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Therapist, Psychologist, Psychiatrist: Who Do You Need?

The practical difference between therapists, psychologists, and psychiatrists — who does what, who prescribes, and who to call first.

Published August 21, 2026Last fact-checked September 20, 20263 min read

Written and fact-checked by the PsychMentalHealth editorial team. Read our editorial policy.

The short answer: if you want to talk through what you're dealing with, start with a therapist. If you think medication might be part of the picture, you'll eventually want a psychiatrist or psychiatric nurse practitioner involved. If you need formal testing — for ADHD, learning differences, or a diagnostic question — that's a psychologist.

Most people don't need to get this right on the first call. Any good clinician will tell you if you're in the wrong office and point you to the right one. But knowing the difference saves time, so here's the map.

Therapist (LCSW, LPC, LMFT)

"Therapist" is the umbrella term most people mean when they say they're "seeing someone." In New Jersey, that's usually a licensed clinical social worker (LCSW), licensed professional counselor (LPC), or licensed marriage and family therapist (LMFT). All are master's-level clinicians licensed by the state, and all provide talk therapy — for anxiety, depression, grief, trauma, relationships, and most of what brings people to care.

The letters matter less than people fear. What matters more is experience with your specific concern and whether the fit feels right — something our guide to what a first session looks like can help you judge.

Therapists do not prescribe medication.

Psychologist (PhD, PsyD)

Psychologists hold a doctorate in psychology. Many provide talk therapy, and at that level the day-to-day experience overlaps heavily with seeing a master's-level therapist — often at a higher fee.

What psychologists do that others generally don't is psychological testing: the structured evaluations used to assess ADHD, autism, learning disabilities, memory concerns, and complicated diagnostic questions. If a school, doctor, or court has asked for "an evaluation," a psychologist is usually who performs it.

In New Jersey, psychologists do not prescribe medication.

Psychiatrist (MD/DO) and psychiatric nurse practitioner (APN)

Psychiatrists are medical doctors who specialize in mental health. Their center of gravity is diagnosis and medication — antidepressants, mood stabilizers, ADHD medication, and the monitoring that goes with them. Some psychiatrists also provide therapy, but many run medication-focused practices with shorter, less frequent appointments.

Psychiatric advanced practice nurses (APNs) also evaluate, diagnose, and prescribe in New Jersey, and in many New Jersey practices they are the prescriber you will see. If you're looking for a "prescriber," either one fits.

A common and effective setup: weekly therapy with a therapist, plus medication check-ins with a psychiatrist or APN every month or few months. The two should talk to each other — ask whether they will.

So who do you call first?

  • You want to talk to someone about how you're feeling → a therapist. This is the right first call for most people, and our step-by-step guide to finding one locally walks through it.
  • You think medication might help, or it was suggested by your doctor → a psychiatrist or psychiatric APN. Your primary care doctor can also start this conversation and refer you.
  • You need testing or a formal evaluation → a psychologist who does assessments.
  • You're not sure → still a therapist. Sorting out what kind of help you need is genuinely part of their job, and they refer to prescribers and testers all the time.

One caveat on logistics: prescriber appointments often book out further than therapy appointments. If you suspect medication will be part of your care, get on a psychiatrist's or APN's calendar early rather than waiting until therapy is fully underway.

And none of this applies in an emergency. If you or someone you love is in immediate danger, call 911. If you are in emotional distress or thinking about suicide, call or text 988, free and confidential, 24/7. Our crisis page lists every option, including your county screening center.

Sources

  1. Psychotherapies — National Institute of Mental Health
  2. Understanding psychotherapy and how it works — American Psychological Association
  3. Caring for Your Mental Health — National Institute of Mental Health
  4. State Board of Social Work Examiners — NJ Division of Consumer Affairs
  5. Professional Counselor Examiners Committee — NJ Division of Consumer Affairs
  6. State Board of Marriage and Family Therapy Examiners — NJ Division of Consumer Affairs
  7. State Board of Psychological Examiners — NJ Division of Consumer Affairs
  8. New Jersey Board of Nursing — NJ Division of Consumer Affairs
A note on this article. This is general educational information, not medical advice, and it cannot replace care from a licensed professional. If you're in crisis, call or text 988.