer
Hui C, Ewongwo A, Mendoza MG, Kozak MM, Jackson S, Fu J, Kidd E Radiotherapy and Oncology 2024 May 194
Modern Radiation Treatment Planning Parameters and Outcomes in Pediatric Tectal Gliomas
Khan Q, Bowar B, Ismael H, Gainey J, Myers B, Dlouhy B, Hyer D, Grafft A, Khan M, Buatti JM, Kozak MM Advances in Radiation Oncology 2024 Apr 9
Spatially Resolved Single-Cell Assessment of Pancreatic Cancer Expression Subtypes Reveals Co-expressor Phenotypes and Extensive Intratumoral Heterogeneity
Williams HL, Costa AD, Zhang J, Raghavan S, Winter PS, Kapner KS, Ginebaugh SP, Väyrynen SA, Väyrynen JP, Yuan C, Navia AW, Wang J, Yang A, Bosse TL, Kalekar RL, Lowder KE, Lau MC, Elganainy D, Morales-Oyarvide V, Rubinson DA, Singh H, Perez K, Cleary JM, Clancy TE, Wang J, Mancias JD, Brais LK, Hill ER, Kozak MM, Linehan DC, Dunne RF, Chang DT, Koong AC, Hezel AF, Hahn WC, Shalek AK, Aguirre AJ, Nowak JA, Wolpin BM Cancer research 2023 Feb 83 441-455
Neoadjuvant Chemotherapy Is Associated with Altered Immune Cell Infiltration and an Anti-Tumorigenic Microenvironment in Resected Pancreatic Cancer
Costa AD, Väyrynen SA, Chawla A, Zhang J, Väyrynen JP, Lau MC, Williams HL, Yuan C, Morales-Oyarvide V, Elganainy D, Singh H, Cleary JM, Perez K, Ng K, Freed-Pastor W, Mancias JD, Dougan SK, Wang J, Rubinson DA, Dunne RF, Kozak MM, Brais L, Reilly E, Clancy T, Linehan DC, Chang DT, Hezel AF, Koong AC, Aguirre AJ, Wolpin BM, Nowak JA Clinical Cancer Research 2022 Dec 28 5167-5179
Incidence of Brain Metastases in Women Treated With Neoadjuvant Chemotherapy for Breast Cancer: Implications for Screening
Kozak MM, Karl J, von Eyben R, Guo F, Gutkin P, Horst K Clinical breast cancer 2022 Dec 22 e916-e921
Initial clinical applications treating pediatric and adolescent patients using MR-guided radiotherapy
Kozak MM, Crompton D, Gross BA, Harshman L, Dickens D, Snyder J, Shepard A, St-Aubin J, Dunkerley D, Hyer D, Buatti JM Frontiers in Oncology 2022 Nov 12
Locoregional and Distant Outcomes in Women With cT1-3N1 Breast Cancer Treated With Neoadjuvant Chemotherapy With or Without Adjuvant Radiotherapy
Kozak MM, von Eyben R, Gutkin PM, Vemuri M, Jacobson CE, Karl JJ, Walck E, Marquez C, Horst KC Clinical breast cancer 2021 Aug 21 373-382
Prospective randomized trial of email and/or telephone reminders to enhance vaginal dilator compliance in patients undergoing brachytherapy for gynecologic malignancies
Kozak MM, Usoz M, Fujimoto D, von Eyben R, Kidd E Brachytherapy 2021 Jul 20 788-795
Composition, Spatial Characteristics, and Prognostic Significance of Myeloid Cell Infiltration in Pancreatic Cancer
Vayrynen SA, Zhang J, Yuan C, Vayrynen JP, Costa AD, Williams H, Morales-Oyarvide V, Lau MC, Rubinson DA, Dunne RF, Kozak MM, Wang W, Agostini-Vulaj D, Drage MG, Brais L, Reilly E, Rahma O, Clancy T, Wang J, Linehan DC, Aguirre AJ, Fuchs CS, Coussens LM, Chang DT, Koong AC, Hezel AF, Ogino S, Nowak JA, Wolpin BM Clinical Cancer Research 2021 Feb 27 1069-1081
Signet ring cell carcinoma of the Ampulla of Vater: outcomes of patients in the United States
Kinslow CJ, May MS, Kozak M, Pollom EL, Chang DT HPB 2020 Dec 22 1759-1765