Meet The Team

The Dedicated People Who Make It Work

The technology at the Sibley Cancer Center in Washington DC is extraordinary and extraordinarily complex. The center’s board-certified radiation oncologists come from university hospitals and are experts in the field. Our PhD and MS physicists and dosimetrists, nurses, radiation technologists and support staff are at Sibley because of their experience and extraordinary qualifications.

Physicists. Sibley’s PhD and MS physicists, senior dosimetrists, nurses, radiation technologists and support staff are here because of their experience and extraordinary qualifications.

• Nicholas A. Detorie III, PhD, Chief Medical Physicist
• Zhenyu Shou, PhD, Medical Physicist
• Jordie Keck, MS, Medical Physicist
• Arcelia Alexander, CMD,  Medical Dosimetrist
• Paul A. Ruczynski, Medical Dosimetrist
• Patricia E. Walters, CMD, Senior Medical Dosimetrist

Director Of Oncology Services
Sheila Evans, RN, MSN, AOCN

Palliative Care
(content to come)

Social Work Services
Beth Batdorf, LISCW

Nursing

Nancy Cressy, RN, CNOR, Radiation Oncology Nurse 

Lynne Kilday, RN,  Radiation Oncology Nurse 

Administration
John Arbogast

Clinical Trials
(content to come)

Learn More About The Radiation Oncologists.

Irene Gage, MD
Chair, Radiation Oncology
Dr. Gage played a pivotal role in establishing The Sibley Center for Breast Health. Dr. Gage consulted with the Joint Center for Radiation Therapy at Beth Israel Hospital and the Dana Farber Institute, both at the Harvard University Medical School, where she was also an instructor and research fellow in radiation oncology. Dr. Gage is an assistant professor at Johns Hopkins University School of Medicine. She has published numerous papers in peer-reviewed journals and is often a speaker at national and international conferences. (more)

• MD: Boston University School of Medicine, Boston, MA
• Internship: Framington Union Hospital, Framington, MA
• Residency: Tufts New England Medical Center, Boston, MA
• Fellowship: Breast Cancer, Harvard Medical School, Boston, MA

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Gregory S. Sibley, MD
Chair, Sibley Cancer Committee
As Chair of the Cancer Committee, Dr. Sibley coordinates the hospital’s oncology services to help ensure that the program meets the criteria as a Community Hospital Comprehensive Cancer Program approved by the Commission on Cancer of the American College of Surgeons. Dr. Sibley was on the faculty at Duke University Medical Center, where he distinguished himself with research and publications in professional journals on treatment of prostate, lung, breast and other malignancies. Dr. Sibley has a particular expertise in computerized treatment planning and brachytherapy. (more)

• MD, University of Michigan School of Medicine, Ann Arbor, MI
• Internship, St. Joseph Mercy Hospital, Ann Arbor, MI
• Residency, University of Chicago, Chicago, IL
• Fellowship, American Society for Therapeutic Radiology and Oncology Research, University of Chicago, Chicago, IL

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Smitha V. Gollamudi, MD
Radiation Oncologist
Dr. Gollamudi was trained at the Joint Center for Radiation Therapy of Harvard Medical School and then joined the faculty of Memorial Sloan Kettering Cancer Center. She was recruited to Monmouth Medical Center in New Jersey where she developed the stereotactic radiosurgery and IMRT programs and was chair of the radiation oncology department. Dr. Gollamudi has experience in treating a range of malignancies and has special expertise in tumors of the breast, lymphoma and gynecologic cancers. She has published in peer-reveiwed journals and has been an invited speaker and member of professional boards.  (more)

• MD, Brown University Medical School, Providence, RI
• Residency, Joint Center for Radiation Therapy, Harvard Medical School, Boston, MA
• Clinical Assistant Attending , Memorial Sloan Kettering Cancer Center, New York, NY

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Drs. Gage, Sibley and Gollamudi collaborate with their peers in surgery, medical oncology, pathology, pain medicine, radiology and other specialties as appropriate to deliver the best care possible.