A psychiatrist is a medical doctor who specializes in mental health. A psychiatric nurse practitioner is an advanced practice nurse with graduate-level training in psychiatry. In Arizona, both can evaluate, diagnose, and prescribe medication, including controlled substances. The difference comes down to education, training, and how each one approaches care.
- A psychiatrist is a physician (MD or DO) who completed medical school and a residency in psychiatry.
- A psychiatric nurse practitioner (PMHNP) is a board-certified advanced practice nurse with a master's, post-graduate certificate, or doctoral degree in psychiatric mental health.
- Arizona is a full practice authority state, so PMHNPs evaluate, diagnose, and prescribe without physician supervision.
- Both treat common conditions such as depression, anxiety, ADHD, and PTSD. A psychiatrist may be the better fit when mental health symptoms are tied to complex medical illness.
What is a psychiatrist?
A psychiatrist is a physician who has completed medical school and a residency in psychiatry, usually four years. That medical training allows a psychiatrist to look at mental health symptoms alongside physical health conditions, order medical tests, and prescribe medication. Some psychiatrists also provide psychotherapy, though many focus on medication and work with a therapist for the talk-based part of care.
What is a psychiatric nurse practitioner?
A psychiatric nurse practitioner, also called a psychiatric mental health nurse practitioner or PMHNP, is an advanced practice registered nurse who specializes in mental health. The path starts with a nursing degree and a registered nurse license, then a master's, post-graduate certificate, or Doctor of Nursing Practice in psychiatric mental health nursing, followed by national board certification and state licensure.
The PMHNP-BC credential means the provider is board certified by the American Nurses Credentialing Center. Certification requires at least 500 faculty-supervised clinical hours in a psychiatric mental health program and is renewed every five years. In day-to-day care, a PMHNP does much of what a psychiatrist does: takes a history, makes a diagnosis, orders labs when needed, prescribes medication, and manages treatment over time. Medication management is a core part of that work.
Can a psychiatric nurse practitioner prescribe medication in Arizona?
Yes. The American Association of Nurse Practitioners lists Arizona as a full practice authority state, which means nurse practitioners can evaluate patients, diagnose, order and interpret tests, and prescribe medication, including controlled substances, under the state Board of Nursing. The Arizona Board of Nursing notes that Arizona does not require physician supervision or collaboration for nurse practitioner practice.
Controlled medications, including some ADHD medications and anti-anxiety medications, follow additional state and federal rules, and a prescriber needs a DEA registration. Whether a controlled medication is right for you is a clinical decision made after an evaluation, never in advance.
Can a psychiatric nurse practitioner diagnose mental health conditions?
Yes. Diagnosis is part of the scope of practice in Arizona. A PMHNP uses the same diagnostic criteria as any other licensed prescriber and can diagnose depression, anxiety disorders, ADHD, bipolar disorder, PTSD, OCD, and other conditions. If something falls outside their scope or needs a higher level of care, a careful clinician refers you to the right setting.
Can a psychiatric nurse practitioner call themselves a psychiatrist?
No. A psychiatrist is a physician, and a nurse practitioner is not. The titles describe different licenses, and using them interchangeably is misleading even when the care overlaps. At Balanced Mental Health of Arizona, our providers are psychiatric nurse practitioners, and we describe them that way.
How to choose between a psychiatrist and a psychiatric nurse practitioner
For most common mental health concerns, either can provide good care. The bigger factors are often practical: who can see you soon, who takes your insurance, how long the first appointment lasts, and whether the clinician listens.
A psychiatrist may be the better fit if:
- Your symptoms are complicated by a significant medical condition, a neurological condition, or medications that interact.
- You have not improved with several medication trials and need a more specialized review.
- You need an evaluation for a court, disability, or another legal purpose.
- You need hospital or intensive outpatient level care.
A psychiatric nurse practitioner may be the better fit if:
- You are looking for a prescriber with appointments available sooner.
- You want a whole-person approach that includes medication and coordination with your therapist or primary care doctor.
- You are seeking care for a common condition such as depression, anxiety, ADHD, or PTSD.
These are tendencies, not rules. Training and experience vary from one clinician to the next, and the best match is the person who takes your history seriously and explains the plan in plain language.
Psychiatrist vs. psychiatric nurse practitioner at a glance
| Category | Psychiatrist | Psychiatric nurse practitioner (PMHNP) |
|---|---|---|
| Education | Medical school (MD or DO) plus a residency in psychiatry | Master's, post-graduate certificate, or DNP in psychiatric mental health nursing |
| Board certification | May hold board certification from the American Board of Psychiatry and Neurology | Board certified by the American Nurses Credentialing Center (PMHNP-BC) |
| Can diagnose | Yes | Yes |
| Can prescribe medication | Yes | Yes, including controlled substances under state and federal rules |
| Provides therapy | Some do; many focus on medication | Some do; many focus on medication |
| Supervision in Arizona | Not applicable | Not required for nurse practitioner practice |
Who you'll see at Balanced Mental Health of Arizona
All three of our providers are board-certified psychiatric mental health nurse practitioners. Jennifer Peterson, FNP-C, PMHNP-BC, PMH-C, leads the practice and specializes in perinatal mental health. Daniel Garcia, PMHNP-BC, provides bilingual care in English and Spanish. Michelle North, PMHNP-BC, brings more than 30 years of healthcare experience and focuses on women's mental health, including ADHD in girls and women.
We see patients ages 6 and up at our office in Goodyear, with telehealth appointments available across Arizona. If you have been searching for a psychiatrist in Goodyear or the West Valley, you will be cared for by a psychiatric nurse practitioner. That is the honest description of our team, and it is what you will see on our providers page.
Frequently asked questions
Does insurance cover care from a psychiatric nurse practitioner?
Medicare and most commercial plans cover psychiatric care provided by nurse practitioners. Network status and benefits vary by plan, so check with your insurer or ask us before you book. We accept major insurance, Medicare, and self-pay.
Can a psychiatric nurse practitioner prescribe ADHD medication?
Yes. PMHNPs can prescribe controlled substances when clinically appropriate, including some ADHD medications, under Arizona and federal rules. A prescription is decided after an evaluation, not before. Learn more about ADHD testing and treatment.
Do I need a referral to see a psychiatric nurse practitioner?
No. You can request an appointment directly. If your insurance plan requires a referral, your primary care doctor can provide one.
What is the difference between a psychiatric nurse practitioner and a therapist?
A therapist provides talk therapy and may hold a psychology, counseling, or social work license. A psychiatric nurse practitioner is a prescriber who can diagnose conditions and manage medication. Many people see both, and the two roles can work together.
Sources
- What is psychiatry? American Psychiatric Association.
- Arizona practice information and state practice environment. American Association of Nurse Practitioners.
- Psychiatric-Mental Health Nurse Practitioner (PMHNP-BC) certification. American Nurses Credentialing Center.
- APRN questions and answers. Arizona State Board of Nursing.
- Finding mental health care. National Institute of Mental Health.
Last updated October 28, 2026. This page is general education, not medical advice. If you are in crisis, call or text 988 or call 911.
Ready to talk with a psychiatric nurse practitioner?
Request an appointment online or call (623) 349-1711 (Dials this phone call). Our office is at 14122 W McDowell Road, Suite #203, Goodyear, AZ 85395, and we offer telehealth across Arizona.