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Amanda June Walker, M.D.

Headshot of Amanda June Walker
  • Assistant Professor of Radiation Oncology and Molecular Radiation Sciences


Internal Medicine, Radiation Oncology

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Johns Hopkins Health Care and Surgery Center

Appointment Phone: 301-896-2012
6420 Rockledge Drive
Bethesda, MD 20817 map
Phone: 301-896-2012 | Fax: 301-896-6331

Sibley Memorial Hospital

Appointment Phone: 202-537-4788
5255 Loughboro Road NW
Johns Hopkins Kimmel Cancer Center
Washington, DC 20016 map
Phone: 202-537-4788 | Fax: 202-537-4964


Amanda Walker, MD, is a board-certified radiation oncologist with the Johns Hopkins Kimmel Cancer Center in the Greater Washington Area. She is an expert in the treatment of breast, gynecologic, and genitourinary cancer and is widely published in the field.  

Dr. Walker graduated summa cum laude from Indiana University and then earned her medical degree from Tufts University. She completed a preliminary year in Internal Medicine at the University of Chicago, followed by her residency training in radiation oncology at The Johns Hopkins Hospital.

She previously served as Adjunct Investigator in the Radiation Oncology Branch at the National Cancer Institute and as the Associate Director of Radiation Oncology for the US Food and Drug Administration. 

In addition to her clinical experience, Dr. Walker has an extensive background in both clinical and translational research. more


  • Assistant Professor of Radiation Oncology and Molecular Radiation Sciences

Departments / Divisions



  • MD; Tufts University School of Medicine (2010)


  • Radiation Oncology; Johns Hopkins University School of Medicine (2015)

Board Certifications

  • American Board of Radiology (Radiation Oncology) (2017)

Research & Publications

Selected Publications

S. Ahmad, M. Crittenden, P. Tran, P. Kleutz, G. Blumenthal, S. Hahn, T. Lawrence, A. Walker, R. Sharma. (co-corresponding authors). FDA-AACR-ASTRO Workshop Summary - Clinical Development of Novel Drug-Radiotherapy Combinations. Clinical Cancer Research. 2018; 25(5): 1455-1461.

A Walker, H. Kim. Special Considerations in Radiation Therapy Trials. In: Oncology Clinical Trials: Design, Conduct and Analysis. Ed. 2017

N. Nabavizadeh, L. Burt, B. Mancini, Z. Morris, A. Walker, S. Miller, S. Bhavsar, P. Mohindra, M. Kim, J. Kharofa. Results of the 2013-2015 Association of Residents in Radiation Oncology (ARRO) Survey of Chief Residents in the United States. Int J Radiat Oncol Biol Phys. 2016; 94(2): 228-234.

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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