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Brian R. McMahon, MD, FAAP: Dedicated Pediatrician Serving Staten Island

Dr. Brian R. McMahon is a dedicated Pediatrician with over 35 years of invaluable medical expertise, whose unwavering commitment to the well-being of his patients is evident in his exceptional care.

Christopher HayesAugust 16, 2026 6 min read
Brian R. McMahon, MD, FAAP: Dedicated Pediatrician Serving Staten Island

Dr. Brian R. McMahon is a dedicated Pediatrician with over 35 years of invaluable medical expertise, having commenced his distinguished career by establishing a private practice in May 1987. Dr. McMahon's unwavering commitment to the well-being of his patients is evident in his exceptional care. Situated at 125 Slosson Ave. in Staten Island, NY, Dr. McMahon specializes in providing comprehensive healthcare to patients under the age of 21.

As a Pediatrician, Dr. McMahon possesses a profound understanding of human development, catering to patients from infancy through childhood and into adolescence. His adeptness extends to meticulously assessing each patient's developmental stages and their corresponding growth milestones. Dr. McMahon not only excels in treating minor injuries and illnesses but also places significant emphasis on wellness visits, ensuring that his patients lead healthy lives from an early age.

Dr. McMahon's path to a fulfilling medical career was notably influenced by his father, a Chiropractor, who consistently encouraged him to embark on a journey in the medical profession. This formative guidance instilled in Dr. McMahon a profound sense of purpose, propelling him to achieve excellence in his field.

In addition to his private practice, Dr. McMahon is an esteemed staff member at Staten Island University Hospital, a renowned teaching hospital featuring an impressive 660 patient beds spread across two campuses. He is also an integral part of the dedicated medical team at Richmond University Medical Center, nestled in the heart of West New Brighton on Staten Island. This medical center boasts affiliations with the prestigious Icahn School of Medicine at Mount Sinai and the Mount Sinai Health System.

Dr. McMahon's illustrious academic journey encompassed the University of Angers in France, culminating in a comprehensive residency in Pediatrics at Richmond University Medical Center and St. Vincent's Catholic Medical Center - Staten Island. His commitment to delivering exceptional patient care is underscored by his recognition as a Fellow of the American Academy of Pediatrics (FAAP). Furthermore, Dr. McMahon's board certification in Pediatrics by the American Board of Pediatrics (ABP) signifies his unwavering dedication to adhering to the highest standards of medical practice and his commitment to lifelong education within his field.

Outside of his medical practice, Dr. McMahon is a prominent figure within the medical community, serving as the esteemed Chairman of the Department of Pediatrics at Richmond University Medical Center and holding the distinguished position of President of the Richmond County Medical Society. Dr. McMahon's contributions to the medical field have earned him notable recognition, including a prominent feature in IssueWire in 2021.

Dr. McMahon's dedication to his patients has not gone unnoticed, as underscored by the Patients' Choice Award and the Compassionate Doctor Recognition he received in both 2015 and 2016. Driven by his passion for medical practice and his unwavering commitment to the well-being of his patients, he envisions a future where retirement remains an afterthought.

Beyond his illustrious career, Dr. McMahon's interests encompass an active lifestyle, including workouts at the local YMCA, invigorating walks, refreshing swims, leisurely bicycle rides, and immersing himself in the enriching world of literature. Furthermore, his linguistic prowess extends to proficiency in English, Italian, and French, facilitating effective communication with a diverse range of patients.