RyanKNowakMD(He/Him)

Breast Cancer, Central Nervous System Cancer, Head & Neck, Thoracic Cancer

Radiation Oncologist at Sanford Cancer Center and Clinical Associate Professor at the USD Sanford School of Medicine

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Dr. Ryan Nowak is a radiation oncologist in Sioux Falls, SD, and is affiliated with multiple hospitals in the area, including Sanford USD Medical Center, Sanford Worthington Medical Center, and the Sioux Falls Veterans Affairs Health Care System. He has served as assistant clinical professor for the Sanford USD School of Medicine since 2016. He received his medical degree from University of Colorado School of Medicine and has been in practice 8 years. He specializes in breast cancer, central nervous system cancer, head & neck cancer, and thoracic cancer and is experienced in stereotactic radiosurgery (SRS), stereotactic body radiotherapy (SBRT), intensity-modulated radiation therapy (IMRT), volumetric arc therapy (VMAT), image-guided radiation therapy (IGRT), surface-guided radiation therapy (SGRT), HDR brachytherapy, LDR brachytherapy, and clinical research.

University of Nebraska Medical Center College of MedicineResidency, Radiation Oncology, 2010 - 2014
University of MarylandResidency, Neurological Surgery, 2009 - 2010
University of Maryland Medical Center Midtown CampusInternship, Transitional Year, 2008 - 2009
University of Colorado School of Medicine Anschutz Medical CampusClass of 2008
University of Michigan Medical SchoolB.S., Biophysics, With Distinction, 1999 - 2004

Guardian Angel Award Sanford Health, Sioux Falls, 2016
Sigma Pi Sigma National Physics Honor Society Member University of Michigan - Ann Arbor, 2003
University Honors University of Michigan - Ann Arbor, 2000, 2002-2003
Delta Epsilon Iota Honor Society University of Michigan - Ann Arbor, 2002
National Scholars' Honor Society University of Michigan - Ann Arbor, 2001
William J. Branstrom Freshman Prize University of Michigan - Ann Arbor, 2000
Recipient Lewis Scholarship - University of Colorado School of Medicine, 2005
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PubMed

1 citations
Implementation of a standardized approach to borderline resectable pancreatic cancer in a multisite community oncology program
Jonathan Bleeker, Christopher J. Sumey, Steven F. Powell, Preston D. Steen, Michael D. Keppen, Michele Lohr, Thavam Thambi-Pillai, Peter Kurniali, Miroslaw Mazurczak, ...> ;Surgery Open Science. 2020 Jul 29
68 citations
Safety and Efficacy of Pembrolizumab With Chemoradiotherapy in Locally Advanced Head and Neck Squamous Cell Carcinoma: A Phase IB Study
Steven Francis Powell, Kathryn A. Gold, Mark M. Gitau, Christopher Joseph Sumey, Michele Lohr, Steven McGraw, Ryan Kenneth Nowak, Ashley Wayne Jensen, Miran J. Blancha...> ;Journal of Clinical Oncology. 2020 Jun 1
9 citations
Fractionated stereotactic radiation therapy for vestibular schwannomas: Dosimetric factors predictive of hearing outcomes
Nathan R. Bennion, Ryan K. Nowak, Elizabeth Lyden, R Thompson, Sicong Li, Chi Lin> ;Practical Radiation Oncology. 2016 Sep 1

Abstracts/Posters

EVOLVE: Evaluating the Safety of De-escalated Head and Neck Irradiation for HPV+ Oropharynx Cancer in Non/Minimal Smokers
Blanchard M, Terrell A, Vegunta S, Powell S, Nowak R, Almquist D, Schmidt A, Bloch B, Shafique K, Geeraerts L, Nurkic S, Jensen A, Ellison C, Spanos W, Multidisciplinary Head and Neck Cancers Symposium, Phoenix, AZ, 2/2022
Safety of pembrolizumab with chemoradiation (CRT) in locally advanced squamous cell carcinoma of the head and neck (LA-SCCHN)
Powell SF, Gitau MM, Sumey CJ, Reynolds JT, Lohr M, McGraw S, Nowak RK, Terrell AM, Jensen AW, Blanchard MJ, Ellison C, Black LJ, Thompson PA, Gold KA, Cohen EEW, Lee ..., Journal of Clinical Oncology, ASCO Annual Meeting - Chicago, IL, 6/2017
Factors Associated with Hearing Loss in Patients with Vestibular Schwannomas Treated with Fractionated Stereotactic Radiotherapy
Nowak RK, Chen S, Lyden ER, Thompson RB, Thedinger BA, Greene GM, Li S, Lin C, International Journal of Radiation Oncology, Biology, Physics, ASTRO 55th Annual Meeting - Atlanta, Georgia, 10/1/2013

Lectures

Accelerated Partial Breast Irradiation for Early-Stage Breast Cancer
Sanford Cancer Center Oncology Education Forum - Sioux Falls, SD - 8/2021
DIBH Radiation Therapy for Left-Sided Breast Cancer
Sanford Cancer Center Oncology Education Forum - Sioux Falls, SD - 4/10/2018
Stereotactic Body Radiotherapy (SBRT) for Pancreatic Adenocarcinomas
Sanford Liver and Pancreatico-Biliary Conference - Sioux Falls, SD - 3/31/2016
Radiation Therapy for High Grade Astrocytomas
Omaha, NE - 12/12/2012
Stereotactic Radiosurgery for Cerebral Arteriovenous Malformations
Greater Omaha Radiation Oncology Conference - Omaha, NE - 10/11/2011
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Physician Member, Sanford Cancer Committee 2021 - Present
Physician Member, Sanford Enterprise Radiation Oncology Standardization Committee 2018 - Present
Member, Protocol Monitoring and Research Committee 2014 - Present
Member, Radiation Safety Committee 2014 - 2021