Our Providers

All Chestnut Ridge Pediatrics providers are Board Certified and licensed in New Jersey.

We encourage new parents and prospective patients to call our office at 201.391.2020 or contact us through our webform. We will help you schedule a complimentary visit to find out where we are and provide an opportunity to meet us.

Stacey Rosenzweig, M.D. FAAP

Dr. Stacey Rosenzweig joined Chestnut Ridge Pediatrics in 1998. A native of Rockland County, Dr. Rosenzweig attended Cornell University and Yale University School of

Larissa Pilmar, M.D. FAAP

Larissa Pilmar joined Chestnut Ridge Pediatrics in 2017. She was born and raised in Irvington, NY. She graduated from New York University cum laude

Mark Mandel, M.D. FAAP

Mark Mandel MD, FAAP joined the staff of Chestnut Ridge Pediatric Associates in 1989. He was born in Bayside, New York, and graduated with

Michelle Mayer, M.D. FAAP

Michelle Mayer joined Chestnut Ridge Pediatrics in 2004. She received her B.S. from Binghamton University and her M.D. from SUNY Downstate. She completed her

Sarah Lupu, M.D. FAAP

Dr Lupu joined Chestnut Ridge Pediatrics in 2016. She graduated Cum Laude from Brandeis University and received her MD from Rutgers-Robert Wood Johnson Medical