Payer mix and esketamine referrals: a St. Louis referrer FAQ

St. Louis referrers work in a region where two state Medicaid programs, a large Medicare Advantage market, a military community, and dozens of commercial carriers all meet. That makes the question of where to send a patient for esketamine more complicated here than in many places. This FAQ covers the questions physicians and their staff raise most often, with a survey we commissioned this summer as the backdrop.

What did the survey find about coverage?

Our summer poll reached 443 working-age people across a ten-state Midwest region that takes in both Missouri and Illinois. On coverage, with more than one answer allowed, 39 percent reported commercial plans and 37 percent Medicaid, while 23 percent had Medicare, 5 percent TRICARE, and 9 percent nothing. Every number is final after validation.

The takeaway is that public and private coverage were essentially even in the sample.

Does that mean my St. Louis panel looks the same?

Not necessarily. The survey was regional, not a St. Louis metro sample, and this FAQ reports only whole-sample figures. Your own panel may skew in either direction. What the result does suggest is that assuming a commercially insured patient is risky. Your front desk already knows your actual payer mix. It is worth asking them.

Why does coverage matter so much to patients?

Because it is what they weigh first. On the two-pick provider question, insurance appeared on 85 percent of lists and a nearby site on 43 percent, and 65 percent said coverage could settle, or strongly shape, whether they try the treatment at all.

What is the key difference for Missouri Medicaid patients?

MO HealthNet delivers most benefits through managed care health plans. A certified esketamine site may participate with one plan and not another. The question to ask a site is not "Do you take Medicaid?" but "Do you take this plan?" MO HealthNet also covers rides to medical visits, useful because patients may not drive after a session.

What about patients from the Metro East?

Illinois Medicaid is a separate program with its own managed care plans and provider enrollment. A Missouri site that is geographically closer to a Belleville or Edwardsville patient may not be enrolled with Illinois Medicaid. Before referring across the river, confirm the site is enrolled with the patient's state program and plan.

What about Medicare patients?

Ask first whether the patient has traditional Medicare or a Medicare Advantage plan. Advantage plans have their own networks and authorization rules. Sites that see Medicare patients regularly tend to be more familiar with how esketamine and the observation service are billed.

How should I handle military families with TRICARE?

TRICARE covers many active duty families and retirees, including households connected to Scott Air Force Base. It often requires a referral or authorization through a primary care manager before specialty care, so confirm that step before the patient calls a site. Some patients carry TRICARE alongside another plan, which raises the question of which pays first. And do not assume every patient with a military connection has TRICARE. Ask about coverage the same way you would with anyone else; 56 percent of our respondents would bring this question to a primary doctor first, so you are likely the one asking.

What should I tell an uninsured patient?

Start with coverage eligibility. Some patients may now qualify for Medicaid in Missouri or Illinois and not know it. Federally qualified health centers in the region offer sliding-scale primary and behavioral health care and can help with applications. For any self-pay option, encourage the patient to get prices in writing.

Will patients tolerate prior authorization?

Most will, if they are prepared. In our poll, just over half would accept insurance steps rather than pay cash for simplicity; the rest divided roughly evenly between self-pay and uncertainty. Telling a patient up front that authorization is normal, and that your office is sending the medication history, goes a long way.

What documentation helps prior authorization?

Criteria vary by plan, but reviewers commonly look for a diagnosis of major depressive disorder in an adult, a record of prior antidepressant trials with doses, durations, and outcomes, and confirmation of treatment at a site certified to give Spravato. Ask each receiving site what it wants in a referral packet.

How much does my recommendation matter?

More than any other source. Of all the influences we asked about, a respondent's own doctor came out far ahead, named by 74 percent. Ads accounted for 2 percent. Your referral is likely the decisive event in whether the patient pursues care.

Should I tell patients the name of the treatment?

Yes, and write it down. Spravato was an unfamiliar name to 73 percent of respondents. Patients who cannot recall the name cannot ask their plan about it, and they will not find it by searching for how they feel.

How do I explain the difference from ketamine clinics?

Patients in the region see ads for ketamine infusion clinics and at-home ketamine. Spravato, the approved esketamine product, is for treatment-resistant depression and is supervised at certified sites only, while infusion and home-use ketamine are off-label and frequently cash-pay. Brain Recovery Centers keeps a patient-facing page on esketamine costs and coverage you can print for the handout. A sentence making that distinction can prevent a patient from paying out of pocket for something other than what you recommended.

How does distance play into a St. Louis referral?

The metro sprawls, and sessions require a driver and at least two hours on site. A covered site in west county may be a long trip from south city or St. Clair County. Note drive times on your referral list, and ask patients how they will get there.

Where does suitability fit into all of this?

First. This FAQ covers logistics and coverage, and the poll behind it is market research rather than clinical evidence; suitability for each patient remains your call.

What crisis resource should be on every handout?

The number 988. It reaches the Suicide and Crisis Lifeline by phone or text around the clock, and patients waiting on authorization or scheduling need it in hand.

Methodology

St. Louis referrers can check the source. Pollfish survey 395586438 closed June 23, 2026, after 443 consumer-panel members aged 18 to 64 had finished it, residents of Illinois, Missouri, Kansas, Minnesota, Iowa, Wisconsin, Oklahoma, Ohio, Nebraska and Indiana. Coverage allowed several answers. Whole-sample figures, now final. The publisher ordered and funded the survey.