Counselor, LCSW, Psychologist or Psychiatrist: Who Does What?
September 16, 2026 · 7 min read
Medically reviewed by Jeffrey H. Simon, M.D.
Medical Director, Virginia Addiction & Mental Health Center · Last reviewed September 16, 2026
The alphabet soup after a clinician's name is genuinely confusing, and picking wrong wastes weeks. Here is what each credential means and who to call for what.
The therapists
- LPC — Licensed Professional Counselor. Master's-level clinician trained in counseling theory and practice. Treats depression, anxiety, grief, and life transitions. Cannot prescribe.
- LCSW — Licensed Clinical Social Worker. Master's in social work plus supervised clinical hours. Provides therapy and is typically the strongest at the systems side of care — benefits, housing, family, discharge planning. Cannot prescribe.
- LMFT — Licensed Marriage and Family Therapist. Trained to treat the relationship system rather than one person in isolation. The right call for couples and family work.
- CSAC / CADC — substance abuse counselor. Specialist credentials in addiction. These clinicians run much of the group programming in PHP and IOP.
- Resident or associate-level clinicians. Fully trained, working under supervision toward independent licensure. Often excellent and more available.
The doctoral-level clinicians
- PhD or PsyD — Psychologist. Doctoral training in therapy and psychological assessment. The people who administer formal testing for ADHD, learning disorders, and diagnostic clarification. In most states they do not prescribe.
- MD or DO — Psychiatrist. A physician who completed residency in psychiatry. Diagnoses, manages medication, and evaluates the medical contributors to psychiatric symptoms — thyroid disease, sleep apnea, medication interactions, substance effects. Board certification signals completed training and passed examination.
- PMHNP — Psychiatric Mental Health Nurse Practitioner. Advanced practice nurse specializing in psychiatry. Prescribes and manages medication; in Virginia, practice authority depends on experience and collaboration requirements.
Our medical director, Dr. Simon, is a board-certified psychiatrist who oversees clinical protocols and medical care across our programs — see our clinical team and approach.
Who should you call first?
- Struggling but functioning: an individual therapist — LPC, LCSW, or psychologist — is the usual starting point.
- You think medication might help: a psychiatrist or psychiatric nurse practitioner, or your primary care physician as a first step.
- Substance use is part of the picture: a program with addiction specialists, not a generalist therapist alone.
- Weekly therapy is not holding: a structured program — that is precisely the gap IOP and PHP fill.
Why a team beats a single clinician
When someone has both a substance use disorder and depression, a solo therapist and a separate prescriber who have never spoken to each other will routinely work at cross purposes. In a program, the psychiatrist, therapists, and case manager share one record and one treatment plan. That coordination is most of the reason dual diagnosis treatment outperforms piecemeal care.
Unsure which you need? Call (571) 586-2883 or take the level of care assessment.
Frequently asked questions
- What is the difference between a counselor and a psychiatrist?
- A counselor provides talk therapy and cannot prescribe medication. A psychiatrist is a medical doctor who diagnoses mental health conditions and prescribes medication, and may or may not also provide therapy. Many people work with both at the same time.
- Is an LCSW as good as a psychologist for therapy?
- For most common conditions, outcomes depend far more on the therapist's skill and your fit with them than on the license type. Psychologists have specific training in psychological testing, which matters when formal assessment is needed.
- Who can prescribe psychiatric medication?
- Psychiatrists (MD or DO), psychiatric nurse practitioners, physician assistants, and in some states specially trained prescribing psychologists. Primary care physicians also prescribe many psychiatric medications.
- Do I need a psychiatrist to start treatment?
- Not usually. Most people start with an assessment that determines what they actually need. If medication is indicated, a prescriber is brought in — often on the same team.
- What is a CSAC or CADC?
- Substance abuse counselor credentials. These clinicians specialize specifically in addiction and are central to group work in PHP and IOP programs.
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