Amy J Irwin, MD

VCS Physicians

Amy J Irwin, MD Headshot

Now more than ever, there is reason to be hopeful as we treat our patients’ cancer. Our ability to use, in novel ways "old medicines" and the ever-expanding frontier of new cancer treatments - equip Virginia Cancer Specialists with the tools we need to fight for and alongside our patients.

Primary Location:

Loudoun Office

Medical Oncologist

Board Certification

Medical Oncology


Georgetown University Hospital, Medical Oncology and Hematology


University of Pennsylvania

Medical School

Georgetown University School of Medicine


Haverford College

Dr. Irwin’s commitment to caring for and treating oncology and hematology patients led her to join the Loudoun Office of Virginia Cancer Specialists in 2008. She is a member of the American Society of Clinical Oncology and is a national clinical trials researcher. Dr. Irwin regularly lectures in the community for Life With Cancer, has educated the public on clinical trials for the Leukemia and Lymphoma Society, and has given multiple physician Grand Rounds at INOVA Loudoun Hospital to educate her peers on current oncology and hematology cases and developments.

A recognized expert in the fight against breast cancer, Dr. Irwin is part of the national U.S. Oncology Breast Cancer Research Committee, has been interviewed as a breast cancer specialist on television and in magazines, and is repeatedly called on to speak at charity events for breast cancer awareness and prevention.

Awarded multiple commendations for outstanding patient care, Dr. Irwin has a long-standing commitment to providing the best outcomes for her patients. She completed her Internal Medicine residency at the Hospital of the University of Pennsylvania in 2005, where she was awarded the University of Pennsylvania’s Holmes Award in Patient Oriented Evaluative Research. Dr. Irwin went on to complete her Hematology/Oncology fellowship after returning to Georgetown University Hospital’s Lombardi Cancer Center. Her research and clinical focus during fellowship was in breast cancer and she completed a Bone Marrow Transplant rotation at the National Cancer Institute in Bethesda, Maryland.


Practice Blog

May 22, 2018

Virginia Cancer Specialists Collaborating with Caris Life Sciences to Present New Molecular Findings at the 2018 ASCO Annual Meeting

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March 15, 2018

New clinical data for chemotherapy drug administered in metastatic breast cancer co-presented by Dr. Amy Irwin of Virginia Cancer Specialists

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Physician Publications

October 14, 2019

Phase II Study of Eribulin Mesylate Administered Biweekly in Patients With Human Epidermal Growth Factor Receptor-2–negative Metastatic Breast Cancer

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Primary Location

Loudoun Office Office

Loudoun Office

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Other Locations


January 1, 2020

2020 Virginia Living Top Doctors

January 1, 2019

Northern Virginia Magazine Top Doctor 2019

January 1, 2018

2018 Washingtonian Magazine Top Doctor Nomination

January 1, 2018
Virginia Living Magazine Top Doctors 2018

Top Doctors Virginia Living Magazine 2018

January 1, 2018
Northern Virginia Magazine Top Doctors 2018

Northern Virginia Magazine Top Doctors 2018

September 9, 2016
Washingtonian Magazine

Washingtonian Top Doctor 2016

March 31, 2013
Washington Post Magazine

Rising Star 2013