Rethinking Behavioral Health Care in the ED: Why Staffing Model Design Drives Throughput

In Parts 1 and 2 of this series, we explored the operational and financial impact of behavioral health boarding in the emergency department. The picture is clear: longer lengths of stay, blocked beds, rising costs, and growing strain on clinical teams.

At the center of this challenge is a constraint health systems have been managing for decades: the psychiatric workforce shortage.

But the consequences are becoming harder to manage.

Longer ED boarding. Delayed evaluations. Growing pressure on clinical teams. And no realistic path to simply “add more psychiatrists” fast enough to meet demand.

The takeaway is clear: solving access challenges isn’t just about increasing supply. It requires rethinking how care is delivered.

Across the industry, health systems are moving toward team-based models that align clinicians to patient need.

Instead of routing every behavioral health patient through the same process, these models are built around a simple principle:

Use the right level of expertise at the right point in the patient journey.

In practice, that means:

• Licensed behavioral health clinicians leading assessment, engagement, and care coordination
• Psychiatrists focusing on higher-acuity and complex decision-making
• Faster, more confident disposition decisions
• More efficient use of limited psychiatric resources

This shift is not about replacing psychiatry. It is about extending it so psychiatric expertise is applied where it adds the most value. This is the model many forward-looking health systems are now adopting to manage behavioral health demand more effectively within existing resource constraints.

Psychiatric consultation remains the clinical cornerstone of behavioral health care in the ED.

Psychiatrists provide:

• Diagnostic clarity in complex presentations
• Suicide and violence risk assessment
• Medication management and disposition decisions

For these reasons, many ED workflows have historically been built around psychiatrist-led evaluation.^1,2

But as demand rises, this model is increasingly difficult to sustain.

Patients are presenting with more complex needs that extend beyond diagnosis alone, including social determinants of health, access barriers, and changes in clinical presentations during extended stays.²

At the same time, psychiatric resources remain limited. When every patient requires direct psychiatrist involvement, bottlenecks are inevitable.

One of the most important shifts in ED behavioral health care is moving beyond acuity alone as the organizing principle.

Traditionally, higher-acuity patients are assumed to require psychiatrist-led evaluation. But in practice, many cases—across both high and low acuity—follow more predictable pathways once key risk factors are identified.

What differentiates cases is not just severity. It is the level of clinical uncertainty.

• When presentation, history, and risk factors are clear, disposition decisions are often straightforward
• When symptoms conflict, history is incomplete, or risk is unclear, deeper psychiatric expertise is required

Psychiatry delivers its greatest value in these moments of ambiguity, where clinical judgment and interpretation are essential.

Designing care around this distinction allows health systems to deploy psychiatric resources more precisely.

To operationalize this approach, many health systems are adopting integrated, team-based staffing models that pair psychiatrists with licensed behavioral health clinicians.

These models are designed to ensure each clinician operates at the top of their license, consistent with national guidance emphasizing competency-based, multidisciplinary behavioral health evaluation.³

This division of labor allows care teams to move more quickly and confidently, while preserving the integrity of clinical decision-making.¹

It also ensures that psychiatric expertise is applied where it has the greatest impact, rather than being diluted across all cases.

A significant portion of behavioral health patients fall into a middle category:

• Not clearly appropriate for inpatient admission
• Not yet ready for safe discharge

Without additional support, these patients often remain in the ED, contributing to extended boarding times.

Team-based models directly address this gap by expanding the range of interventions available in the ED, including:

• Ongoing therapeutic engagement
• Structured reassessment over time
• Active discharge planning and coordination

This allows a larger share of patients to be safely stabilized and discharged without waiting for inpatient placement.²

This approach reduces unnecessary admissions, shortens length of stay, and improves both patient experience and ED flow.

The broader implication of these models is not just operational improvement—it is a fundamentally different way of managing constrained resources.

Demand for behavioral health care is expected to continue rising, while psychiatric workforce supply remains limited. Training alone will not close the gap. Recent analyses continue to show that the psychiatric workforce is not growing fast enough to meet demand. Federal projections estimate a shortage of more than 40,000 psychiatrists over the next decade, reinforcing the need for new care delivery models.⁴

Team-based, acuity-aligned models extend psychiatric capacity by ensuring psychiatrists are focused on the cases that require their level of expertise.

This enables health systems to provide access to high-quality behavioral health care across a larger patient population, without compromising safety or rigor.

When staffing models are designed in this way, improvements are measurable:

Even though behavioral health may represent a relatively small share of ED volume, improving how this population is managed has an outsized impact on performance across the entire department.⁵

It is easy to frame behavioral health throughput as a problem of access to psychiatry.

In reality, it is a problem of system design.

Health systems that make meaningful progress are not simply adding resources. They are redesigning how care is delivered—aligning clinical roles, workflows, and decision-making to the realities of demand.

The question is no longer whether behavioral health demand will continue to grow.

It is whether care models will evolve fast enough to keep pace.

The organizations that succeed will be those that move beyond traditional staffing approaches and build models that expand access, preserve clinical quality, and improve throughput at the same time.

If you’re evaluating how behavioral health is impacting ED throughput, Array can help you benchmark your current performance and identify opportunities to improve flow safely and sustainably.