Radiation Oncology Specialists

William F. Regine, MD, FACR, FACRO

Isadore and Fannie Schneider Foxman Chair and Professor of Radiation Oncology

President, University of Maryland Medical Center Staff Organization

Executive Director, Maryland Proton Treatment Center (MPTC)

Sally B. Cheston, MD

Medical Director, Central Maryland Radiation Oncology

Associate Professor of Radiation Oncology

Matthew J. Ferris, MD

Assistant Professor of Radiation Oncology

Wendla Karen Citron, MD

Clinical Assistant Professor

Medical Director For Tate Cancer Center

Associate Director of Residency Program

Jack J. Hong, MD

Medical Director, Upper Chesapeake Health

Assistant Professor of Radiation Oncology

Emily S. Kowalski, MD

Medical Director, Shore Regional Health

Assistant Professor of Radiation Oncology

Dan K. Kunaprayoon, MD

Assistant Professor of Radiation Oncology

Young Kwok, MD

Professor of Radiation Oncology

Sarah Anne McAvoy, MD

Assistant Professor of Radiation Oncology

Residency Program Director, University of Maryland School of Medicine

Mark V. Mishra, MD

Associate Professor of Radiation Oncology, Director of Clinical Research

Pranshu Mohindra, MD, MBBS, DABR

Associate Professor of Radiation Oncology, Director of Billing & Compliance

Jason K. Molitoris, MD, PhD

Assistant Professor of Radiation Oncology

Director of the Nancy K. Welker Fellowship in Proton Therapy and Advanced Radiation Modalities

Elizabeth M. Nichols, MD

Vice-Chair for Clinical Affairs

Clinical Director and Associate Professor of Radiation Oncology

Zaker Hamid Rana, MD

Assistant Professor of Radiation Oncology

Mohan Suntha, MD

Professor of Radiation Oncology

President and Chief Executive Officer of UMMS

Matthew E. Witek, MD

Medical Director, Maryland Proton Treatment Center (MPTC)

Associate Professor of Radiation Oncology

Tiffani N. Tyer, CRNP

Senior Nurse Practitioner, Radiation Oncology

Martha Francis, CRNP

Yolanda Violet Horton, CRNP

Rosemarie Hudson, CRNP

Sarah Masek, CRNP

Patricia Kay Oswald, CRNP

Susan Otremba, CRNP

Sarah Elizabeth Ruff, CRNP

Katarina Joy Steacy, CRNP

Ilana Soumekhian, LMSW

Outpatient Social Worker

Jessica Yoon, MS, RD, CNSC

Nutrition Specialist