Welcome to Ascent Clinical Services

Offering applied behaviour analysis (ABA) and mental health services to support individuals with autism and/or a developmental disability.

We are a group of experienced and dedicated clinicians who provide highly individualized services in clinic, home, community, or virtually. Our goal is to have you access the right services that work for you, in a timely manner.

Our services

  • Early Years Caregiver-Mediated

  • Applied Behaviour Analysis (ABA)

  • Mental Health Services

  • Coming Soon

Learn More

Meet our team

  • Melissa Lavallee

    Registered Behaviour Analyst

  • Lisa Giewercer

    Registered Behaviour Analyst

  • Joanne Ayotte

    ABA Program Consultant

  • Jordanna Guida

    Registered Social Worker

Read our bios

In-person and remote options

We provide in-person services in our Whitby clinic, and in home or with community organizations throughout north-east Toronto, York, and Durham Regions. Outside of our catchment area or prefer virtual services? We’ve got you covered with teletherapy.

Get started with

Ascent Clinical Services.