Who We Are

Matthew S.  Katz, MD  is a radiation oncologist practicing medicine in New Hampshire with Radiation Oncology Associates, PA .  He earned his BA in History at Northwestern University and received his medical degree at the University of Massachusetts.  After completing residency at Memorial Sloan-Kettering Cancer Center, he was on staff at the Massachusetts General Hospital 2003-2004 and remains involved in clinical research and teaching. 

Paul L. Nguyen, MD is a resident in the Harvard Radiation Oncology Program.  He earned his BA in Philosophy at Harvard University and his MD at Harvard Medical School. 

Anthony L. Zietman, MD  is a radiation oncologist with expertise in prostate cancer, bladder cancer and other genitourinary malignancies at the Massachusetts General Hospital.  He is a Professor at Harvard Medical School and currently serves as the Education Chair for ASTRO, the world’s largest organization devoted to radiation oncology.

Andrzej Niemierko, PhD is an Associate Professor of Radiation Oncology and Biophysics at Massachusetts General Hospital.  He currently serves as the Director of the Division of Biomathematics, Biostatistics and Bioinformatics at Harvard University.

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