Short answer
A psychiatrist is a medical doctor specializing in mental health and can prescribe medication. A licensed clinical psychologist usually has doctoral training in psychology and may provide assessment and psychotherapy. Some psychologists have additional prescribing authority in certain US jurisdictions, so “psychologists never prescribe” is too absolute. 1 2 3
Both can provide mental health care but have different typical training pathways and prescribing authority.
On this page
At a glance
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| Question | Psychologist | Psychiatrist |
|---|---|---|
| Typical training | Doctoral psychology training and licensure | Medical degree plus psychiatry training |
| Common work | Assessment and psychotherapy | Medical evaluation, medication and sometimes psychotherapy |
| Medication | Generally no; limited jurisdictional exceptions | Can prescribe as a physician |
The table summarizes the cited definitions and the article’s stated scope. 1 2 3
What each thing is
Psychologist. A psychology-trained professional, commonly with a doctoral degree for licensed clinical practice, who may provide assessment and psychotherapy. 1 3
Psychiatrist. A physician who specializes in psychiatry and can evaluate and treat mental health conditions, including with medication. 1
Key differences
Training is the strongest first clue. Psychiatrists complete medical education; psychologists follow a psychology education and licensure pathway. Work overlaps: both may evaluate mental health concerns, and some psychiatrists deliver therapy while psychologists may work closely with prescribers. 1 2 3
The psychiatrist’s medical pathway includes physician training and specialization in psychiatry. The psychologist’s pathway centers on psychological science, assessment and treatment, usually followed by the relevant professional license for clinical work. Their work can overlap in a clinic, but the training foundations explain why medication authority commonly differs. 1 2 3
How to tell them apart
Read the professional’s credential and state license, then ask what services they actually provide. If medication evaluation is wanted, confirm prescribing authority. If specialized psychological testing or psychotherapy is wanted, check that specific service rather than relying on title alone. 1 2 3
Where they overlap
Both may help people with depression, anxiety or other conditions; both can participate in coordinated care. A person may see both practitioners for different parts of treatment. 1 2 3
Edge cases
US states vary in scope-of-practice rules, including limited prescribing rights for specially trained psychologists in some places. A psychologist with a research job may not be a licensed therapist. A psychiatrist does not necessarily offer weekly psychotherapy. 1 2 3
A clinician’s title does not reveal the entire current service menu. Some psychiatrists offer psychotherapy, some concentrate on medication management, and some specially trained psychologists have prescribing authority where law allows. A reader seeking care should confirm the person’s specific license and service rather than assuming a fixed division. 1 2 3
Why the distinction exists
The distinction reflects two training traditions—medicine and psychology—and the different legal licenses attached to them. 1 2 3
Common misconceptions
“Psychiatrist equals medication only, psychologist equals talk only” is too rigid. Services depend on training, license and practice. 1 2 3
Examples
Someone may receive psychological testing and therapy from a psychologist while a psychiatrist manages medication; another clinic may organize care differently. 1 2 3
Sources
Sources checked October 3, 2026.
- American Psychological Association — What Is the Difference Between Psychologists, Psychiatrists and Social Workers?. Training summaries.
- National Alliance on Mental Illness — Types of Mental Health Professionals. Professional types and credentials.
- American Psychological Association — Prescriptive authority gains new momentum. Jurisdiction examples.