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Treatments & Services

Meet Our Genetic Counselors

Tifany Lewis, CGC

Certified Genetic Counselor, Manager

Tifany Lewis heads the Genetic Counseling team here at Virginia Oncology Associates. Tifany first considered a career in genetic counseling as a biology undergraduate at Virginia Polytechnic Institute. Shortly after obtaining her Bachelor of Science degree, Tifany completed the Graduate Program in Human Genetics at Sarah Lawrence College (SLC), Bronxville, New York. While at SLC, Tifany embarked on genetic counseling internships at renowned medical institutions, including New York-Presbyterian Hospital and New York Hospital Queens. 

Tifany’s professional career began as a Prenatal Genetic Counselor at Metropolitan Hospital Center in, New York, New York. In 2005, she relocated to Norfolk, Virginia, and continued her work in a prenatal capacity at Eastern Virginia Medical School. Tifany’s diverse experience led her to assume the position of Cancer Genetic Counselor at Virginia Oncology Associates in 2006.  Her important work helps patients navigate their way through complicated family histories and their risk for cancer.

Tifany’s professional interests include hereditary cancer syndromes and hemoglobinopathies. She is a member of the National Society of Genetic Counselors and board-certified by the American Board of Genetic Counseling.   

Tifany currently resides in Virginia Beach with her husband and two sons.  


Fitz Doyle, GC

Genetic Counselor

J. Fitzpatrick “Fitz” Doyle is the newest member of the genetic counseling team at Virginia Oncology Associates. Fitz first heard about the field of genetic counseling in high school, and after researching the field and shadowing genetic counselors in his hometown of Pittsburgh, PA, he knew it was the right fit for him. After completing his Bachelor of Science degree at George Mason University, where he studied biology, psychology, and music, Fitz trained as a genetic counselor at the Joan H. Marks Graduate Program in Human Genetics at Sarah Lawrence College in Bronxville, NY. While in New York, Fitz had clinical genetic counseling rotations at medical institutions such as Montefiore Medical Center and NYU Langone Health.

A graduate of 2019, Fitz began working as a cancer genetic counselor at Virginia Oncology Associates immediately after completing his training. He is passionate about helping families navigate through the difficulties surrounding a cancer diagnosis and complex family histories.

Fitz is a member of the National Society of Genetic Counselors and is board-certified by the American Board of Genetic Counseling. His professional interests include hereditary cancer predisposition syndromes, international perspectives of genetic counseling, and LGBTQ+ issues in genetic counseling.

Fitz lives in Norfolk, though he enjoys visiting friends in other cities and his family in Pittsburgh, including his parents, his two brothers, and their dog, Quinn.