Meet Our Staff

Radiation oncology is a highly specialized medical field, and we believe you should be able to get the best quality cancer care in New Hampshire, Massachusetts or Maine close to home.

Our doctors are all board certified and are committed to offering quality community-based cancer care. We believe in working collaboratively with you and your health care team to make radiation treatment as convenient and supportive as possible.

Jeffrey Brower, MD, PhD
Stephen Harris, MD
Howard Hsu, MD
Klaudia Hunter, MD
Radiation Oncology Massachusetts Matthew S. Katz, MD
Brian R Knab | Radiation Oncology Massachusetts  Brian R. Knab, MD
Jeffrey Lemons, MD, MS
Arul Mahadevan Arul Mahadevan MD
Andrea B McKee | New Hampshire Radiation Oncology Andrea B. McKee, MD
Su Metcalfe, MD, MPH 
Asa J Nixon | Radiation Oncology Treatment New Hampshire & Maine Asa J. Nixon, MD, MPH
Ping Zhou | Radiation Oncology New Hampshire William O’Meara, MD
Ping Zhou | Radiation Oncology New Hampshire Etin-Osa Osa, MD
Vivek Patel, MD, PhD
Bryan Rowe Bryan Rowe Bryan Rowe, MD
Thomas A Sheldon | Radiation Treatment New Hampshire & Maine Thomas A. Sheldon, MD
H Andy Singh | Maine Radiation Treatment H. Andy Singh, MD
Ping Zhou | Radiation Oncology New Hampshire Amanda Walker, MD
Ping Zhou | Radiation Oncology New Hampshire Ping Zhou, MD, PhD




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Lahey Clinic - Burlington, MA Concord Hospital - Concord, NH Wentworth-Douglass Hospital - Dover, NH Elliot Regional Cancer Center - Londonderry, NH Lowell General Hospital Cancer Center - Lowell, MA Elliot Regional Cancer Center - Manchester, NH Radiation Center of Greater Nashua - Nashua, NH