Physicians & Staff

The Department of Radiation Oncology is a cornerstone of the University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center (UMGCCC). 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. See a complete list of Radiation Oncology Staff, including Radiologic Physics and Translational Radiation Sciences on the UM School of Medicine website.


Photo of Doctor William F. Regine, M.D.William F. Regine, MD, FACR, FACRO
Professor of Radiation Oncology
Isadore and Fannie Schneider Foxman Chair, Department of Radiation Oncology
Executive Director, Maryland Proton Treatment Center

Special Interests: Pancreatic Cancer, Gastrointestinal Malignancies, Head and Neck and Central Nervous System Cancers, 
Brain Tumor Treatments, Gamma Knife Radiosurgery, Stereotactic Body Radiation Therapy (SBRT)
Medical Degree: State University of New York Health and Science Center
Residency: Thomas Jefferson University Hospital
Fellowships: Thomas Jefferson University Hospital and University of Florida, Radiation Oncology
Certification: Radiation Oncology
800-492-5538 / appointments
410-328-2326 / academic office


Pradip Amin, MD
Associate Professor of Radiation Oncology
Special Interests: Genitourinary Tumors, Brain Tumors, Gamma Knife, Musculoskeletal/Soft Tissue Oncology, Cancer
Medical Degree: T.N. Medical College, University of Bombay, India
Residency: University of Maryland Medical Center 
Certification: Radiation Oncology
410-328-8995 / appointments
410-328-6080 / academic office


Shahed N. Badiyan, MDShahed N. Badiyan
Assistant Professor of Radiation Oncology
Special Interests: Proton therapy for: Breast, Gastrointestinal, Genitourinary, Gynecologic, Head and Neck, and Thoracic Cancers; also treats pediatric cancer
Medical Degree: University of Texas Southwestern School of Medicine
Residency: Mallinckrodt Institute of Radiology, Washington University
Certification: Radiation Oncology
410-369-5200 / appointments


Sally B. Cheston, MD
Assistant Professor of Radiation Oncology
Special Interests: Breast Cancer, Cancer
Medical Degree: University of Maryland School of Medicine
Residency: University of Maryland Medical Center, Radiation Oncology
Fellowship: University of Maryland Medical Center, Radiation Oncology
Certification: Radiation Oncology
800-492-5538 / appointments
410-740-9300 / academic office


Wendla K. Citron, MD
Assistant Professor of Radiation Oncology
Program Director, Radiation Oncology Residency Program

Special Interests: Breast and Gynecologic Cancers, Women's Health
Medical Degree: Wake Forest University School of Medicine
Residency: University of Chicago, Radiation Oncology
Certification: Radiation Oncology
800-492-5538 / appointments


Randi J. Cohen, MD, MS  
Assistant Professor of Radiation Oncology
Special Interests: Breast Cancer, Prostate Cancer and Prostate Brachytherapy, Lung Cancer, Stereotactic Body Radiation Therapy (SBRT)
Medical Degree: State University of New York (SUNY) Stony Brook School of Medicine
Residency: Fox Chase Cancer Center, Radiation Oncology
Certification: Radiation Oncology
800-492-5538 / appointments


Heather A. Curry, MD
Medical Director, University of Maryland Radiation Oncology Center at Union Hospital
Special Interests: Radiation Oncology-based Clinical Trials, IMRT, IMGT, Stereotactic Body Radiation Therapy (SBRT)
Medical Degree: Temple University School of Medicine
Residency: Washington University, Mallinckrodt Institute of Radiology, Barnes-Jewish Hospital, Radiation Oncology
Certification: Radiation Oncology, Subspecialty in Hospice and Palliative Medicine
800-492-5538 / appointments


Photo of Doctor Steven J. Feigenberg, M.D.Steven J. Feigenberg, MD
Professor of Radiation Oncology
Director of Clinical Research
Director of the Stereotactic Body Radiotherapy Program

Special Interests: Breast Cancer; Lung Cancer; Stereotactic Body Radiotherapy (SBRT) for Lung, Liver and Spine Malignancies
Medical Degree: Hahnemann University School of Medicine
Residency: University of Florida, Gainesville
Certification: Radiation Oncology
800-492-5538 / appointments
410-328-6080 / academic office


Jack J. Hong, MD, FACROJack J. Hong, MD, FACRO
Special Interests: Brachytherapy, Intensity Modulated Radiation Therapy (IMRT), Image Guided Radiation Therapy (IGRT), Stereotactic Body Radiation Therapy (SBRT)
Medical Degree: Eastern Virginia Medical School
Residency: University of Maryland Department of Radiation Oncology
Fellowship: University of Maryland

 


Adeel Kaiser, MD
Assistant Professor, Radiation Oncology
Special Interests: genitourinary/prostate, head and neck cancers
Medical Degree: Johns Hopkins University School of Medicine
Residency: University of California Irvine Integrated Radiation Oncology Program
Certification: Radiation Oncology 
800-492-5538 / appointments


Dan K. Kunaprayoon, MD
Visiting Assistant Professor, Radiation Oncology
Medical Degree: University of Maryland School of Medicine
Residency: University of Cincinnati Medical Center, Radiation Oncology
Certification: Radiation Oncology
800-492-5538 / appointments

 

Young Kwok, MD
Associate Professor of Radiation Oncology
Special Interests: Central Nervous System, Genitourinary Oncology, Lymphoma
Medical Degree: Albert Einstein College of Medicine
Residency: University of Maryland Medical Center
Certification: Radiation Oncology
410-328-6080 / academic office
410-328-9134 / appointments


Robert S. Malyapa, MD
Professor of Radiation Oncology
Special Interests: Proton Therapy for: Cancers of the Brain, Spine, Head and Neck; Sarcoma; also treats pediatric cancer
Medical Degree: All India Institute of Medical Sciences
Residency: Mallinckrodt Institute of Radiology, Washington University
Certification: Radiation Oncology
410-369-5200 / appointments


Mark Vikas Mishra, MD
Assistant Professor of Radiation Oncology
Special Interests: CNS and Lung 
Medical Degree: University of Cincinnati College of Medicine
Residency: Thomas Jefferson University Hospital, Radiation Oncology
Fellowship: Clinical Research Fellow, National Institute of Health
410-328-6080 / appointments
410-328-2318 / academic office


Pranshu Mohindra, MD, MBBS
Assistant Professor
Special Interests: Lung Cancer; Esophageal Cancer; Mesothelioma; Thymic Tumors; Mediastinal and Chest Wall Tumors;
Hematologic Malignancies; Gynecologic Malignancies; Multi-modality Clinical Trials
Medical Degree: University of Mumbai, DR. D.Y. Patil Medical College
Residencies: Tata Memorial Center, University of Mumbai, India; University of Wisconsin, Madison, WI
Fellowship: Princess Margaret Hospital, University of Toronto
Internship: University of Mumbai, DR. D.Y. Patil Medical College
Research Fellowship: University of Texas M.D. Anderson Cancer Center
800-492-5538 / appointments

Elizabeth May Nichols, MD
Assistant Professor of Radiation Oncology
Clinical Director, Maryland Proton Treatment Center
Special Interests: Breast and Gynecologic Cancers, External Thermal Therapy
Medical Degree: University of Maryland School of Medicine
Residency: University of Maryland Medical Center
Certification: Radiation Oncology
443-546-1300 / academic office
443-546-1300 / appointments

Robert G. Slawson, MD
Clinical Associate Professor of Radiation Oncology
Medical Degree: University of Iowa College of Medicine
Residency: Walter Reed Army Medical Center/National Capital Consortium - Diagnostic Radiology
Fellowship: Walter Reed Army Medical Center/National Capital Consortium - Therapeutic Radiology
Certification: Radiation Oncology
800-492-5538 / appointments

Mohan Suntha, MD
Marlene and Stewart Greenebaum Professor of Radiation Oncology
Special Interests: Head and Neck Cancer, Lung Cancer, Esophageal Cancer
Medical Degree: Thomas Jefferson Medical College
Residency: University of Maryland Medical Center
Fellowships: University of Maryland Medical Center
Certification: Radiation Oncology
410-328-2331 / appointments
410-328-2328 / academic office


Zeljko Vujaskovic, MD, PhD  
Professor of Radiation Oncology Director, Division of Translational Radiation Sciences
Special Interests: Therapeutic interventions/strategies to prevent, mitigate, or treat radiation injury; Radiation-related normal tissue injury; Genitourinary malignancies with a special interest in prostate cancer
Medical Degree: University of Zagreb Medical School
Residency: Military Medical Academy in Belgrade, Yugoslavia
Fellowships: University of Colorado Cancer Center, Medical Oncology; Colorado State University, Radiological Health Services
Certification: Radiation Oncology
800-492-5538 / appointments
410-328-6080 / academic office



Division of Translational Radiation Sciences

Ann M. Farese, MS, MA 
Research Associate

Elizabeth Balcer-Kubiczek, PhD
Associate Professor
Research Interests: Late Effects of Radiation Exposure, Gene Induction

Feyruz Rassool, PhD
Associate Professor
Research Interests: DNA Damage and Repair in Cancer and Leukemia Progression

Isabel Lauren Jackson, PhD
Assistant Professor

Janet Baulch, PhD
Assistant Professor

Juong G. Rhee, PhD
Associate Professor
Research Interests: Combinational Radiation and Gene Therapy, Hypoxia

Kim G. Hankey, PhD 
Research Associate

Masaki Kimura, MD, DMedSc
Research Associate

Thomas MacVittie, PhD
Professor
Research Interests: Immunotherapeutic Approaches for Adjunctive Treatment of Cancer

Xiuwu Zhang, BM, DM
Assistant Professor

Zeljko Vujaskovic, MD, PhD 
Professor of Radiation Oncology Director, Division of Translational Radiation Sciences
Research Interests: Radiation-related normal tissue injury



Core Resources

Genetic Counseling:

Jessica Scott, MGC
Certified Genetic Counselor
410-328-7904


Clinical Nutrition Services:

Jenny TaylorJenny Taylor, RD, LDN, CNSD
Senior Dietitian
410-328-5462


Psychosocial Services:

Mark J. Ehrenreich, M.D.Mark J. Ehrenreich, MD
Assistant Professor of Psychiatry
Program Director, Consultation/Liaison
Medical Director, Medical Crisis Counseling Center

Special Interests: Psychotherapy; General Adult Psychiatry; Medical Crisis Counseling; Affective and Anxiety Disorders; Consultation Liaison Psychiatry; Psychiatric Care of the Medically Ill
Medical Degree: University of Maryland School of Medicine
Residency: University of Maryland Medical Center
Fellowship: University of Maryland Medical Center
Certification: Psychiatry; Geriatric Psychiatry
410-328-6553 / appointments
410-328-6091 / academic office


Catherine L Harrison-Restelli M.D.Catherine L Harrison-Restelli, MD
Assistant Professor of Psychiatry
Special Interests: Psychiatric care of patients with serious medical illnesses (HIV, cancer, transplant); delirium, confusion and agitation in medically ill patients; women's mental health, especially the care of the pregnant and postpartum woman; psychiatric care of veteran's, especially female veterans and patients with Traumatic Brain Injury (TBI) and Post Traumatic Stress Disorder (PTSD)
Medical Degree: Joan and Sanford I. Weill Medical College of Cornell University
Residency: Johns Hopkins Hospital, University of Maryland-Sheppard Pratt Hospital
Fellowship: University of Maryland Medical Center, Psychosomatic Medicine
Certification: Psychiatry, Psychosomatic Medicine
410-328-6553 / appointments
410-328-6091 / academic office

Mark Vikas Mishra, MD
Assistant Professor of Radiation Oncology
Special Interests: CNS and Lung 
Medical Degree: University of Cincinnati College of Medicine
Residency: Thomas Jefferson University Hospital, Radiation Oncology
Fellowship: Clincal Research Fellow, National Institute of Health
410-328-6080 / appointments
410-328-2318 / academic office
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