Guide
Your Care Team: Who Does What
Psychiatrist, nurse practitioner, psychologist, therapist — the titles blur together, but the roles are different. The quickest way to tell them apart: who can prescribe medication and who does therapy. Here’s a clear breakdown, and how a good team works together so you don’t have to piece it together yourself.
Clinically reviewed by the Lyte Psychiatry Clinical Team · Last reviewed June 2026
The quick answer
Only psychiatrists and psychiatric nurse practitioners (PMHNPs) prescribe and manage psychiatric medication. Psychologists and therapists provide therapy but generally don’t prescribe. Many people benefit from a combination — a prescriber for medication and a therapist for the therapy — working together.
The roles
Who’s who
Psychiatrist (MD / DO)
A medical doctor who completed a psychiatry residency. Evaluates, diagnoses, and prescribes and manages medication; some also provide therapy. Often leads care for complex or medication-focused needs.
Psychiatric Nurse Practitioner (PMHNP)
An advanced-practice nurse specialized in mental health. Assesses, diagnoses, and prescribes and manages medication, and often provides psychotherapy. Scope varies by state — independent in some, collaborative in others.
Psychologist (PhD / PsyD / EdD)
A doctoral-level clinician who provides psychotherapy and, frequently, psychological testing and evaluation. A strong fit when the main need is therapy or formal assessment.
Therapist / Counselor (LPC, LCSW, LMFT)
Licensed professionals who provide talk therapy and support. They often work alongside a prescriber when medication is part of the plan.
How the team works together
For many conditions, the strongest results come from combining medication and therapy. In practice that often means a prescriber (psychiatrist or PMHNP) managing medication and a therapist doing the therapy, coordinating so the plan holds together. You don’t have to assemble the team yourself — a psychiatric evaluation can sort out what you need and connect the pieces.
Frequently asked questions
Who can prescribe psychiatric medication?
Psychiatrists (medical doctors) and psychiatric-mental-health nurse practitioners (PMHNPs) can evaluate, diagnose, and prescribe and manage psychiatric medication. Psychologists and most therapists (counselors, clinical social workers) provide therapy but do not prescribe in most states. Primary care providers can also prescribe some psychiatric medications.
What is a PMHNP, and how is it different from a psychiatrist?
A psychiatric-mental-health nurse practitioner (PMHNP) is an advanced-practice nurse who can assess, diagnose, and treat mental health conditions — including prescribing and managing medication and, often, providing psychotherapy. A psychiatrist is a physician (MD/DO) with a psychiatry residency. Both prescribe and manage medication; scope of practice for PMHNPs varies by state (some practice independently, others under a collaborative agreement). In many practices they work as a team.
What does a psychologist do?
A psychologist has a doctoral degree (PhD, PsyD, or EdD) and provides psychotherapy and, often, psychological testing and evaluation. In most states psychologists do not prescribe medication. They're a great fit when the main need is therapy or formal testing.
What's the difference between a therapist and a counselor?
'Therapist' and 'counselor' are broad terms that include licensed professional counselors (LPCs), licensed clinical social workers (LCSWs), and marriage and family therapists (LMFTs), among others. They provide talk therapy and support but generally don't prescribe. They often work alongside a prescriber when medication is part of the plan.
How do these providers work together?
For many people, the best care combines a prescriber (a psychiatrist or PMHNP) managing medication with a therapist doing the therapy — coordinating so the plan is coherent. You don't need to assemble the team yourself; a psychiatric evaluation can help figure out what you need and connect the pieces.
Sources
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This page is for general education and is not medical advice or a substitute for care from your own clinician. Provider roles and scope of practice can vary by state. If you are in crisis, call or text 988 (the Suicide & Crisis Lifeline), and for a medical emergency call 911.
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