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Radiation Oncology

Medical Physicists

A medical physicist is a member of the radiation oncology team who is responsible for assuring the safe and effective delivery of radiation that will achieve the result prescribed by your radiation oncologist for your care.

These responsibilities include:

  • Protection of the patient and others from potentially harmful or excessive radiation
  • Establishment of adequate protocols to ensure accurate patient dose delivery
  • Measurement and characterization of radiation
  • Determination of the delivered dose
  • Development and direction of quality assurance programs
  • Assistance of other healthcare professionals in optimizing the balance between the beneficial and negative effects of radiation.

All the physicists at St. Joseph Hospital are certified by the American Board of Radiology (ABR).


Jim Zheng Du, M.S., M.B.A.


Genevieve Wu, Ph.D.

Education
2011, M.B.A., University of Chicago, Chicago, IL
1993, M.S., University of Chicago, Chicago, IL
1991, B.S., Lock Haven University of Pennsylvania, Lock Haven, Pennsylvania

Certification
American Board of Radiology, 1998

Education
2006, Ph.D., University of California, Los Angeles, Los Angeles, CA
1994, M.S., Purdue University, W. Lafayette, IN
1982, B.S., Shandong University, China

Certification
American Board of Radiology, 1999


Yunping Zhu, Ph.D., F.A.A.P.M.

Education
1989, Fellowship, MD Anderson Cancer Center, Houston, TX
1987, Ph.D., Rice University, Houston, TX
1985, M.S., Rice University, Houston, TX
1982, B.S., Shandong University, Shandong, China

Certification
American Board of Radiology, 1991