Dr. Shamanthy Ratnasingam, MD

Dr. Shamanthy Ratnasingam is an internal medicine physician who specializes in hospital medicine, bringing a decade of clinical experience to patient care. She earned her medical degree from the Medical University of The Americas in Nevis, where she developed a strong foundation in comprehensive internal medicine practices. Her dual focus on internal medicine and hospital medicine allows her to provide both continuity care and acute inpatient management for adult patients.

Dr. Ratnasingam practices at multiple locations including Peconic Bay Medical Center in Riverhead, New York, and maintains affiliations with several respected healthcare institutions throughout New York including Wyckoff Heights Medical Center and Good Samaritan University Hospital. She focuses on managing high blood pressure conditions, including hypertensive emergencies that require immediate medical attention. Her clinical expertise includes ordering and interpreting essential diagnostic tests such as …comprehensive blood panels and complete blood counts to help monitor patient health and guide treatment decisions.