Developmental Steps, LLC

Developmental Steps, LLC Pediatric Physical Therapy in Mt. Kisco and Port Chester, Ny Developmental Steps Pediatric Physical Therapy is the best in Westchester County!

Our creative, nurturing therapists offer solutions to developmental delays and gross motor delays. Developmental Steps, LLC is a Pediatric Therapy Center owned and managed by Joe Kiefer and Hayley Apiscopa, with TWO convenient locations, Mount Kisco, NY and Port Chester, NY. Developmental Steps offers physical therapy for children of all ages, ranging from newborn to school age. We provide comprehensive assessments followed by individualized treatments designed to meet your child’s unique needs in order to promote active participation at home, in school, and in the community. 

Come sign up for our Mommy and Me classes located at our Mt. Kisco location where our kiddos and moms get a chance to in...
01/08/2026

Come sign up for our Mommy and Me classes located at our Mt. Kisco location where our kiddos and moms get a chance to interact together.

We love the special relationships we build with parents and kids!
12/29/2025

We love the special relationships we build with parents and kids!

12/24/2025

Spreading the holiday spirit at Developmental Steps!! ⛄️🎄

The best gift we could get this holiday season is happy parents! 🎁
12/22/2025

The best gift we could get this holiday season is happy parents! 🎁

12/22/2025
Another Happy Parent!! ☃️
12/15/2025

Another Happy Parent!! ☃️

11/26/2025

Happy Thanksgiving from our Devstep kiddos!! Our kids are very thankful this holiday 🦃

We love when parents trust us with all of their children!!
11/12/2025

We love when parents trust us with all of their children!!

Why we do what we do!
11/05/2025

Why we do what we do!

Happy Halloween from us to you, with a great big Booooooo!!!! Developmental Steps 2025!
10/30/2025

Happy Halloween from us to you, with a great big Booooooo!!!! Developmental Steps 2025!

Happy Halloween from our Minion crew in MK and our little boos! 👻🎃
10/29/2025

Happy Halloween from our Minion crew in MK and our little boos! 👻🎃

Address

185 Kisco Avenue, Suite 201, Mount Kisco, NY 10549 And 388 Westchester Ave Suite 1A-1B Port Chester, NY 10573
Port Chester, NY
10573

Opening Hours

Monday 9am - 7pm
Tuesday 9am - 7pm
Wednesday 9am - 7pm
Thursday 9am - 7pm
Friday 9am - 7pm

Telephone

+19149396400

Website

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Our Story

Developmental Steps Pediatric Therapy is here to help advance your child’s development. We offer solutions to developmental delays and gross motor delays. Developmental Steps, LLC is a Pediatric Therapy Center owned and managed by licensed physical therapist Joe Kiefer. We have TWO convenient locations, Mount Kisco, NY and Port Chester, NY. If your child is challenged by any developmental or physical issues, or needs sports specific strengthening and training we can help! We offer a broad variety of pediatric therapy solutions to get your child the assistance they need. Our highly trained staff offers compassion to both you and your child during the time you will spend with us. We treat every child receiving pediatric therapy with us as if they were our own children.