Radiation Oncologist


Staff Members

Dr. Deborah A. Markiewicz, M.D.

Radiation Oncologist

Deborah A. Markiewicz, M.D. is a board certified radiation oncologist. She graduated from Northwestern University Medical School in Chicago, Illinois in 1986 and completed her residency training and fellowship at the University of Pennsylvania in Philadelphia, Pennsylvania. Dr. Markiewicz’s areas of special interest are breast cancer[...]

    Dr. William Ding, M.D.

    Radiation Oncologist

    Dr. William Ding, M.D., graduated from Drexel University College of Medicine in 2007. He completed a residency in Radiation Oncology from California Pacific Medical Center in 2012. Dr. Ding is skilled in external-beam radiation therapy, stereotactic radiosurgery, brachytherapy and intraoperative radiation therapy. […]

      Dr. Stephen A. Arrigo, M.D.

      Radiation Oncologist

      Stephen A. Arrigo, M.D., graduated Summa Cum Laude with an undergraduate degree in Biology from the University of Rochester in 1969 and then attended New York University’s School of Medicine. After graduating with honors from medical school in 1973 with AOA honors, […]

        Dr. Rachelle M. Lanciano, M.D.

        Radiation Oncologist

        Rachelle M. Lanciano, M.D. is the Chief of Radiation Oncology at Delaware County Memorial Hospital. She received her medical degree from the Medical College of Pennsylvania and completed her residency in Radiation Oncology at the Hospital of the University of Pennsylvania.[…]

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