Have an emergency? Don’t wait – Call 911! Poison Control 800.222.1222

Dr. Mark Mandel

Dr. Michelle Mayer

Dr. Sarah Lupu

Dr. Larissa Pilmar

Dr. Stacey Rosenzweig

Demi Piekarsky PNP

Illustration of a large green leafy tree on a hill with a child swinging on a rope swing.

About
Chestnut Ridge Pediatrics​

Chestnut Ridge Pediatric Associates is committed to providing comprehensive medical care for children from birth to age 23. Our physicians work with patients and families as partners in health. Our board certified pediatricians have served Bergen and Rockland Counties and the Pascack Valley area for over 40 years and are on staff at Valley Hospital in Ridgewood, NJ.

Our office is open evenings and weekends and our 24-hour on call service provides easy access to our physicians.

Our Patient Testimonials

We Are Excited 

to See You!

We welcome the opportunity to become an integral partner in the care and development of your family! If you’d like to schedule a meet and greet, feel free to call the office and set up a convenient time.

Overhead view of a child's hands coloring a drawing of a house, tree, and rainbow with colored pencils.
A smiling young girl holding a large blue watering can on her shoulder and carrying a potted green plant.

Get Access to
My Kids Chart

Once you register for the Portal you will have access to a lot of information about your child. Immunizations, school and camp forms, non-urgent messages, and more will be available for you to download at home at your convenience.

For New & Existing Patients

Four children from behind wearing 2D cartoon backpacks draw on a wall below the BCD Health Partners logo.

Our office is now a member of the BCD Health Partners.  Learn about this exciting consortium of physicians. This collaboration has given us better access to resources and technology. In addition, it has helped us achieve our certification as a Patient Centered Medical Home.