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Kenneth Y. Usuki, M.D.

Contact Information

Phone Numbers

Appointment: (585) 275-2171

URMFGA member of the University of Rochester Medical Faculty Group

groupAn Accountable Health Partner

assignmentAccepting New Patients

Faculty Appointments

Patient Care Settings

Cancer, Hospital Medicine, Imaging Sciences, Radiation Oncology


Professional Background

Dr. Kenneth Usuki is a board certified Radiation Oncologist and Associate Professor of Radiation Oncology. He earned his Doctorate of Medicine degree from Jefferson Medical College in Philadelphia, PA. He then went on to complete a surgical/transitional internship at the University of Pennsylvania Hospital System in Philadelphia, PA, and then residency in Radiation Oncology at the University of Rochester’s Strong Memorial Hospital where he served as chief resident.

Dr. Usuki's primary research and clinical practice includes neuro-oncologic patients with primary malignant brain (glioma, ependymoma, meningioma, and schwannoma)/spine tumors, metastatic lesions to the brain/spine, and benign brain/spine lesions and applying cutting edge radiation treatments such as Stereotactic Radio Surgery (SRS), Brain Lab Cranial Elements SRS, Brain Lab Cranial Multiple Metastases, Intensity Modulated Radiation Therapy (IMRT), VMAT- volumetric-modulated arc therapy, and Image Guided Radiation Therapy (IGRT) with Robotics to the brain and spine. Dr. Usuki serves as the Co-Director of the University of Rochester Spinal Radiosurgery program.

Dr. Usuki also specializes in skin cancers including melanoma, Merkel cell, squamous cell, and basal cell, and utilizes Tomotherapy, VMAT therapy, and electron therapy for the treatment of these diseases. He also treats patients with gastrointestinal tumors including esophagus, rectum, stomach, liver, and pancreas.

Dr. Usuki is heavily involved in the education of residents and medical students at the University of Rochester's School of Medicine and Dentistry. He serves as the Associate Radiation Oncology Residency Director, the Radiation Oncology Medical Student Clerkship Director, and as the Wellness Representative of the Department of Radiation Oncology.



  • Radiation Oncology - American Board of Radiology


MD | Jefferson Medical College

Post-doctoral Training & Residency

07/01/2005 - 06/30/2009
Residency in Radiation Oncology at University of Rochester Medical Center

06/25/2004 - 06/24/2005
Internship in Transitional Year at Presbyterian Medical Center of University of Pennsylvania


Journal Articles

Webster M; Tanny S; Joyce N; Herman A; Chen Y; Milano M; Usuki K; Constine L; Singh D; Yeo I. "New dosimetric guidelines for linear Boltzmann transport equations through comparative evaluation of stereotactic body radiation therapy for lung treatment planning". J Appl Clin Med Phys. 2021; 22(12): 115-124.

Brown PD, Gondi V, Pugh S, Tome WA, Wefel JS, Armstrong TS, Bovi JA, Robinson C, Konski A, Khuntia D, Grosshans D, Benzinger TLS, Bruner D, Gilbert MR, Roberge D, Kundapur V, Devisetty K, Shah S, Usuki K, Anderson BM, Stea B, Yoon H, Li J, Laack NN, Kruser TJ, Chmura SJ, Shi W, Deshmukh S, Mehta MP, Kachnic LA, . "Hippocampal Avoidance During Whole-Brain Radiotherapy Plus Memantine for Patients With Brain Metastases: Phase III Trial NRG Oncology CC001." Journal of clinical oncology : official journal of the American Society of Clinical Oncology.. 2020 Apr 1; 38(10):1019-1029. Epub 2020 Feb 14.

Milano MT, Bates JE, Budnik J, Qiu H, Hardy S, Cummings MA, Baumgart MA, Maggiore RJ, Mulford DA, Usuki KY. "Risk of brain metastases in T1-3N0 NSCLC: a population-based analysis." Lung cancer management.. 2020 Feb 25; 9(1):LMT25. Epub 2020 Feb 25.

Books & Chapters

Chapter Title: Radiation Necrosis
Book Title: Image-Guided Hypofractionated Stereotactic Radiotherapy (IG-hSRT) A Practical Approach to SRT for Brain and Spine Tumor, 1st Edition
Author List: Usuki KY; Milano MT
Edited By: Sahgal A; Lo SS; Ma L; Sheehan JP
Published By: CRC Press 2016 in New York

Chapter Title: Metastatic Disease: Bone, Spinal Cord, Brain, Liver and Lung
Book Title: Clinical Radiation Oncology, 4th Edition
Author List: Usuki KY; Milano MT; David M; Okunieff P
Edited By: Gunderson LL; Tepper JE
Published By: Churchill Livingstone 2016 in Philadelphia