Dr. Louis Avvento
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Dr. Louis Avvento

Locations:  Southampton Medical Oncology

Hospitals:  Peconic Bay Medical Center,  Eastern Long Island Hospital,  Southampton Hospital

Languages: English, Italian

Dr. Louis Avvento



Dr. Louis J. Avvento graduated from the University of Rome with a degree in medicine in 1981. During his residency, he chose to submerse himself into the oncology world because, at the time, treatments were limited and patient care was extremely challenging. He wanted to be a part of a healthcare revolution to change the lives of oncology patients for the better and has found it to be the most rewarding career he could have chosen.

After completing his fellowship in Hematology and Oncology at Stony Brook University, Dr. Avvento began a private practice in Riverhead as a solo practitioner with a nurse and receptionist – a staff of three. The practice eventually grew to a staff of forty-five oncology professionals. Dr. Avvento chose the East End of Long Island because in 1988, there were no other practices around. He created a more convenient and comfortable situation for patients.

Dr. Avvento is board certified in four specialties including Internal Medicine, Hematology and Hospice, Medical Oncology and Palliative Care. He currently serves as the Medical Director of East End Hospice in Westhampton, NY, is the Director of Palliative Care at Peconic Bay Medical Center in Riverhead, NY and a board member of Fighting Chance.

Through the years, Dr. Avvento has received multiple awards in recognition of his outstanding performance and achievements in the field. Accolades include: “Best Doctors on Long Island’ –Newsday, 2008; “Physician of the Year” –Peconic Bay Medical Center, 2005; “Best Doctors” –New York Magazine, 2004/2008; Castle Connolly Top Doctors: New York Metro Area – 2002 to 2008, 2010 to 2014; Patient’ Choice 5th Anniversary Award – 2012; Patients’ Choice Award – 2008 to 2012, 2014; and Compassionate Doctor Recognition – 2010 to 2012."


FACP    State University of New York at Stony Brook, North Port VA Medical Center
Residency    The Jamaica Hospital
Medical School    University of Rome
COLLEGE    New York University