A PHP, or partial hospitalization program, is a structured mental health treatment program where you attend therapy and psychiatric care for several hours a day but go home at night. It fills the gap between a full hospital stay and standard outpatient therapy, offering intensive daily treatment (typically five to seven days a week, around six hours per day) without requiring you to live at the facility. Think of it as having the rigor of an inpatient psychiatric program while still sleeping in your own bed.
How a PHP Works Day to Day
A typical PHP runs about six hours a day, five days a week, roughly mirroring a school or work day. At Children’s Hospital of Philadelphia, for example, the program runs from 9 a.m. to 3 p.m. Most programs follow a structured daily schedule that rotates through multiple types of therapy and clinical services rather than a single long session.
The core of a PHP is a combination of individual therapy, group therapy, and family counseling. Beyond talk therapy, programs often include occupational therapy, medication management with a psychiatrist, patient education about your condition, and individualized activity therapies designed around your specific treatment goals. The multimodal approach is deliberate: you’re not just talking about your mental health in one format, you’re working on it from several angles throughout the day. A psychiatrist or treatment team adjusts your plan as you progress, and if you’re on medication, they monitor how it’s working in near-real time because they see you daily.
Who PHP Is Designed For
PHPs serve people whose symptoms are too severe for a weekly therapy appointment but who don’t need round-the-clock supervision. That includes people stepping down from inpatient hospitalization who aren’t yet stable enough for less intensive care, and people whose conditions have worsened to the point where outpatient treatment isn’t enough to keep them safe and functioning.
Common conditions treated in PHPs include major depression, bipolar disorder, severe anxiety disorders, psychotic disorders, and substance use disorders (often alongside a mental health diagnosis). You might be referred to a PHP after a psychiatric crisis, a hospitalization, or when your outpatient therapist recognizes you need more support than they can provide in a 50-minute weekly session. The key criterion is medical necessity: your symptoms are serious enough to require intensive, coordinated treatment, but you can safely return home each evening.
How Long Treatment Lasts
Most people spend three to six weeks in a PHP. Adults typically complete treatment in about four to five weeks, while adolescents average three to four weeks. The length depends on your progress, symptom severity, and what you’re stepping down to afterward. PHP isn’t meant to be indefinite. The goal is stabilization: getting your symptoms under enough control that you can transition to a less intensive level of care, usually an intensive outpatient program or regular outpatient therapy.
PHP vs. Inpatient and Outpatient Care
Mental health treatment exists on a spectrum of intensity, and PHP sits near the top.
- Inpatient hospitalization means you live at the facility 24 hours a day with constant supervision. This is for people in acute crisis who are a danger to themselves or others, or who can’t function safely outside a hospital.
- Partial hospitalization (PHP) provides nearly the same level of structured treatment as inpatient care, but you go home at the end of the day. You attend five to seven days a week for several hours.
- Intensive outpatient programs (IOP) require fewer hours per week than PHP. You attend sessions multiple times a week, typically for a period of 8 to 12 weeks. IOPs focus more on group therapy, individual counseling, and education. They’re a step down in intensity and cost.
- Standard outpatient therapy is the familiar model of seeing a therapist once a week or biweekly for an hour.
The jump from standard outpatient to PHP is significant. You’re going from one hour a week to 30 or more hours, with a full clinical team involved in your care. That intensity is what makes PHP effective for people whose symptoms aren’t responding to less structured treatment.
What to Expect With Insurance
Most insurance plans cover PHP, but nearly all require preauthorization before you start. This means your treatment team (or the program itself) must submit documentation showing the program is medically necessary for your condition. Authorization isn’t a one-time event. Insurers typically review your continued stay at regular intervals, and the program has to demonstrate you still meet criteria for that level of care. If your symptoms improve enough, the insurer may approve a step down to IOP or outpatient therapy.
Because PHP doesn’t include the cost of an overnight bed, it’s significantly less expensive than inpatient hospitalization. Your out-of-pocket costs will depend on your specific plan, but the preauthorization process is the first hurdle. The admitting program usually handles this paperwork, though it’s worth confirming that before you start.
How to Evaluate a Program
Not all PHPs are identical, and the quality of programming varies. When considering a specific program, it helps to ask what evidence-based therapies are offered. Cognitive behavioral therapy (CBT), dialectical behavior therapy (DBT), and structured group therapy are well-established approaches you’d expect to see. Ask about the credentials of the clinical staff, including whether psychiatrists are available daily for medication management and whether licensed therapists lead both individual and group sessions.
You’ll also want to know the program’s approach to family involvement. Family counseling is a standard component of most PHPs, and it can be especially important for adolescents or for adults whose home environment plays a role in their condition. Finally, ask about the discharge plan. A good PHP doesn’t just stabilize you and send you on your way. It should have a clear process for transitioning you to the next level of care, whether that’s an IOP, outpatient therapy, or a combination of ongoing supports.