Ketamine Therapy in Toronto and the GTA

Toronto patients have access to ketamine therapy through several Toronto-based clinics and ATMA CENA's Greater Toronto Area member clinic network in Mississauga, Vaughan, Oakville, and Hamilton. ATMA CENA does not operate a corporate clinic in Toronto proper. The GTA member clinics are 25 to 75 km from downtown Toronto and offer ketamine-assisted psychotherapy with structured preparation and integration. This guide covers Toronto's ketamine landscape, what's available across the GTA, costs, Ontario regulations, and how to access care.

Key takeaways

• ATMA CENA does not operate a corporate Toronto clinic; GTA patients access ketamine-assisted therapy through ATMA CENA's member clinic network in Mississauga, Vaughan, Oakville, and Hamilton.
• Toronto's ketamine landscape includes Toronto Ketamine Clinic (downtown), Braxia Health (Bay Street + Mississauga), Numinus, and Field Trip Health, among others.
• Ontario regulation: IV/IM ketamine must be administered in a CPSO-accredited Out-of-Hospital Premises (OHP). Off-label psychiatric use is legal under physician oversight.
• OHIP covers physician consultations but does not cover the ketamine drug or administration for psychiatric indications.
• WSIB Ontario covers ketamine and Spravato on multiple specialty formularies for compensable injuries with prior authorization.

What is ketamine-assisted therapy?

Ketamine therapy uses sub-anaesthetic doses of ketamine — a Health Canada-approved anaesthetic — to treat conditions including treatment-resistant depression, PTSD, anxiety, OCD, and chronic pain. Health Canada has approved ketamine as an anaesthetic; psychiatric use is off-label. Spravato (intranasal esketamine) is Health Canada-approved for treatment-resistant MDD as of May 2020.

When ketamine is paired with structured psychotherapy before, during, and after dosing, the treatment is called ketamine-assisted psychotherapy (KAP) or ketamine-assisted therapy (KAT). For the full mechanism explanation, see What Is Ketamine Therapy?.

How does ketamine work?

Ketamine acts on the brain's glutamate system through NMDA receptor antagonism, triggering AMPA receptor activation, BDNF release, and synaptogenesis — the formation of new neural connections within 24 to 72 hours. Conventional antidepressants take 4 to 6 weeks to act on serotonin and norepinephrine; ketamine can produce antidepressant effects within 2 to 72 hours of a single IV dose (Lullau et al., 2023). The Canadian Network for Mood and Anxiety Treatments places IV racemic ketamine as a third-line treatment for adults with TRD (Swainson et al., 2021).

ATMA CENA's GTA member clinic network

ATMA CENA does not operate a corporate clinic in Toronto. Instead, GTA patients access ketamine-assisted therapy through ATMA CENA's member clinic network. Each member clinic operates within ATMA CENA's clinical model and pricing framework while serving its local community.

For most Toronto neighbourhoods, the closest ATMA CENA member clinic is Vaughan (north) or Mississauga (west). Patients in west-end Toronto and Etobicoke find Mississauga or Oakville closest; patients in Scarborough and East York may find Vaughan or even the Hamilton route via QEW worth considering.

Each member clinic uses ATMA CENA's three-phase KAP structure: preparation, dosing, integration. The coordinated care model also lets patients keep their existing Toronto psychiatrist or therapist while accessing dosing infrastructure through a member clinic — see how to find care near you.

Toronto's broader ketamine landscape

Toronto has the densest concentration of ketamine providers in Canada. Patients should know the major options:

• Toronto Ketamine Clinic (123 Edward St, downtown) — IV ketamine + intranasal + KAP. Established 2020. CPSO-accredited Out-of-Hospital Premises.
• Braxia Health (700 Bay St, Toronto + 1100 Dundas St W, Mississauga + Ottawa) — Canada's first ketamine-focused clinic for mood disorders, established 2018. IV, sublingual, and Spravato.
• Numinus — Vancouver-headquartered with Toronto presence. Multi-modal, including SAP-access psilocybin and MDMA programs.
• Field Trip Health Toronto — IM ketamine + KAP. Operating status post-2023 restructuring should be verified directly.
• Caledon Clinic (Caledon East, ~65 km NW of Toronto) — KAP-only model.
• Ontario Ketamine and Infusion Centre (1000 Middlegate Rd, Mississauga) — IV-focused; physician-academic team.

ATMA CENA's GTA differentiation: ketamine-assisted psychotherapy with bundled preparation and integration, rather than infusion-only models; pricing transparency through the KAT pricing page; the coordinated care option for patients keeping an existing Toronto therapist; and the breadth of the member-clinic network for geographic flexibility.

Ontario's regulatory framework

Two layers govern Toronto-area ketamine clinics:

Federal — Health Canada. Ketamine is a Schedule I controlled substance, prescribed off-label for psychiatric use. Spravato is Health Canada-approved for treatment-resistant MDD.

Provincial — CPSO. The College of Physicians and Surgeons of Ontario does not have a specific ketamine policy, but IV/IM ketamine administration falls under the Out-of-Hospital Premises Inspection Program (OHPIP). Clinics must be CPSO-accredited OHPs with annual inspection. CPSO standards: "Patients receiving [ketamine] must receive care consistent with deep sedation even if moderate sedation is intended" — administering physicians must be qualified to provide deep sedation (CPSO OHP Standards).

The practical effect for Toronto patients: facility-level oversight and physician sedation credentialing are robust here. Clinics that are not CPSO-OHP accredited cannot legally provide IV/IM ketamine in Ontario.

OHIP, ODB, and Ontario insurance

OHIP: Covers physician consultations and assessments — the medical visits at intake and follow-up. OHIP does not cover the ketamine drug or administration for psychiatric indications. Patients pay out-of-pocket for the dosing sessions.

Ontario Drug Benefit (ODB) / Exceptional Access Program (EAP): Spravato (esketamine) is not on the standard ODB formulary. Prescribers can submit Exceptional Access requests via the SADIE portal — case-by-case approval. Generic racemic ketamine for psychiatric use has no ODB or EAP pathway.

WSIB Ontario: Covers ketamine and Spravato on multiple specialty formularies (musculoskeletal, CNS/PNS, psychotraumatic, chronic pain, serious injury) with prior authorization for compensable injuries. See wsib.ca.

Private insurance: Coverage varies. Spravato is the form most likely to be covered by Manulife, Sun Life, Canada Life, Green Shield, and others — typically with prior authorization for documented TRD. Generic IV/IM ketamine for psychiatric use is generally not covered.

Note on Alberta Blue Cross: Alberta Blue Cross covers psychedelic-assisted therapy including ketamine for eligible Alberta plans (effective March 2024). This coverage does not extend to Ontario residents.

What does ketamine therapy cost in Toronto?

Toronto Ketamine Clinic publishes an IV package at approximately CAD $4,500 for 6 infusions plus 4 psychiatrist visits; Braxia Health quotes IV CAD $850 standard / $1,000 high-dose and sublingual CAD $250. For the full Canadian pricing breakdown, see Ketamine Therapy Cost in Canada.

Who is a candidate?

Most Toronto-area clinics use the following inclusion criteria:

• Adults 18 or older
• Diagnosis of TRD (failure of 2+ adequate antidepressant trials), bipolar depression with mood-stabilizer coverage, PTSD, anxiety disorders, OCD, or chronic pain
• Medically stable; able to provide informed consent

Absolute contraindications: active psychosis, uncontrolled severe hypertension, severe cardiovascular disease, current pregnancy, anaphylactic reaction to ketamine, active manic episode. For full eligibility, see How to Qualify for Ketamine Therapy in Canada.

CAMH does not currently offer outpatient ketamine therapy; GTA patients access through private clinics or member clinic networks. Some downtown Toronto clinics require a GP or psychiatrist referral; ATMA CENA's member clinics generally accept self-referrals through ATMA CENA information call.

What to expect during a session

Patients arrive at the member clinic having fasted (typical for IV protocols) or eaten lightly per program instructions. Vitals are checked. The clinical team administers the dose — IV, IM, or sublingual depending on protocol. The acute experience typically lasts 45 to 90 minutes. The therapist or clinician stays with the patient throughout.

After the dosing window, patients rest for 30 to 60 minutes (longer for Spravato — Health Canada requires a minimum 2-hour observation). Patients cannot drive for at least 24 hours and need an escort home.

Toronto practical note: For patients travelling from downtown Toronto to a member clinic in Mississauga, Vaughan, Oakville, or Hamilton, the 24-hour no-driving rule means planning return transportation in advance. Vaughan is accessible via TTC Subway Line 1; Mississauga and Oakville via GO Transit Lakeshore West. Rideshare back to downtown after a session is the most common option.

Frequently asked questions

Does ATMA CENA have a clinic in downtown Toronto? No. ATMA CENA operates corporate clinics in Edmonton and Calgary. GTA patients access ketamine therapy through ATMA CENA's member clinic network in Mississauga, Vaughan, Oakville, and Hamilton.

Where is the closest ATMA CENA clinic to downtown Toronto? Vaughan (north) and Mississauga (west) are the closest. Vaughan is accessible by TTC Subway Line 1 (Vaughan Metropolitan Centre); Mississauga is accessible by GO Transit Lakeshore West.

Does OHIP cover ketamine therapy? OHIP covers the physician consultation but not the ketamine drug or administration for psychiatric indications. Patients pay out-of-pocket for dosing sessions.

Is ketamine therapy covered by private insurance in Ontario? Spravato is the form most likely to be covered with prior authorization for documented TRD. Generic IV/IM ketamine for psychiatric use is generally not covered. WSIB Ontario covers ketamine and Spravato for compensable injuries with prior authorization.

How much does ketamine therapy cost in Toronto? Downtown IV clinics typically charge CAD $600–$900 per session, with packages around CAD $4,500 for 6 sessions. ATMA CENA's KAT programs at GTA member clinics: CAD $1,530–$6,930 depending on pathway and number of sessions.

Do I need a referral for ketamine therapy in Toronto? Some downtown clinics require GP or psychiatrist referral; ATMA CENA's GTA member clinics accept self-referrals through ATMA CENA's information call. Public programs in other provinces require physician referral but Ontario has no comparable public program.

What if I'm a Toronto patient with an existing therapist or psychiatrist? ATMA CENA's coordinated care model lets you keep your existing therapist while accessing dosing infrastructure through a GTA member clinic. Discuss with your therapist and ATMA CENA team during the information call.

Can I drive after a ketamine session? No. Patients cannot drive for at least 24 hours after a session. From a GTA member clinic back to downtown Toronto, plan rideshare or have a designated driver.

What's the difference between ATMA CENA's KAP model and a Toronto IV clinic? ATMA CENA uses a three-phase structure: preparation, dosing, integration. Most Toronto downtown clinics offer infusion-only models without bundled psychotherapy. Both are legitimate; KAP is supported by 2017 RCT evidence showing that adding integration psychotherapy after the acute course extended antidepressant durability (Wilkinson et al., 2017).

Is there a publicly funded ketamine program in Ontario? Not for general access. Some hospital programs operate ketamine for treatment-resistant depression with psychiatrist referral on a case-by-case basis; CAMH does not currently offer outpatient ketamine therapy. Most Ontario patients access through private clinics.

Sources

1. ATMA CENA — Psychedelic-Assisted Therapy (pricing): https://psychedelic.healthcare/
2. ATMA CENA — find care near you: https://psychedelic.healthcare/find-care
3. ATMA CENA — Mississauga Member Clinic: https://psychedelic.healthcare/
4. ATMA CENA — Vaughan Member Clinic: https://psychedelic.healthcare/
5. ATMA CENA — Oakville Member Clinic: https://psychedelic.healthcare/
6. ATMA CENA — Hamilton Member Clinic: https://psychedelic.healthcare/
7. CPSO — Out-of-Hospital Premises Inspection Program: https://www.cpso.on.ca/physicians/your-practice/accreditation-programs/out-of-hospital-premises-inspection-program/out-of-hospital-premises-inspection-program-overvi
8. WSIB Ontario — Ketamine and Esketamine Formulary Decision: https://www.wsib.ca/en/drug-formulary-listing-decision-ketamine-and-esketamine
9. Ontario Exceptional Access Program: https://www.ontario.ca/page/exceptional-access-program
10. Health Canada DPD — Spravato: https://health-products.canada.ca/dpd-bdpp/info?lang=eng&code=98903
11. Wilkinson ST, et al. (2017). CBT after ketamine. Psychother Psychosom. https://pmc.ncbi.nlm.nih.gov/articles/PMC5516265/
12. Swainson J, et al. (2021). CANMAT racemic ketamine recommendations. Can J Psychiatry. https://pubmed.ncbi.nlm.nih.gov/33174760/

Related articles

• Ketamine Therapy in Canada
• What Is Ketamine Therapy?
• Ketamine Therapy Cost in Canada
• How to Qualify for Ketamine Therapy in Canada
• Ketamine Therapy for Depression
• ATMA CENA Mississauga member clinic
• ATMA CENA Vaughan member clinic
• ATMA CENA Hamilton member clinic
• Find care near you

Last updated: 2026-05-05