Ketamine treatment is available at dedicated infusion clinics, psychiatric offices, hospital outpatient programs, and through telehealth services that prescribe oral forms for home use. The right setting depends on what condition you’re treating, whether you want insurance coverage, and how much you’re willing to pay out of pocket. Most people end up at one of four types of providers, each with different costs, formats, and levels of medical oversight.
Private Ketamine Infusion Clinics
Standalone ketamine clinics are the most common entry point for people paying out of pocket. These are outpatient facilities, typically staffed by anesthesiologists, psychiatrists, or nurse practitioners, where you sit in a recliner chair and receive an IV infusion lasting 40 to 60 minutes. You’re monitored for about two hours total before being discharged. A standard initial course runs six to eight sessions over two to three weeks.
The national average for IV infusions falls between $400 and $800 per session, though prices range from around $350 in lower-cost regions to $1,400 at premium clinics in major cities. That puts the full initial series between $2,400 and $6,400 for most patients. These clinics treat both depression and chronic pain, and because IV ketamine for psychiatric conditions is considered off-label, most commercial and government insurance plans classify it as experimental and won’t cover it.
To find a clinic near you, search directories maintained by organizations like the American Society of Ketamine Physicians or simply search “ketamine infusion clinic” with your city name. Look for facilities that list their medical director’s credentials, describe their monitoring protocols, and conduct a screening evaluation before your first session.
Certified Spravato (Esketamine) Centers
If insurance coverage matters to you, Spravato is the route most likely to be reimbursed. Spravato is a nasal spray form of esketamine that received FDA approval specifically for treatment-resistant depression. Because of that approval, commercial insurers and Medicare are far more likely to cover it, though prior authorization is almost always required.
Spravato can only be administered in healthcare settings certified through a federal safety program called REMS. This includes both outpatient clinics and inpatient facilities that have completed the certification process. You self-administer the nasal spray under direct observation of a healthcare provider, then stay for at least two hours of monitoring. The medication is never dispensed for home use.
To locate a certified center, your prescribing psychiatrist can search the REMS registry, or you can call your insurance company and ask for in-network Spravato providers. Charges are generally billed under your medical benefit rather than pharmacy benefit, but this varies by plan. Confirm with your insurer whether it falls under medical or pharmacy coverage, because the out-of-pocket cost difference can be significant.
Hospital-Based Programs
Academic medical centers and hospital outpatient programs offer ketamine in a more clinical environment, often with a multidisciplinary team. These programs tend to be housed within psychiatry or pain management departments and may combine ketamine with psychotherapy or other treatments. NYU Langone, for example, offers outpatient ketamine infusions for chronic nerve pain through its pain treatment center, while Mount Sinai runs clinical trials pairing ketamine with psychotherapy for major depression.
Hospital programs are also where you’ll find ketamine administered to inpatients, particularly those experiencing acute suicidal ideation. In these cases, the treatment team typically includes an attending psychiatrist, a psychiatric pharmacist, and nursing staff trained in monitoring dissociative and sedating effects. Some hospital systems have found that psychiatric teams can safely administer ketamine infusions without needing anesthesiologists present, which has helped expand access in inpatient settings.
The trade-off is availability. Hospital-based ketamine programs are less common than private clinics, and wait times can be longer. But they often accept insurance for Spravato, and the level of psychiatric expertise surrounding your treatment tends to be higher.
Telehealth and At-Home Oral Ketamine
Several telehealth companies now prescribe oral or sublingual ketamine lozenges that you take at home after a virtual consultation. This is the most accessible and least expensive option, but it also carries the most regulatory caution.
The FDA has issued a specific warning about compounded ketamine products used at home without in-person monitoring. Their concern centers on sedation, dissociation, and blood pressure changes that can occur during a session, with no healthcare provider physically present to intervene. Compounded ketamine products are not FDA-approved for any indication, including psychiatric disorders, and are not part of any federal safety monitoring program.
That said, many patients use these services and report positive experiences. If you go this route, look for providers that require an initial video evaluation, have a clear protocol for what to do if you experience adverse effects, and ask you to have someone present during your sessions. The cost is generally lower than IV infusions, often in the range of $150 to $300 per month including the medication and provider visits.
Clinical Trials
Enrolling in a clinical trial gives you access to ketamine treatment at no cost, often at leading research institutions. Mount Sinai alone lists multiple active trials studying ketamine for major depression, including studies comparing ketamine-assisted psychotherapy to ketamine alone. Other academic centers run similar programs.
Search ClinicalTrials.gov for “ketamine depression” or “ketamine chronic pain” filtered by your location. Eligibility criteria vary by study, but most accept adults aged 18 and older with a diagnosis of major depressive disorder who haven’t responded to standard treatments. Some trials also study ketamine for conditions like drug-resistant epilepsy. The benefit beyond free treatment is access to close medical monitoring and follow-up that often exceeds what you’d get in a standard clinic.
Who Qualifies for Ketamine Treatment
Ketamine is not a first-line treatment. According to guidelines from the American Psychiatric Nurses Association, IV ketamine therapy should only be considered after standard treatments have failed. That means you’ve tried multiple antidepressants (often several different classes), possibly medication combinations, and potentially therapies like electroconvulsive therapy or transcranial magnetic stimulation without sustained improvement. You should also have engaged in psychotherapy, such as cognitive behavioral therapy, without adequate response.
The primary candidates are adults with moderate to severe depression, people experiencing acute suicidal thoughts, and individuals with bipolar disorder whose mood is otherwise stabilized. People with certain personality disorders may also qualify if they can manage the infusion experience and participate in therapy alongside it.
Several conditions rule out ketamine treatment: active substance abuse of any kind, a history of psychosis, uncontrolled high blood pressure, unstable cardiovascular disease, current pregnancy, and any previous negative reaction to ketamine. Providers should screen for all of these before your first session.
How Effective Ketamine Treatment Is
The response rates are notably high for a population that, by definition, hasn’t responded to other treatments. In a naturalistic follow-up study of patients with unipolar and bipolar depression who completed a repeated infusion course, 80.3% achieved a treatment response and 78.9% reached remission at nine months. Among those who initially responded, about 46% sustained that response over the full nine-month follow-up while continuing their oral antidepressants.
The vulnerability window is the first two weeks after completing a treatment course. Of the patients who relapsed in that study, nearly 86% did so within the first two weeks of follow-up. This is why most clinics recommend maintenance infusions, typically scheduled every few weeks to months, to sustain the initial benefit. The cost of ongoing maintenance sessions is something to factor into your long-term budget, especially if you’re paying out of pocket for IV infusions.
Choosing the Right Setting
Your decision ultimately comes down to three factors: what your insurance covers, how much oversight you want, and what condition you’re treating. If you have treatment-resistant depression and want insurance to help pay, start by asking your psychiatrist about Spravato at a REMS-certified center. If you’re open to paying out of pocket and want the most studied delivery method, IV infusions at a dedicated clinic are the standard. If cost is the primary barrier, telehealth oral ketamine is the most affordable path, though it comes with less monitoring. And if you’re near a research university, a clinical trial can provide top-tier care at no cost while contributing to the evidence base.
Whichever route you choose, the treatment setting should include a screening evaluation before your first dose, vital sign monitoring during each session, and a clear plan for what happens after the initial series ends. Ketamine works fast, but maintaining its benefits requires a longer-term strategy that goes beyond the infusion chair.