Renowned breast surgeon Theodore N. Tsangaris, MD, MBA, FACS has joined CalvertHealth as Chief Medical Officer and Program Director, Cancer Center. For the last six years, he has served as Chief of Breast Surgery at Sidney Kimmel Medical College and Surgical Director of Jefferson Breast Cancer Center in Philadelphia, a national center noted for its work on the forefront of breast cancer research and treatment.

He has more than 30 years of clinical expertise in oncology, including leadership roles at Johns Hopkins University Hospital, Yale School of Medicine, George Washington University Medical Center and Georgetown University Medical Center. The hallmark of his extensive career is his commitment to clinical excellence and outstanding patient care.

He is a highly sought-after speaker, lecturer and consultant on breast cancer. Specializing in nipple-sparing mastectomy, Dr. Tsangaris has co-authored more than 50 major peer-reviewed research articles on breast cancer biopsy, diagnosis and treatment, and is an author of the National Comprehensive Cancer Network Clinical Practice Guidelines in Oncology: Breast Cancer Screening and Diagnosis.

He is a graduate of the George Washington University School of Medicine and completed his surgical residency at George Washington University Medical Center and a fellowship in surgical oncology of the breast at the Baylor University Medical Center. In 2017, he earned an MBA from the Darden School of Business at the University of Virginia.

Before arriving at The Johns Hopkins Hospital in 2002, Dr. Tsangaris served as Associate Chief of Breast Surgery, Director of Breast Center, at Roswell Park Cancer Institute from 1990-1992. He was Chief of Breast Surgery, Director of Breast Center at George Washington University Medical Center from 1993-1997 and Georgetown University Medical Center from 1997-2002. For 10 years, he was Director of the Johns Hopkins Avon Foundation Breast Center and Chief of Breast Surgery at Johns Hopkins University Hospital.