Southampton Pediatrics: Meet our Doctors


Photograph of Barbara J. Cusumano, MD, FAAP Barbara J. Cusumano, MD, FAAP earned her MD at Chicago Medical School. She completed her internship and residency in Pediatrics at New York Hospital/Cornell Medical Center. She is Board Certified in Pediatrics. She has been with Southampton Pediatrics since 1987. In addition to caring for her pediatric patients she enjoys tennis, cycling, hiking, reading and travel.
Photograph of Robert Gottlieb, MD, FAAP Robert Gottlieb, MD, FAAP affectionately called Doctor Bob, graduated New York University Medical School in 1978. Afterwards he spent the next twelve years at Bellevue Hospital completing his Pediatric residency, fellowship and then resident teaching duties. He joined Southampton Pediatrics in 1990 and became the third partner. He enjoys infusing humor into his patient visits. He is an avid gardener and loves completing school and camp forms.
Photograph of Alexandra Halitsky, MD, FAAP Alexandra Halitsky, MD, FAAP
Photograph of Joseph B. Quinn, MD, FAAP Joseph B. Quinn, MD, FAAP received his undergraduate degree from Dartmouth college and his medical degree from the University of Vermont College of Medicine. He did his internship in pediatrics at the University of Maryland Hospital in Baltimore and his residency at New York Hospital Cornell in New York City. He has worked in this practice since 1985. Special interests include infectious disease, sports injuries and attention deficit disorder. Outside interests include biking, kayaking and skiing.