Gregory Penoncello
Assistant Professor, Radiation Oncology

Graduate Schools :
  • MS, Vanderbilt University (2013)
  • Other, Vanderbilt University (2015)
Undergraduate School:
  • BS, University of Maine (ME) (2010)
Department: Radiation Oncology

Professional Titles

  • Assistant Professor


  • Lucido JJ, Penoncello GP, Laughlin BS, Armstrong MD, Lo SG, Rivera JN, Tang X, Chungbin SJ, Breen WG, Mangold AR, Comfere NI, Lester SC, Rule WG, Deufel CL, Foster MG. Development and Dosimetric Characterization of a Customizable Shield for Subtotal Skin Electron Beam Therapy. Adv Radiat Oncol. 2023 Jun 14;8(6):101289. doi: 10.1016/j.adro.2023.101289.
  • Jesse L. Butterfield, Gregory P. Penoncello, Karan Dikshit, and Carson J. Bruns. Photochromic Intradermal Smart Tattoo Based on Diarylethene-Doped Polystyrene Nanoparticles for Personal ?-Ray Dosimetry. ACS Applied Nano Materials Article ASAP DOI: 10.1021/acsanm.2c01554
  • Lim R, Penoncello GP, Hobbis D, Harrington DP, Rong Y. Technical note: Characterization of novel iterative reconstructed cone beam CT images for dose tracking and adaptive radiotherapy on L-shape linacs. Med Phys. 2022 Dec;49(12):7715-7732. PubMed PMID: 36031929
  • Feng H, Patel SH, Wong WW, Younkin JE, Penoncello GP, Morales DH, Stoker JB, Robertson DG, Fatyga M, Bues M, Schild SE, Foote RL, Liu W. GPU-accelerated Monte Carlo-based online adaptive proton therapy: A feasibility study. Med Phys. 2022 Jun;49(6):3550-3563. PubMed PMID: 35443080
  • Pepin MD, Penoncello GP, Brom KM, Gustafson JM, Long KM, Rong Y, Fong de Los Santos LE, Shiraishi S. Assessment of dose-volume histogram precision for five clinical systems. Med Phys. 2022 Oct;49(10):6303-6318. PubMed PMID: 35943829
  • Penoncello GP, Gagneur JD, Vora SA, Yu NY, Fatyga M, Mrugala MM, Bendok BR, Rong Y. Comprehensive Commissioning and Clinical Implementation of GammaTiles STaRT for Intracranial Brain Cancer. Adv Radiat Oncol. 2022 Jul-Aug;7(4):100910. PubMed PMID: 35434425
  • Penoncello GP, Robertson DG, Bhangoo RS, Hu y, Liu W, Yang Y, Rule WG, Vargas CE. History and Future of IGRT in Abdominal Cancer. In: Kuang Y, ed. Principles and Practice of Image-Guided Abdominal Radiation Therapy. IPEM-IOP Series in Physics and Engineering in Medicine and Biology. London, UK: Institute of Physics (IOP_ Publishing, 2021. ISBN: 9780750324663
  • Penoncello GP, Ding GX. Skin dose differences between intensity-modulated radiation therapy and volumetric-modulated arc therapy and between boost and integrated treatment regimens for treating head and neck and other cancer sites in patients. Med Dosim. 2016 Spring;41(1):80-6. PubMed PMID: 26764180
  • Gunewardene MS, Subach FV, Gould TJ, Penoncello GP, Gudheti MV, Verkhusha VV, Hess ST. Superresolution imaging of multiple fluorescent proteins with highly overlapping emission spectra in living cells. Biophys J. 2011 Sep 21;101(6):1522-8. PubMed PMID: 21943434
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Professional Memberships

  • American Association of Physicists in Medicine, Member

Practice Locations

University of Colorado Cancer Center - Anschutz Medical Campus
1665 Aurora Ct
Aurora, CO 80045

Hospital Affiliation
  • University of Colorado Hospital

Specialty Information

  • American Board of Radiology, Therapeutic Medical Physics, Board Certification (2015)

General Information

Graduate Schools:
  • MS, Vanderbilt University (2013)
  • Other, Vanderbilt University (2015)
Undergraduate Schools:
  • BS, University of Maine (ME) (2010)
Department: Radiation Oncology
Contact Us
CU Anschutz
Fitzsimons Building

13001 East 17th Place
Campus Box C290
Aurora, CO 80045

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