Meet Our Medical Team

The Maryland Proton Treatment Center (MPTC) is led by renowned radiation oncologists from the University of Maryland School of Medicine who are inspired by patients and driven by a passion for healing. Using a team approach to care, every patient receives an individualized treatment plan. Our physicians are involved in cutting-edge research and clinical trials, and are leading experts who have been formally trained in proton therapy to treat patients with a wide variety of cancers.

MPTC physicians provide a unique level of proton therapy experience and expertise, with an average of 20 years of clinical experience and a combined 40+ years of proton therapy experience.

In addition, MPTC is designed to be a regional resource, and radiation oncologists from other health systems will also treat their patients here alongside our physicians.

MPTC has also partnered with Varian,  a global leader in developing and delivering cancer care solutions, to create and deliver a diverse range of training and educational offerings targeted to physicians, medical physicists, dosimetrists, radiation therapists and administrators. To date, more than 165 medical professionals have completed training at MPTC.

Read on to learn more about MPTC’s radiation oncologists, their expertise, and the cancer sites they treat with proton therapy.

Maryland Proton Treatment Center Medical Team William F. Regine MDExecutive Director, Maryland Proton Treatment Center;
Professor and Isadore & Fannie Schneider Foxman Chair, Department of Radiation Oncology, University of Maryland School of Medicine

Dr. Regine is a leader in the field of radiation oncology and a recognized expert in the areas of GI and CNS malignancies. He has served as a principal investigator for multiple NCI-sponsored clinical trials. His research has defined new standards of care for patients. He is co-inventor of the “GammaPod,” the first treatment system dedicated to the stereotactic radiation of early stage breast cancer and is co-editor of “Principles and Practices of Stereotactic Radiosurgery,” the first comprehensive textbook of its kind.

To learn more about Dr. Regine, please watch the video below:

  • Special Interests: Base of skull/paranasal sinuses, Central nervous system (brain/spine), Esophagus, GI (anus/rectum/stomach/colon/liver/pancreas), Head and neck (non-paranasal sinuses), sarcoma
  • Medical Degree:  State University of New York Health and Science Center
  • Residency:  Thomas Jefferson University Hospital
  • Physician Fellowships:  Thomas Jefferson University Hospital and University of Florida, Radiation Oncology
  • Certification:  Radiation Oncology

dr robert c miller- maryland proton treatment centerProfessor of Radiation Oncology, University of Maryland School of Medicine

Dr. Miller, a nationally recognized radiation oncologist, joined MPTC in April 2019 following more than 25 years of practice experience at the Mayo Clinic where he was Vice Chair of Radiation Oncology for proton research in Rochester, Minnesota and Medical Director for Proton Therapy in Jacksonville, Florida.

He has conducted extensive clinical research on the use of compounds to mitigate the risk of normal tissue injury in patients undergoing radiation therapy. He is the founding Editor in Chief of ASTRO’s Advances in Radiation Oncology.  He treats patients with gastrointestinal cancers.

To learn more about Dr. Miller, please watch the video below:

  • Special Interests:  Gastrointestinal Cancers, Thoracic Cancers
  • Medical Degree:  University of Kentucky
  • Residency:  Mayo Clinic Rochester, Minnesota

Maryland Proton Treatment Center Medical Team Pradip-Amin-MDAssociate Professor of Radiation Oncology, University of Maryland School of Medicine

Dr. Amin brings nearly 40 years of experience to his research specializing in genitourinary cancers, prostate cancer, and brain tumors. He is particularly interested in improving outcomes for patients with recurrent or aggressive prostate cancer using multi-modal approaches.

  • Special Interests:  Genitourinary, Prostate, Brain Tumors
  • Medical Degree:  University of Bombay, India
  • Residency:  University of Maryland School of Medicine
  • Certification:  Radiation Oncology
Matthew J. Ferris, MD

Matthew J. Ferris, MD

Assistant Professor of Radiation Oncology, University of Maryland School of Medicine

Dr. Ferris’s primary practice locations include University of Maryland Upper Chesapeake Health, University of Maryland Medical Center, and the Maryland Proton Treatment Center. He has broad clinical interests that encompass treatment for most malignant and non-malignant tumors, and use of advanced radiation techniques.

  • Medical Degree:  University of Maryland School of Medicine
  • Residency:  Emory University
  • Certification:  Radiation Oncology

Maryland Proton Treatment Center Medical Team Adeel KaiserAssistant Professor of Radiation Oncology, University of Maryland School of Medicine
Co-Medical Director, Integrative Wellness

Dr. Kaiser comes to the Maryland Proton Treatment Center with experience in treating patients with breast, gastrointestinal and prostate cancers at Loma Linda University Medical Center in Loma Linda, California. Dr. Kaiser will see patients from Howard County at the Maryland Proton Treatment Center.

To learn more about Dr. Kaiser, please watch the video below:

  • 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

Maryland Proton Treatment Center Medical Team Young Kwok MDProfessor of Radiation Oncology, University of Maryland School of Medicine

Dr. Kwok specializes in using proton therapy to treat pediatric patients. His clinical specialties include brain tumors, skull base tumors, and genitourinary tumors, including prostate and bladder cancers.   He is an active researcher who serves as the principal investigator on several clinical trials.

  • Special Interests:  Lymphoma/leukemia/myeloma/bone marrow, Pediatric patients (with and without central nervous system cancers)
  • Medical Degree:  Albert Einstein College of Medicine
  • Residency:  University of Maryland Medical Center
  • Certification:  Radiation Oncology

Maryland Proton Treatment Center Sara McAvoy MD

Assistant Professor of Radiation Oncology, University of Maryland School of Medicine
Dr. McAvoy has several years of experience in practice and treats all sites of cancer. She has a special interest in women’s health and treating breast and gynecologic cancers. Dr. McAvoy also specializes in the treatment of brain and spine tumors as well as thoracic tumors. Her research focus has been on glioblastomas, thoracic radiation, reirradiation, and normal tissue toxicity.
  • Special Interests:  Breast, GYN, Thoracic, and CNS
  • Medical Degree:  University of Minnesota Medical School
  • Residency:  University of Texas M.D. Anderson Cancer Center
  • Certification:  Radiation Oncology

Maryland Proton Treatment Center Medical Team Mark Mishra MD

Associate Professor of Radiation Oncology, University of Maryland School of Medicine

Dr. Mishra is the Director of Radiation Oncology Clinical Research. He specializes in the management of patients with central nervous system, genitourinary, and breast tumors. His research focus at the University of Maryland has centered on comparative and cost-effectiveness studies on new and complex radiation therapy technologies. He has published more than fifty peer-reviewed journal articles and book chapters. He is an active member of ASTRO and the American College of Radiology. He is also a member of the Patient Centered Outcomes Research Institute (PCORI) Patient Engagement Advisory Panel.

  • Special Interests:  Central nervous system, genitourinary, and breast tumors
  • Medical Degree:  University of Cincinnati College of Medicine
  • Residency:  Thomas Jefferson University Hospital
  • Certification:  Radiation Oncology

Maryland Proton Treatment Center Medical Team Pranshu Mohindra MD

Associate Professor of Radiation Oncology, University of Maryland School of Medicine

Dr. Mohindra is a physician-scientist who treats patients with thoracic/lung and gynecologic cancers. His research includes efforts to find better ways to protect healthy tissue when using radiation therapy to destroy cancer cells.

  • Special Interests:  Gynecologic (vagina/cervix/endometrial), Thoracic (lung/mesothelioma/thymoma)
  • Medical Degree:  University of Mumbai, DR. D.Y. Patil Medical College
  • Residency:  Tata Memorial Center, University of Mumbai, India; University of Wisconsin
  • Physician Fellowships:  Princess Margaret Hospital, University of Toronto
  • Physician Research FellowshipsUniversity of Texas MD Anderson Cancer Center

Maryland Proton Treatment Center Medical Team Jason Molitoris MD PhDAssistant Professor of Radiation Oncology, University of Maryland School of Medicine

Dr. Molitoris’ areas of clinical interest include genitourinary (prostate), gastrointestinal, and hemato-lymphoid malignancies. He is focused on utilizing multiple advanced treatment technologies, including proton therapy and thermal therapy, both of which are offered at MPTC.

Dr. Molitoris is an active clinician and researcher in the Department of Radiation Oncology at the University of Maryland.

  • Special Interests:  Genitourinary (prostate/bladder/kidney/testicle), GI (anus/rectum/stomach/colon/liver/pancreas), Lymphoma/leukemia
  • Medical Degree:  Case Western Reserve University School of Medicine
  • Residency:  University of Maryland Medical Center
  • Certification:  Radiation Oncology

Maryland Proton Treatment Center Medical Team Elizabeth M Nichols MDAssociate Professor of Radiation Oncology, University of Maryland School of Medicine

Dr. Nichols’s clinical research focuses on breast and gynecologic cancers, but she is experienced in treating patients with a wide variety of cancers. She has helped to pioneer new treatment options for treating breast cancer that minimize damage to healthy tissue, including GammaPod, the first treatment system dedicated to the stereotactic radiation of early stage breast cancer. For her work, she was named as one of The Baltimore Sun’s 25 Women to Watch in 2019.

At the Maryland Proton Treatment Center, Dr. Nichols will see patients from Howard County who are in need of proton therapy.

To learn more about Dr. Nichols, please watch the video below:

  • Special Interests:  Breast cancer, Gynecologic cancers
  • Medical Degree:  University of Maryland Medical Center
  • Residency:  University of Maryland School of Medicine
  • Certification:  Radiation Oncology

Maryland Proton Treatment Center Medical Team James W Snider III MDAssistant Professor of Radiation Oncology, University of Maryland School of Medicine

Dr. Snider’s clinical research focuses center on Head and Neck Cancer, Sarcomas, Spinal Tumors, Pencil-Beam Scanning Proton Therapy, novel and advanced radiotherapy delivery techniques, and Hyperthermia/Thermoradiotherapy.

He received training in Proton Therapy at the world-renowned Paul Scherrer Institute Center for Proton Therapy in Villigen, Switzerland. Dr. Snider treats a wide variety of tumors and is an active clinical researcher in the Department of Radiation Oncology at the University of Maryland.

  • Special Interests:  Head and Neck Cancer, Sarcomas, Spinal Tumors, Pencil-Beam Scanning Proton Therapy, Novel Radiotherapy Techniques, and Hyperthermia/Thermoradiotherapy
  • Medical Degree:  Georgetown University School of Medicine
  • Residency:  University of Maryland Medical Center
  • Physician Fellowships:  Clinical/Research Fellowship in Pencil Beam Scanning Proton Therapy, Paul Scherrer Institute, Center for Proton Therapy
  • Certification:  Radiation Oncology

To learn more about Dr. Snider, please watch the video below:

Maryland Proton Treatment Center Medical Team Zeljko Vujaskovic MD PhDProfessor of Radiation Oncology, University of Maryland School of Medicine

Director, Division of Translational Radiation Sciences
Co-Director, Maryland Proton Alliance

Dr. Vujaskovic is a renowned researcher in radiation biology. He is particularly interested in finding new ways to treat and eradicate deadly cancers through unique treatments like thermal therapy, which applies heat to tumors in an effort to improve clinical outcomes.

At MPTC, he leads the Maryland Proton Alliance – an important research consortium that advances patient-centered care and precision medicine – and specializes in treating patients with prostate cancer.

  • Special Interests:  Genitourinary (prostate/bladder/kidney/testicle)
  • Medical Degree:  University of Zagreb Medical School, Croatia
  • Residency:  Military Medical Academy in Belgrade, Yugoslavia
  • Physician Fellowships:  University of Colorado Cancer Center, Medical Oncology; Colorado State University, Radiological Health Services
  • Certification:  Radiation Oncology

To learn more about Dr. Vujaskovic, watch the video below:

Nurse Practitioner,  University of Maryland Medical Center

  • Undergraduate Degree: Georgetown University School of Nursing – Nurse, Registered, 1994
  • Nursing Degree: University of Pennsylvania School of Nursing, 2000
  • Certification: American Nurses Credentialing Center – Acute Care Nurse Practitioner, 2015

Nurse Practitioner, University of Maryland Medical Center

Sarah is a nurse practitioner at both MPTC and UMMC. She has over 10 years of adult oncology experience, including clinical research. She has a special interest in improving outcomes for patients with breast and gynecologic cancers, using multi-modal treatment options. At MPTC and UMMC, Sarah cares for patients throughout their radiation therapy and beyond.

  • Undergraduate Degree: Delaware Technical & Community College- Associate’s Degree in Nursing, 2009;
    Drexel University- Bachelor of Science in Nursing, 2014.
  • Graduate Degree: University of Maryland School of Nursing- Doctor of Nursing Practice, 2019.
  • Certification: American Academy of Nurse Practitioners- Adult/Gerontology Primary Care Nurse Practitioner.

Nurse Practitioner, University of Maryland Medical Center

Katarina is a nurse practitioner at MPTC. She has over 16 years of oncology experience with pediatric and adult patients. Katarina has a special interest in pediatric cancer patients and survivors as well. Previously, she collaborated with multiple providers to create the Thriving After Cancer clinic in Washington DC for adult survivors of pediatric cancer. At the University of Maryland Katarina has worked in the Division of pediatric surgery and the Department of Radiation Oncology. At MPTC, Katarina cares for patients during and after their proton radiation treatment.

  • Undergraduate Degree: Lipscomb University – Biology, 2001; University of Maryland School of Nursing – Nursing, 2002
  • Nursing Degree: University of Maryland School of Nursing- Master of Science in Nursing, 2008
  • Certifications: American Academy of Nurse Practitioners, NP-C, Family Nurse Practitioner; Oncology Nursing Society, CPON, Certified Pediatric Oncology Nurse; American Heart Association, CPR-BLS Certified, PALS Certified

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