Autism Assessment in Ottawa, Ontario

Compare 35 listings for autism assessment in Ottawa, Ontario. Review available age groups, languages, settings and contact details, then confirm current services, fees and wait times with each provider.

A diagnostic assessment is the formal process of determining whether someone is autistic, usually involving interviews, questionnaires, and structured observation tools such as the ADOS-2. Assessments may be done by psychologists, developmental pediatricians, or specialized diagnostic teams. Wait times and costs vary widely between publicly funded and private options, so it helps to get on more than one list.

How to compare autism assessment in Ottawa

Compare age eligibility, referral rules, clinician credentials, report scope, fees and wait times. Listing details can change, so confirm fit, availability and costs directly before making a decision.

  • Which regulated professional makes the diagnosis, and what autism-assessment experience do they have?
  • What interviews, records, questionnaires and appointments are included in the assessment?
  • Will the written report meet the requirements of the program, school or workplace that needs it?
  • Is a referral required, and what are the full cost, funding options and estimated wait time?

If you searched for an “autism diagnostic clinic near me,” use this directory to compare diagnostic services near Ottawa by age group, referral requirements, regulated clinician, report format, accessibility, and current availability.

How to compare autism assessment clinics

An autism assessment or diagnostic evaluation can involve interviews, questionnaires, developmental history, and structured observation. The exact assessment process varies by clinic and by whether the patient is a child, youth, or adult. Ask what is included before joining a waitlist or paying a deposit.

  • Do you assess adults in my age group and with my communication or accessibility needs?
  • Is a physician referral required, and what are the current eligibility criteria?
  • Which regulated professional is responsible for the diagnosis and final report?
  • What records or informant interviews are requested, and what happens if childhood records are unavailable?
  • What is included in the quoted fee, and are feedback sessions or forms charged separately?
  • What is the current wait for intake and for the completed report?
  • Will the report include practical recommendations for accommodations and next steps?

Referral and diagnostic assessment pathways

Public diagnostic hubs and hospital services may require a referral form and apply their own eligibility rules. Private clinics may use direct intake, but families should still confirm who makes the diagnosis, which records are needed, what the written report includes, and whether the documentation fits the Ontario Autism Program or another service they plan to access.

Read the source-checked adult autism assessment guide for Ontario (last checked 2026-07-16), or browse related autism resources and services after a diagnosis.

Providers

  1. The Portia Learning Centre - ABA Therapy

    ABA therapy and behavioural health centre in Nepean, Ottawa, providing comprehensive, focused and small-group ABA, psychotherapy and psychological services for children with autism and developmental…

    Age groups
    preschool 3 5, school age 6 12
    Settings
    clinic, in home

    Phone: +1 613-221-9777

    Provider website

  2. MindSpa Mental Health Centre

    MindSpa Mental Health Centre is a psychotherapy and psychological assessment practice in Ottawa, Kanata, and Gloucester offering individual, couples, and child/teen psychotherapy, psychological…

    Age groups
    preschool 3 5, school age 6 12, teens 13 17, adults 18 plus
    Languages
    en, fr
    Settings
    clinic, telehealth
    Referral
    Not required according to listing — confirm with provider

    Phone: +1 613-592-1001

    Provider website

  3. Child In Mind

    Child in Mind is a multidisciplinary psychological services center in Ottawa offering individual therapy, parent support, psychological and learning assessments, and family therapy for children…

    Age groups
    school age 6 12, teens 13 17, adults 18 plus
    Languages
    en
    Settings
    clinic, telehealth

    Phone: +1 613-702-1688

    Provider website

  4. Gilmour Psychological Services

    Gilmour Psychological Services is a private psychology practice in Ottawa offering psychodiagnostic, ADHD, and neuropsychological assessments, as well as therapy and counselling across the lifespan…

    Age groups
    preschool 3 5, school age 6 12, teens 13 17, adults 18 plus, seniors 65 plus
    Languages
    en, fr
    Settings
    clinic, telehealth

    Phone: +1 613-230-4709

    Provider website

  5. Ottawa River Integrative Mental Health

    Ottawa River Integrative Mental Health is a psychology and psychotherapy practice offering evidence-based mental health services for anxiety, depression, trauma, and burnout. They provide in-person…

    Age groups
    school age 6 12, teens 13 17, adults 18 plus
    Languages
    en
    Settings
    clinic, telehealth

    Phone: +1 613-917-0437

    Provider website

  6. The PsychoEd Clinic

    The PsychoEd Clinic is a multidisciplinary assessment centre providing comprehensive ADHD, autism, and psychoeducational evaluations for children and adults. The clinic offers gold-standard…

    Age groups
    school age 6 12, teens 13 17, adults 18 plus
    Languages
    en
    Settings
    clinic, telehealth

    Phone: +1 437-886-6311

    Provider website

  7. Emerging Minds

    Interdisciplinary clinic in Ottawa providing diagnostic, psychological, and psychoeducational assessments, behaviour consultation, and special education services for children, adolescents, and adults…

    Age groups
    early intervention 0 3, preschool 3 5, school age 6 12, teens 13 17, adults 18 plus
    Settings
    clinic

    Phone: +1 613-728-3808

    Provider website

  8. Dr. Jenny Demark

    Child Solutions is a multidisciplinary practice in Ottawa offering psychological assessment, psychotherapy, ABA training and supervision, and behavioral consultation for children and youth with…

    Age groups
    preschool 3 5, school age 6 12, teens 13 17
    Languages
    en
    Settings
    clinic

    Phone: +1 613-222-5098

    Provider website

  9. Riverside Psych Assessment

    Riverside Psych Assessment is a clinic providing comprehensive psychological evaluations for children and youth through college age, offering individualized assessments to understand challenges and…

    Age groups
    school age 6 12, teens 13 17, adults 18 plus
    Languages
    en
    Settings
    clinic

    Phone: +1 343-322-7535

    Provider website

  10. The Portia Learning Centre - ABA Therapy

    The Portia Learning Centre provides personalized ABA therapy services for children with autism spectrum disorder, developmental delays, and behavioural challenges since 2006. Their approach is…

    Age groups
    preschool 3 5, school age 6 12, teens 13 17
    Languages
    en
    Settings
    clinic, in home, school

    Phone: +1 613-998-2511

    Provider website

  11. Maximum Potential - Family-centred ABA and SLP Services

    Maximum Potential provides autism assessments (screening and diagnosis) and evidence-based therapy services including ABA and speech-language pathology for children and teens with autism and…

    Age groups
    preschool 3 5, school age 6 12, teens 13 17
    Languages
    en
    Settings
    clinic, in home

    Phone: +1 613-801-4186

    Provider website

  12. ABC Pediatric Therapies

    Bilingual pediatric therapy clinic in Ottawa providing speech-language pathology and psychology services, including therapy for developmental delays, autism spectrum disorder, articulation, social…

    Age groups
    early intervention 0 3, preschool 3 5, school age 6 12, teens 13 17, adults 18 plus
    Languages
    en, fr
    Settings
    clinic

    Phone: +1 613-834-2229

    Provider website

  13. The Portia Learning Centre - ABA Therapy

    The Portia Learning Centre provides personalized ABA therapy for children with autism spectrum disorder, developmental delays, and behavioral challenges since 2006. Services include comprehensive and…

    Age groups
    early intervention 0 3, preschool 3 5, school age 6 12, teens 13 17
    Languages
    en
    Settings
    clinic, in home, school

    Phone: +1 613-591-9966

    Provider website

  14. Tamara Long, Speech Pathologist

    Tamara Long is a certified speech-language pathologist in Ottawa offering assessment and treatment for children, teens, and adults with speech sound disorders, language delays, stuttering, and accent…

    Age groups
    early intervention 0 3, preschool 3 5, school age 6 12, teens 13 17, adults 18 plus
    Languages
    en
    Settings
    clinic

    Phone: +1 613-241-0517

    Provider website

  15. A+ Communication - Speech and Language Therapy

    A+ Communication is a team of Ontario and Canada certified Speech-Language Pathologists and Communicative Disorders Assistants serving Ottawa, Leeds and Grenville, and Stormont Dundas and Glengarry…

    Age groups
    preschool 3 5, school age 6 12, teens 13 17, adults 18 plus
    Languages
    en
    Settings
    clinic, in home, school, community, telehealth

    Phone: +1 403-618-9986

    Provider website

  16. GenieUs Communication

    GenieUs Communication is a private speech-language pathology clinic in Ottawa offering in-person and virtual therapy in English, Russian, French, and Arabic. Services include assessment and play…

    Age groups
    early intervention 0 3, preschool 3 5, school age 6 12, teens 13 17, adults 18 plus
    Languages
    en, ru, fr, ar
    Settings
    clinic, telehealth

    Phone: +1 613-323-1150

    Provider website

  17. Ottawa Speech Language Therapy Services

    Speech-language pathology practice (CASLPO registered) offering assessment and intervention for language, speech, apraxia, auditory processing, stuttering, and developmental disabilities for children…

    Age groups
    preschool 3 5, school age 6 12, teens 13 17
    Settings
    clinic, telehealth

    Phone: +1 613-513-5764

    Provider website

  18. Speech, Voice & Language Clinic

    The Speech, Voice & Language Clinic is a private speech pathology practice in Ottawa serving the National Capital Region. They provide diagnostic, therapeutic, and educational services for…

    Age groups
    preschool 3 5, school age 6 12, teens 13 17, adults 18 plus, seniors 65 plus
    Languages
    en
    Settings
    clinic

    Phone: +1 613-820-4722

    Provider website

  19. M|Care Occupational Therapy & Rehabilitation

    M-CARE Occupational Therapy & Rehabilitation provides occupational therapy services for children, teens, adults, and older adults in Ottawa, Gatineau, Montreal, and surrounding regions. Services are…

    Age groups
    early intervention 0 3, preschool 3 5, school age 6 12, teens 13 17, adults 18 plus, seniors 65 plus
    Languages
    en, fr
    Settings
    clinic, in home, school, community

    Phone: +1 613-627-0654

    Provider website

  20. Ottawa Children's Treatment Centre

    Ottawa Children's Treatment Centre (CHEO) is a large pediatric hospital-based center offering multidisciplinary services for children with developmental disabilities, physical disabilities, hearing…

    Age groups
    early intervention 0 3, preschool 3 5, school age 6 12, teens 13 17
    Languages
    en, fr
    Settings
    clinic, in home, school
    Referral
    Required — confirm intake steps

    Phone: +1 613-737-0871

    Provider website

Plan your next steps in Canada

Use the guides to prepare questions and find the original sources for assessment and support pathways.

Funding and intake in Ontario

Before paying a deposit, ask for the clinician's name, referral steps, written fees and cancellation terms. If you plan to use Ontario Autism Program funding, check the current program guidance and ask which services and invoices meet its requirements. A directory listing does not establish funding eligibility.

Autism Assessment in nearby cities

Other autism services in Ottawa

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Funding & support programs in Ontario

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