Medically reviewed by Biljana Srbinovska, MPharm. Last reviewed July 2026.
Short answer: psychiatrists can prescribe medication everywhere in the US. Psychologists generally cannot, with the exception of nine states where specially trained psychologists have been granted prescriptive authority. But if you are trying to actually get psychiatric medication, the more useful answer is that most of it is prescribed by neither. Primary care doctors write the large majority of antidepressant prescriptions, and psychiatric nurse practitioners prescribe in all fifty states, often with far shorter waits.
Psychiatrists
A psychiatrist is a physician, holding an MD or DO, who completed medical school followed by a four-year psychiatry residency. Because they are doctors, they have full prescribing authority in every state, DC, and the territories. No state restricts it.
Some go on to subspecialty fellowships in child and adolescent psychiatry, addiction, geriatric, or forensic psychiatry.
Psychologists: Only Nine States
A psychologist holds a doctoral degree (PhD or PsyD) in psychology, not a medical degree. Their training is in assessment, diagnosis, and psychotherapy, and in most of the country they cannot prescribe.
Nine states have passed prescriptive authority laws, usually called RxP, allowing psychologists with substantial additional training to prescribe psychotropic medication:
| State | Year enacted |
|---|---|
| New Mexico | 2002 |
| Louisiana | 2004 |
| Illinois | 2014 |
| Iowa | 2016 |
| Idaho | 2017 |
| Colorado | 2023 |
| Utah | 2024 |
| Vermont | 2026 |
| Hawaii | 2026 |
Guam has allowed it since 1999. Separately, psychologists working for the US military, the Indian Health Service, and the US Public Health Service may prescribe under federal authority regardless of state law.
Two important caveats. Vermont and Hawaii passed their laws in 2026, and licensing boards may still be building the rulemaking and credentialing pathways, so a prescribing psychologist may not actually be available in those states yet. And nationally only about 300 to 350 psychologists prescribe, so even in a permitting state you may not find one nearby.
What the training involves
This is not a weekend course. A prescribing psychologist typically needs a doctoral degree and independent practice licence, then a postdoctoral Master of Science in Clinical Psychopharmacology involving roughly 450 or more didactic hours, a period of supervised clinical practice, and a passing score on the national Psychopharmacology Examination for Psychologists. Several states, Vermont among them, also require a collaborative agreement with a psychiatrist.
Who Actually Prescribes Most Psychiatric Medication
This surprises people. Primary care physicians write the large majority of psychiatric prescriptions in the US. Analyses of insurance claims have found roughly three quarters of antidepressant and anti-anxiety fills originate in primary care rather than psychiatry.
For uncomplicated depression or anxiety, your family doctor is a legitimate and often much faster starting point. You do not need a psychiatrist to begin treatment.
Psychiatric Nurse Practitioners
A psychiatric mental health nurse practitioner (PMHNP) holds a master’s or doctoral nursing degree plus national certification in psychiatric care. PMHNPs prescribe in all fifty states, though their independence varies:
Roughly 30 states plus DC grant full practice authority, meaning they practise independently. About 15 have reduced practice, requiring a career-long collaborative agreement with a physician. Around 11 are restricted, requiring physician supervision.
In practice, a PMHNP is frequently the fastest route to psychiatric medication, with shorter waits and lower fees than a psychiatrist. For medication management of common conditions, this is often the sensible choice.
Physician Assistants
Physician assistants prescribe in all fifty states under varying collaboration or supervision requirements, and some work within psychiatric practices. If a psychiatric group offers you an appointment with a PA sooner than with a psychiatrist, that is a reasonable option for straightforward medication management.
When You Specifically Need a Psychiatrist
A primary care doctor or PMHNP can handle a lot. There are situations where the extra depth of psychiatric training genuinely matters:
Bipolar disorder. Psychosis or schizophrenia. Treatment-resistant depression, generally meaning two or more medications have failed. Complex regimens involving several interacting psychiatric drugs. Medications needing specialist monitoring such as lithium, clozapine, or MAOIs. Complicated ADHD management involving stimulants. Psychiatric medication during pregnancy or while breastfeeding. And any situation where the diagnosis itself is unclear.
If you are already seeing a primary care doctor and treatment is not working, that is the point to ask for a psychiatric referral rather than trying another adjustment.
Telehealth and Controlled Substances
Telepsychiatry has made access easier, but prescribing controlled substances such as stimulants for ADHD or certain anxiety medications carries extra federal rules.
The DEA has repeatedly extended pandemic-era flexibilities that allow controlled substances to be prescribed via audio-video telemedicine without a prior in-person examination. The current extension runs through December 31, 2026. State law can be stricter than federal law, and these rules have changed repeatedly, so confirm the current position before relying on it.
Non-controlled medications, including most antidepressants, are generally straightforward to prescribe via telehealth.
Who Can Prescribe Psychiatric Medication FAQs
Can a psychologist prescribe medication?
Only in nine states: New Mexico, Louisiana, Illinois, Iowa, Idaho, Colorado, Utah, Vermont, and Hawaii, plus Guam and certain federal settings. It requires a postdoctoral master’s in clinical psychopharmacology, supervised practice, and a national exam. Everywhere else, psychologists cannot prescribe.
Can a psychiatrist prescribe medication?
Yes, in all fifty states. Psychiatrists are physicians with an MD or DO and have full prescribing authority.
What is the difference between a psychiatrist and a psychologist?
A psychiatrist is a medical doctor who can prescribe medication. A psychologist holds a doctoral degree in psychology, focuses on assessment and therapy, and generally cannot prescribe outside those nine states.
Who else can prescribe psychiatric medication?
Primary care physicians, who write most psychiatric prescriptions in the US, psychiatric mental health nurse practitioners, who prescribe in all fifty states, and physician assistants.
Can my family doctor prescribe antidepressants?
Yes, and they commonly do. Roughly three quarters of antidepressant and anti-anxiety prescriptions come from primary care. For uncomplicated depression or anxiety it is a reasonable and much faster place to start.
Can I get psychiatric medication through telehealth?
Generally yes for non-controlled medications such as most antidepressants. Controlled substances like ADHD stimulants fall under DEA rules, currently extended through December 31, 2026, and state law may be stricter.
