Radiation Oncology
Clinical Overview

Regine Molitoris and NPs

The Department of Radiation Oncology is a proud part of the University of Maryland Greenebaum Comprehensive Cancer Center (UMGCCC), providing the most advanced radiation therapies for the treatment of a variety of cancers. Our radiation oncology experts work as part of a multidisciplinary team, along with medical, surgical and other oncology specialists, to deliver a customized treatment plan for each individual patient.

This coordinated team approach to cancer care gives our patients access to the widest possible range of treatment options and the best chance for a successful outcome.

BWMC Physicians White Coats 2023

The Department of Radiation Oncology has two locations in Baltimore: the downtown academic center on the ground floor of the Gudelsky Building at the University of Maryland Medical Center (UMMC), and the Maryland Proton Treatment Center (MPTC).

The Department of Radiation Oncology has community programs at five locations across Maryland, including Central Maryland Radiation Oncology (CMRO) in Columbia, MD, UM Upper Chesapeake Health Kaufman Cancer Center in Bel Air, MD, the Tate Cancer Center at UM Baltimore Washington Medical Center (BWMC) in Glen Burnie, MD, the Requard Radiation Oncology Center at University of Maryland Shore Regional Health in Easton, MD, and Radiation Oncology at UM Capital Region Health in Largo, MD.

Each site is staffed with University of Maryland School of Medicine faculty. This affiliation opens the door to leading-edge treatment modalities, cutting-edge clinical trials, and expert consultation with the University of Maryland Greenebaum Comprehensive Cancer Center physicians.

For more information about our clinical program, please visit our University of Maryland Medical Center site. For more information about our clinical research, including clinical trials, visit our research page.


University of Maryland School of Medicine Clinical Faculty

William Regine, MD, FACR, FACRO

William F. Regine, MD, FACR, FASTRO, FACRO (he/him)
Isadore & Fannie Schneider Foxman Chair and Distinguished Professor of Radiation Oncology
Interim Chair, Department of Diagnostic Radiology and Nuclear Medicine
Senior Associate Dean for Clinical Affairs
President, University of Maryland Faculty Physicians, Inc.
Executive Director, Maryland Proton Treatment Center
Locations: University of Maryland Medical Center & Maryland Proton Treatment Center

Mohan Suntha

Mohan Suntha, MD, MBA
Marlene & Stewart Greenebaum Professor of Radiation Oncology
President & CEO of University of Maryland Medical System (UMMS)
Location: University of Maryland Medical Center

Rashmi Benda

Rashmi Benda, MD
Associate Professor of Radiation Oncology
Medical Director, Requard Radiation Oncology Center
Location: UM Shore Regional Health

Sally Cheston

Sally B. Cheston, MD
Associate Professor of Radiation Oncology
Medical Director
Location: Central Maryland Radiation Oncology

Wendla Citron

Wendla K. Citron, MD
Clinical Assistant Professor of Radiation Oncology
Medical Director, Radiation Oncology at Tate Cancer Center
Location: UM Baltimore Washington Medical Center

Sara Dudley

Sara A. Dudley, MD
Assistant Professor of Radiation Oncology
Location: UM Upper Chesapeake Health

Matthew Ferris

Matthew J. Ferris, MD
Assistant Professor of Radiation Oncology
Billing & Compliance Director
Department of Radiation Oncology
Medical Director
Location: Maryland Proton Treatment Center

Jack Hong

Jack J. Hong, MD
Assistant Professor of Radiation Oncology
Medical Director
Radiation Oncology at Kaufman Cancer Center
Location: UM Upper Chesapeake Health

Samir Kanani

Samir P. Kanani, MD
Assistant Professor of Radiation Oncology
Locations: University of Maryland Medical Center & Maryland Proton Treatment Center

Michael Kim

Michael Kim, MD
Assistant Professor of Radiation Oncology
Locations: University of Maryland Medical Center & Maryland Proton Treatment Center

Dan K. Kunaprayoon, MD
Assistant Professor of Radiation Oncology
Locations: University of Maryland Medical Center, Maryland Proton Treatment Center, UM Baltimore Washington Medical Center

Young Kwok

Young Kwok, MD (he/him)
Professor of Radiation Oncology
Locations: Maryland Proton Treatment Center & Central Maryland Radiation Oncology

Sarah Anne McAvoy

Sarah A. McAvoy, MD (she/her)
Associate Professor of Radiation Oncology
Vice Chair for Education
Medical Residency Program Director
Department of Radiation Oncology
Locations: UM Baltimore Washington Medical Center, University of Maryland Medical Center, Maryland Proton Treatment Center

Reed McDonagh

Reed McDonagh, MD, PhD
Assistant Professor of Radiation Oncology
Locations: University of Maryland Medical Center & Maryland Proton Treatment Center

Mark Mishra 250 pix

Mark V. Mishra, MD
Professor of Radiation Oncology
Vice Chair for Clinical Research
Department of Radiation Oncology
Associate Director for UM Cancer Networks
Locations: University of Maryland Medical Center & Maryland Proton Treatment Center

Jason K. Molitoris, MD, PhD
Associate Professor of Radiation Oncology
Medical Director, University of Maryland Medical Center
Department of Radiation Oncology
Locations: University of Maryland Medical Center & Maryland Proton Treatment Center

Elizabeth Nichols

Elizabeth M. Nichols, MD
Associate Professor of Radiation Oncology
Vice Chair for Clinical Affairs
Department of Radiation Oncology
Locations: University of Maryland Medical Center, Maryland Proton Treatment Center

Kamila Anna Nowak Choi, MD

Kamila Anna Nowak Choi, MD (she/her)
Assistant Professor of Radiation Oncology
Locations: UM Upper Chesapeake Health, University of Maryland Medical Center & Maryland Proton Treatment Center

Zaker Rana

Zaker H. Rana, MD
Assistant Professor of Radiation Oncology
Director of Medical Student Elective Course & Medical Student Research Internships
Department of Radiation Oncology
Locations: University of Maryland Medical Center & Maryland Proton Treatment Center

Phuoc Tran

Phuoc T. Tran, MD, PhD
Professor of Radiation Oncology
Senior Vice Chair for Research
Department of Radiation Oncology
Locations: University of Maryland Medical Center & Maryland Proton Treatment Center

Melissa Vyfhuis

Melissa Ana Liriano Vyfhuis, MD, PhD (she/her)
Associate Professor of Radiation Oncology
Medical Director of Radiation Oncology
Location: UM Capital Regional Medical Center

Martha Francis

Martha E. Francis, PhD, RN, FNP-BC, AOCNP
Visiting Assistant Professor of Radiation Oncology
Nurse Practitioner
Department of Radiation Oncology
Location: UMMC


Other Clinical Faculty

John Mastandrea

John P. Mastandrea, MD
Clinical Associate Professor of Radiation Oncology
Requard Radiation Oncology Center
Location: UM Shore Regional Health

Akshar Patel

Akshar N. Patel, MD
Visiting Assistant Professor of Radiation Oncology
Location: UM Baltimore Washington Medical Center


Volunteer University of Maryland School of Medicine Clinical Faculty