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. 

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!

10/30/2025
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! 👻🎃

10/29/2025

Halloween 25 MK

We love happy parents!
10/29/2025

We love happy parents!

Pj day was so much fun! And to end PT week, tomorrow is “sock day”. Wear your favorite or craziest pair of sock when you...
10/22/2025

Pj day was so much fun! And to end PT week, tomorrow is “sock day”. Wear your favorite or craziest pair of sock when you come see us.

So thankful for the reviews from happy parents!
10/22/2025

So thankful for the reviews from happy parents!

Today was Disney day for PT week! Tomorrow, 10/22 is wear your favorite pjs to your appointment!
10/21/2025

Today was Disney day for PT week! Tomorrow, 10/22 is wear your favorite pjs to your appointment!

Celebrate our AMAZING PTs for PT Month- Everyday this week is a different theme. Dress your kids to celebrate! 🎉
10/20/2025

Celebrate our AMAZING PTs for PT Month- Everyday this week is a different theme. Dress your kids to celebrate! 🎉

October is PT Month! We’re celebrating our PT’s in a fun way! Check out the flyer to see what fun event is on your sessi...
10/17/2025

October is PT Month! We’re celebrating our PT’s in a fun way! Check out the flyer to see what fun event is on your session day!

10/14/2025

Come join us tomorrow for our Mommy & Me class! Spots are limited so call us to sign up! 914-864-0855
This class is designed for 12-18 month olds, packed with tunnels, climbing, bubbles and more!

Bring your babies tomorrow morning! Free Tummy Time class is back!
10/06/2025

Bring your babies tomorrow morning! Free Tummy Time class is back!

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.