Practicing pediatrics for more than 42 years, William J. Mesibov, M.D. and his practice, Kidfixers, has been voted the Best Pediatric Practice on Long Island for two consecutive years, 2007 and 2008. Mesibov received a commendation from the Nassau County legislature for his dedication to the children of Nassau County and was named honoree of the Mid-Island YJCC’s 2007 fund raising campaign.

Aside from serving his own practice in Syosset, Dr. Mesibov has served as a teaching attending physician at Long Island Jewish Schneiders’ Children’s Hospital for over two decades. William Mesibov is also an Attending Pediatrician at the North Shore University Hospital in Manhasset. .

Since 1982, Dr. Mesibov has served as Vice President and Board Member of the Mid‑Island Y‑JCC. Mesibov is also a regular supporter of the United Jewish Appeal, the American Cancer Society, and the National Shrine of St. Jude.

Well known on Long Island, Mesibov writes a biweekly pediatric column for the Long Island Press called the Kidfixer. He has appeared on local TV many times for commentary on current health topics and as a panelist on news shows.

William Mesibov is the author of the book, “Where in the World Did You Hear That? A Pediatrician Separates Fact from Fiction.” Dr. Mesibov explores many popular pediatric myths in his book, giving practical advice to parents and caregivers.

Dr. Mesibov developed and holds a patent on an optical monitor called “This Side Up” a device designed to prevent Sudden Infant Death.