How do I get diagnosed with ADHD in Ontario?

There are four main routes: your family doctor or nurse practitioner (covered by OHIP), an OHIP-covered psychiatrist by referral, a private nurse practitioner clinic, or a private registered psychologist. Private routes do not need a referral and are not covered by OHIP.

How much does an ADHD assessment cost in Ontario?

Assessment by a family doctor, primary care nurse practitioner, or psychiatrist is covered by OHIP. Private nurse practitioner clinic fees vary by clinic and are usually lower than a psychological assessment. A private psychologist assessment for ADHD usually costs about $2,000 to $3,500. Student and workplace health plans often cover part of private fees.

Can a nurse practitioner diagnose ADHD in Ontario?

Yes. Nurse practitioners in Ontario can assess, diagnose, and treat ADHD. NPs who have completed the controlled substances education required by the College of Nurses of Ontario can prescribe stimulant medication. Not every NP offers ADHD assessment, so ask first.

What does an NP-led ADHD assessment include?

A comprehensive clinical assessment looks at symptoms in daily life and across life stages since childhood, in more than one setting, along with physical and mental health, sleep, medications, and substance use. It usually includes questionnaires and input from someone who knows you. A positive screening result alone is not a diagnosis.

Can a family doctor diagnose ADHD in Ontario?

Yes. A family physician or nurse practitioner with appropriate training can diagnose ADHD and start medication. Not every provider is comfortable doing this, so ask directly what they can manage or whether they can refer you.

Do I need a referral for an ADHD assessment in Ontario?

You need a referral for an OHIP-covered psychiatrist. You do not need a referral for a private nurse practitioner clinic or a private registered psychologist.

How do I get academic accommodations for ADHD at an Ontario university?

Contact your school's Accessibility Services office and ask what documentation they accept. For ADHD, many schools accept a form from a physician or nurse practitioner. A full psychoeducational assessment is usually only needed for learning disabilities. Register with the office and share your accommodation letters with instructors each term.

Can I get an ADHD assessment through my university campus health centre?

Often, yes. Many Ontario campus health clinics have family physicians or nurse practitioners who can assess ADHD, and some have psychiatrists on staff or contracted services. Internal referrals are often faster than outside hospital programs.

What should I bring to my ADHD assessment?

Concrete examples of where you struggle at school, work, or home, a list of your medications, any past assessments, and old report cards if you have them. Your clinician may ask someone who knew you as a child to fill out a short form. You do not need clinical terms.

Is the WHO ASRS self-screener a diagnosis?

No. The six-question WHO Adult ADHD Self-Report Scale is a screening tool. Four or more answers in the shaded zone suggests further assessment, but many people who screen positive learn through a full assessment that another condition better explains their symptoms.

Does OHIP cover ADHD medication in Ontario?

Common ADHD medications are covered for eligible people through OHIP+ (24 and under without a private plan), the Ontario Drug Benefit (including people 65 and over and people receiving social assistance), and the Trillium Drug Program for high drug costs relative to income.

How can newcomers to Canada get an ADHD assessment in Ontario?

With OHIP, start with a family doctor, nurse practitioner, or walk in clinic. Without OHIP, many Community Health Centres serve uninsured residents. Settlement workers, Settlement.Org, and 211 can help you find services.

What are the first-line medications for adult ADHD in Canada?

Canadian ADHD Practice Guidelines (CADDRA) recommend long-acting stimulants as a first-line option for most adults. A prescriber will adjust the dose over follow-up visits that check benefits, side effects, and changes in your health or other medications.

What kind of therapy works for adult ADHD?

Cognitive behavioural therapy adapted for ADHD has the strongest evidence for adults. Coaching and skills-based supports can also help build daily routines.

Free Resource · Ontario, Canada

Find your way through ADHD in Ontario.

A free, accurate, plain language guide to ADHD diagnosis, accommodations, and support. Built for university students, newcomer families, and anyone trying to figure out what to do next.

Start here, find your path Learn About ADHD

Not medical advice. This site is an educational resource. Always consult a regulated health professional for diagnosis and treatment.

Ways to get assessed in Ontario

Through a family doctor, NP, or psychiatrist on OHIP

No referral

Needed for a private NP clinic or psychologist

Abstract illustration evoking clarity and navigation in warm teal and cream tones

Start here

Who are you looking for help as?

Jump to the section that fits your situation.

Student

Documentation and accommodations at Ontario schools.

Take me there

Adult seeking diagnosis

How to get assessed, what to bring, what treatment looks like.

Take me there

Newcomer family

OHIP, referrals, school supports, and interpreters.

Take me there

I need help now

Free, confidential crisis lines available 24/7.

Take me there

Understanding ADHD

What is ADHD, really?

ADHD (Attention Deficit Hyperactivity Disorder) is a neurodevelopmental condition that affects how the brain regulates attention, impulse control, and activity level. Epidemiologic studies suggest it affects roughly 5 to 7% of children and 4 to 6% of adults.

The three presentations

Inattentive: Difficulty sustaining focus, organisation, and follow through. Easily distracted, forgetful in daily activities.

Hyperactive impulsive: Fidgeting, difficulty staying seated, excessive talking, impulsive decisions, interrupting others.

Combined: Meets criteria for both. Presentation can change over a lifetime.

Common co-occurring conditions

Most people with ADHD have at least one other condition, such as anxiety, depression, a learning disability, or a sleep problem. Some of these can also look like ADHD. A full assessment sorts this out, which matters for treatment.

It is a recognised medical condition

ADHD is a recognised diagnosis in the DSM-5-TR and the World Health Organization's ICD-11. A diagnosis can open access to accommodations, treatment, and supports.

How clinicians actually diagnose it

Under current DSM-5-TR criteria, several symptoms must be present before age 12, persist for at least six months, occur in two or more settings (for example home and school), and cause clear impairment in day to day functioning at school, work, or home.

ADHD is a lifelong neurodevelopmental condition. Many people are first diagnosed in adolescence or adulthood, particularly women and people from communities where ADHD has historically been under-recognised.

What causes ADHD

ADHD is not caused by parenting style, laziness, diet, or screen time. Family and twin studies show a strong genetic contribution, and research points to differences in fronto-striatal brain networks and in the regulation of dopamine and norepinephrine. These systems support executive functions such as planning, working memory, and sustained attention.

Common myths vs. facts

MYTH

"ADHD only affects children. You grow out of it."

FACT

ADHD persists into adulthood in the majority of cases. Many adults are diagnosed for the first time in university or later in life.

MYTH

"People with ADHD can focus on things they enjoy, so they cannot really have ADHD."

FACT

ADHD affects interest based attention regulation. Hyperfocus on engaging tasks is a recognised feature, not evidence against the diagnosis.

MYTH

"ADHD is more common in boys. Girls do not have it."

FACT

Girls and women are significantly underdiagnosed. They more often present with inattentive symptoms that are less visible but equally impairing.

60 second quiz

Find my path

Four quick questions. Get a suggested assessment path, what it costs, and what to bring.

Do you have OHIP coverage?

This quiz is a guide, not medical advice. Final decisions should always involve a healthcare professional.

Diagnosis in Ontario

Four ways to get assessed

Each route can lead to a diagnosis. They differ in cost, wait, and what you get at the end.

Family doctor or NP

Your own primary care provider. Some can assess and treat ADHD directly. Others will refer you on.

Best for starting free, if you have a provider.

$0 with OHIPNo referral

No family doctor? Some Waterloo Region walk in clinics assess adult ADHD. Call ahead and ask.
Psychiatrist

A specialist assessment, useful when the picture is complex or other conditions are involved.

Best for complex cases or other conditions.

$0 with OHIPReferral neededLong waits
Private NP clinic

A nurse practitioner led assessment. NPs can diagnose, prescribe, and complete accommodation forms.

Best for a faster private assessment with treatment.

Fee varies by clinicNo referral
What an NP assessment covers
Registered psychologist

A full psychological assessment. Can also test for learning disabilities. Psychologists cannot prescribe.

Best for also testing for learning disabilities.

About $2,000 to $3,500No referral

Private fees are not covered by OHIP. Student and workplace health plans often cover part of a psychologist's fee, and some cover NP services. Ask your plan before booking.

Before your appointment

How to prepare

You don't need clinical terms. Real examples from your life help most.

Real examples
Where things get hard at school, work, home, or in relationships, and when it started.
Your medications
Everything you take, including supplements and anything you have tried before.
Past records
Earlier assessments, and old report cards if you still have them.
Someone who knew you as a child
A parent or relative. Your clinician may ask them to fill out a short form.

Missing some of this is okay. Bring what you have and tell your clinician what's missing.

Was this section helpful?

Nurse practitioner assessments

What to expect from an NP

In Ontario, nurse practitioners can assess, diagnose, and treat ADHD. Not every NP offers it, so ask first.

A full picture

Your symptoms in daily life, from childhood to now, in more than one setting. Plus sleep, physical and mental health, medications, and substance use.
More than a screener

A positive screen is not a diagnosis. Some people learn their symptoms are better explained by another condition, which matters for treatment.
Medication and follow-up

NPs with the required training can prescribe ADHD medication. Follow-ups check benefits, side effects, and any changes to your health or medications.
Accommodations

NPs can recommend school and workplace accommodations and complete the forms that support them.

Before you book

Questions to ask a clinic

What is the full fee?
Ask what it includes, and whether your health plan covers NP services.
Ongoing care, or assessment only?
Some clinics only assess. Others also manage medication and follow-ups.
Will you update my family doctor?
A letter keeps your primary care provider in the loop.

An assessment does not guarantee a diagnosis or a prescription. You can confirm an NP's registration on the College of Nurses of Ontario register (opens in a new tab).

Clinically reviewed

Kristina Mostacci, NP-PHC, MScN. Founder of The Focus Clinic (opens in a new tab), an NP-led ADHD clinic for teens and adults in Stoney Creek and virtually across Ontario.

After the diagnosis

What treatment actually looks like

Canadian guidelines recommend four things used together. You don't need all four at once. Start where you can.

Medication

For most adults, a long-acting stimulant is the first option. Expect a few weeks of follow-ups to find the right dose.
CADDRA medication chart(opens in a new tab)
Therapy or coaching

Medication improves focus. Therapy and coaching build the daily habits medication cannot teach. CBT adapted for ADHD has the strongest evidence for adults.
CAMH psychotherapy guide(opens in a new tab)
Daily habits

Sleep, aerobic exercise, and a single external calendar are what keep medication and therapy working on hard weeks.
CADDAC lifestyle guide(opens in a new tab)
Accommodations

A letter or form from your clinician supports accommodations at school and work. Disclosure is your choice.
See university accommodations

Paying for medication: common ADHD medicines are covered for eligible people through OHIP+, the Ontario Drug Benefit, and the Trillium Drug Program. Educational information, not medical advice. Speak to a prescriber before starting, stopping, or changing medication.

Ontario University Students

Resources for Ontario university students

Ontario universities must accommodate students with documented disabilities, including ADHD. The steps are similar everywhere.

Often the fastest route

Try campus health services first

Your campus health clinic is often the fastest way in. Visits are usually covered by OHIP or your student health plan, and staff already know the accommodation process.

Book a family doctor visit at your campus health centre

Ask for a doctor or NP who handles ADHD. Say why when you book, so they allow enough time.

Bring your ASRS results and a one page summary

Use the self-screener above and bring your score, along with these few things.

Ask if they can refer you to the in house psychiatrist

Many campus clinics have a psychiatrist on staff or a contracted service. Internal referrals are often faster than outside hospital programs.

Loop in Accessibility Services in parallel

Don't wait for a diagnosis to contact them. Many offices can offer interim accommodations while your assessment is in progress.

Ontario campus health contacts

University of Waterloo , Campus Wellness , 519-888-4096
University of Toronto , Health & Wellness , 416-978-8030 ext. 2
McMaster , Student Wellness Centre , 905-525-9140 ext. 27700
Guelph , Student Wellness Services , 519-824-4120 ext. 52131
Queen's , Student Wellness Services , 613-533-2506
Western , Health & Wellness , 519-661-3030
uOttawa , Health Services , 613-564-3950
York , Student Counselling, Health & Well-being , 416-736-5297
Toronto Metropolitan University , Medical Centre , 416-979-5070

Numbers checked October 2026. Hours change, so check the page before you go.

About documentation: For ADHD, many schools accept a form from a physician or NP. A full psychoeducational assessment is usually only needed if you also need support for a learning disability. Ask Accessibility Services before paying for anything.

Interactive guide

How to get academic accommodations

Click each card to expand. Track your progress as you go.

0 of 5 steps explored

1 Figure out exactly what your school needs

Email your university's Accessibility Services office before you book any appointments. Use the template below so you do not pay for the wrong type of assessment.

Action: Send the email below today.

Time needed: 5 minutes.

Show email template

Subject: Documentation requirements for ADHD accommodations

Hello,

I am a student seeking academic accommodations for ADHD. Could you please let me know:

1. What documentation your office requires to register
2. Whether a physician or nurse practitioner form is sufficient
3. Whether a full psychoeducational assessment is needed for the supports I am asking for
4. Whether you have a specific disability verification form I should bring to my appointment

Thank you for your help,
[Your name]
[Student number]
[Program and year]

Subject: Documentation requirements for ADHD accommodations

Hello,

I am a student seeking academic accommodations for ADHD. Could you please let me know:

1. What documentation your office requires to register
2. Whether a physician or nurse practitioner form is sufficient
3. Whether a full psychoeducational assessment is needed for the supports I am asking for
4. Whether you have a specific disability verification form I should bring to my appointment

Thank you for your help,
[Your name]
[Student number]
[Program and year]

2 Gather your documents

Most accessibility offices want to see one or more of these.

A diagnosis letter, psychoeducational assessment, or disability verification form from a physician, nurse practitioner, psychiatrist, or psychologist describing how ADHD affects your learning.
Any past IEPs, accommodation letters, or learning assessments from high school or another institution.
Your own short note about how ADHD affects exams, lectures, deadlines, focus, and organisation.
Your student or employer insurance details if you may need private psychological services.

Forms to ask about: "Disability Verification Form" or "Documentation of Disability". Most schools have their own. Some accept the CADDRA assessment forms or a CADDAC information letter.

Permission needed: Only your own consent. Bring photo ID and your student number to any in person appointment.

3 Talk to your doctor with a clear ask

Walk into the appointment knowing what you want. ADHD brains do better when the script is written down.

Show doctor checklist template

Reasons for visit:

- Discuss whether my symptoms could fit ADHD based on my history
- Understand what you are able to assess and manage in this clinic
- Get your recommendation on referral to a psychiatrist or psychologist
- Ask whether you can complete documentation for academic accommodations if needed
- Ask about non medication strategies or supports

Symptoms I want to mention:

- Trouble starting and finishing tasks
- Time blindness, missing deadlines
- Losing things, forgetting appointments
- Trouble sitting still or focusing in lectures
- When these started and how they affect school, work, or relationships

Reasons for visit:

- Discuss whether my symptoms could fit ADHD based on my history
- Understand what you are able to assess and manage in this clinic
- Get your recommendation on referral to a psychiatrist or psychologist
- Ask whether you can complete documentation for academic accommodations if needed
- Ask about non medication strategies or supports

Symptoms I want to mention:

- Trouble starting and finishing tasks
- Time blindness, missing deadlines
- Losing things, forgetting appointments
- Trouble sitting still or focusing in lectures
- When these started and how they affect school, work, or relationships

4 Register and book your intake meeting

Once you have the documentation, submit it through your university's online accessibility portal or in person and request an intake meeting. This meeting is where you describe how ADHD affects your academic work specifically, so the office can tailor the accommodations to your situation rather than issuing a generic list.

Tip: Book the intake meeting at least three to four weeks before your first round of midterms. Accommodation letters take time to process.

Bring: Documentation, student ID, and a short list of the supports you think would help (extra time, separate room, note taking support).

5 Share your Letters of Accommodation each term

Each term, your office issues Letters of Accommodation (sometimes called LOAs). You are responsible for sending them to every instructor at the start of every term. You do not have to disclose your specific diagnosis. The letter only states what accommodations you are entitled to.

Show instructor email template

Subject: Accommodation letter for [Course code], [Term]

Hello Professor [Name],

I am registered with [University] Accessibility Services and have approved academic accommodations for this term. My accommodation letter is attached.

Could we briefly confirm:

- That you have received the letter
- How exam accommodations will be coordinated for this course
- The best way to flag any time sensitive deadlines if I need to use my accommodations

Thank you,
[Your name]
[Student number]

Subject: Accommodation letter for [Course code], [Term]

Hello Professor [Name],

I am registered with [University] Accessibility Services and have approved academic accommodations for this term. My accommodation letter is attached.

Could we briefly confirm:

- That you have received the letter
- How exam accommodations will be coordinated for this course
- The best way to flag any time sensitive deadlines if I need to use my accommodations

Thank you,
[Your name]
[Student number]

Financial note: If the cost of a private assessment is a barrier, talk to your Accessibility Services office directly. A form from your physician or NP may be enough for some accommodations. The provincial Bursary for Students with Disabilities (BSWD) also provides financial assistance toward disability related educational costs.

Other student resources

Campus Counselling Services

Mental health and wellbeing

Free, confidential counselling for registered students. A counsellor can help you manage stress and connect you with campus health services.

Free

Find your campus counselling office through your student services portal or university website

Student Union Health Plan

Insurance for psychological services

Most student unions include a health plan that covers part of a psychologist's fee, and some cover NP services. Log in to your plan to check your coverage before booking.

Check your coverage

Newcomer & Immigrant Families

Navigating ADHD as a newcomer family

A short, practical guide to Ontario ADHD care for families new to Canada.

If you are new to Canada, start here

Ask your family doctor, NP, or a walk in clinic about an ADHD assessment. With a valid Ontario health card, these visits and specialist referrals are covered by OHIP.
Ask your child's school about special education and assessment pathways. Every Ontario school board has a process for educational assessment and accommodations. Speak with the teacher, principal, or the special education department.
Contact a settlement worker for help with forms, interpretation, and navigating services. Settlement workers are free. They can help with forms and explain how Ontario services work.
Call 211 or use Settlement.Org to find newcomer services near you. 211 is a free 24/7 helpline that connects you to community and social services in your language.

Best resources for newcomers in Ontario

Settlement.Org

Trusted Ontario newcomer information and a service search. A good first stop if you are not sure who to contact. Run by OCASI.

IRCC newcomer service finder

Find free settlement services across Canada and check whether you qualify.

YMCA of Three Rivers Immigrant Services

Help with forms, interpretation, school, and health care in Cambridge, Kitchener, and Waterloo.

WRDSB Settlement Workers in Schools (SWIS)

Connects newly arrived WRDSB students and families with school and community services.

Your rights, in short

OHIP covers family doctor, NP, and psychiatrist visits with a valid Ontario health card.
Many hospitals offer free interpreters. Ask when you book. If you are Deaf, you can request a sign language interpreter.
Your diagnosis is private health information. It does not appear on school transcripts.
An ADHD diagnosis on its own rarely affects an immigration application. For questions about your case, ask a licensed immigration lawyer or consultant.
Children and youth 24 and under with OHIP and no private plan get common ADHD medications covered through OHIP+.

Support & Community

Support groups & national resources

You don't have to do this alone.

National · Canada CADDAC, Centre for ADHD Awareness Canada

Canada's national charity for ADHD awareness. Free monthly virtual peer support groups for adults, parents, women, and youth 16 to 24. Dates are on their Programs & Events page.

FreeVirtual / Zoom

caddac.ca

National · Canada CADDRA, Canadian ADHD Resource Alliance

The professional body for ADHD clinicians in Canada. Publishes the Canadian ADHD Practice Guidelines.

Free

caddra.ca

Waterloo Region · Ontario Independent Living Waterloo Region

Support for people with disabilities in Waterloo Region, including one on one help and a youth program for ages 15 to 24.

Free

ilwr.ca

Ontario Check a clinician's registration

Confirm a psychologist with the College of Psychologists and Behaviour Analysts of Ontario, or a nurse practitioner with the College of Nurses of Ontario.

Free public registers

cpbao.ca registry.cno.org

Waterloo Region Woolwich Counselling Centre

In person and virtual counselling, group therapy, and workshops for children, youth, adults, and seniors in Waterloo Region including Elmira. Benefits may cover costs. 519-669-8651.

Subsidies available

woolwichcounselling.org

Immediate Help

Crisis & urgent support

Free, confidential, and available 24 hours a day.

Good2Talk

1-866-925-5454

Free, confidential support for Ontario post secondary students. Or text GOOD2TALKON to 686868.

Available 24/7/365

9-8-8 Suicide Crisis Helpline

988

Canada's suicide crisis line. Call or text 9-8-8 from anywhere in Canada.

Available 24/7

Here 24/7 (KW Region)

1-844-437-3247

Mental health and addictions crisis line for Waterloo Region and Wellington.

Available 24/7

UWaterloo Campus Police

519-888-4911

For urgent safety concerns on the UWaterloo campus.

24/7 on campus

Health811

811

Free advice from a registered nurse, by phone or online chat. Useful when you're not sure if you need emergency care.

Available 24/7

Emergency Services

911

For immediate danger. Call if someone is at risk of harm.

Always available

Find your way through ADHD in Ontario.

Who are you looking for help as?

Student

Adult seeking diagnosis

Newcomer family

I need help now

What is ADHD, really?

Common myths vs. facts

Find my path

Do you have OHIP coverage?

How urgent is this for you?

What is your budget for the assessment?

Do you need university accommodations?

Quick self-screener

Four ways to get assessed

Family doctor or NP

Psychiatrist

Private NP clinic

Registered psychologist

How to prepare

Real examples

Your medications

Past records

Someone who knew you as a child

What to expect from an NP

A full picture

More than a screener

Medication and follow-up

Accommodations

Questions to ask a clinic

What is the full fee?

Ongoing care, or assessment only?

Will you update my family doctor?

What treatment actually looks like

Medication

Therapy or coaching

Daily habits

Accommodations

Resources for Ontario university students

Try campus health services first

Book a family doctor visit at your campus health centre

Bring your ASRS results and a one page summary

Ask if they can refer you to the in house psychiatrist

Loop in Accessibility Services in parallel

Other student resources

Campus Counselling Services

Student Union Health Plan

Navigating ADHD as a newcomer family

Best resources for newcomers in Ontario

Your rights, in short

Support groups & national resources

Crisis & urgent support

Good2Talk

9-8-8 Suicide Crisis Helpline

Here 24/7 (KW Region)

UWaterloo Campus Police

Health811

Emergency Services