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PMHNP vs Psychologist: What’s the Difference?

4 Min Read Published December 1, 2025
PMHNP vs Psychologist
PMHNP vs Psychologist

Mental health needs are rising: more than one in five US adults has a mental illness, according to the National Institute of Mental Health. As a result, demand is growing for trained professionals like psychiatric-mental health nurse practitioners (PMHNPs) and psychologists.

If you’re comparing PMHNP vs psychologist careers, it’s important to understand how they differ in education, salary, scope of practice, and treatment style. This article explains those differences—as well as key similarities—so you can decide which path aligns with your goals.

Popular Online Master of Science in Nursing (MSN) Programs

Sponsored
Chamberlain University

Chamberlain University is the #1 largest school of nursing with a community of more than 177,000 students, faculty, and alumni. The school offers MSN-NP programs online and has a long history of successfully delivering top quality education. Chamberlain's Commitment to Completion Grant helps RNs earn advanced degrees with savings up to $9,100.

Accreditation
CCNE
Location
Online
Prerequisite
RN Required

Enrollment: Nationwide except CT, NY, RI

Purdue Global

Whether you’re taking the first steps toward a nursing degree, seeking to advance as a nurse or want to hone your craft with specialized study, there’s a path for you at Purdue Global’s School of Nursing. Our programs were designed so that you can easily balance your lives at home and work with school - without sacrificing the rigor and cutting-edge curriculum of a quality nursing education.

Accreditation
CCNE
Location
Online
Prerequisite
RN Required

Enrollment: Nationwide, but certain programs have state restrictions. Check with Purdue for details.

Walden University

Earn your nursing degree from one of the largest nursing education providers in the U.S. Walden University’s BSN, MSN, post-master’s APRN certificate, and DNP programs are accredited by the Commission on Collegiate Nursing Education (CCNE). Get enhanced practicum support with our Practicum Pledge.

Accreditation
CCNE
Location
Online
Prerequisite
RN Required

Enrollment: Nationwide, excluding CT, ND, NY and RI. Certain programs have additional state restrictions. Check with Walden for details.

Grand Canyon University

GCU's College of Nursing and Health Care Professions has a nearly 35-year tradition of preparing students to fill evolving healthcare roles as highly qualified professionals.

Accreditation
CCNE
Location
Online
Prerequisite
RN Required

Enrollment: Nationwide

What is a Psychiatric Mental Health Nurse Practitioner (PMHNP)?

A PMHNP is an advanced practice registered nurse (APRN) who specializes in mental health disorders and treatments. PMHNPs treat patients suffering from mental illnesses, disorders, or substance abuse problems. They assess and diagnose patients, provide them with treatment plans, and prescribe medications.


What is a Psychologist?

Psychologists are mental health professionals who help patients with mental health disorders using talk therapy. They can provide treatment, including therapy, to individuals or groups, and often use cognitive behavioral therapy.


Psychologist vs PMHNP Similarities

Psychiatric nurse practitioners and psychologists are similar in the following ways:

Illnesses and Disorders Treated

  • Anxiety
  • Depression
  • Biopolar, manic-depressive states
  • Eating disorders
  • Obsessive-Compulsive Disorder
  • Substance abuse
  • Panic disorders
  • Dementia
  • Autism
  • Schizophrenia
  • Trauma
  • Attention-deficit hyperactivity disorder

Treatment Options Offered

  • Psychotherapy 
  • Counseling

 

 

 

 

 

 

PMHNP vs Psychologist Differences

Psychiatric nurse practitioners and psychologists differ in the following ways:

PMHNP

  • Education: BSN, MSN, NP Certification, DNP
  • Treatment approaches: Medication treatment
  • Primary focus: Holistic care, medical management, including medication
  • Psychological testing: Holistic care, medical management, including medication

Psychologist

  • Education: BA/BS, PhD, or Psy.D. 
  • Treatment approaches: Cognitive behavioral therapy (CBT), humanistic therapy, or trauma-informed therapy, talk therapy 
  • Primary focus: Psychotherapy, talk therapy, psychological testing
  • Psychological testing: Specializes in administering and interpreting psychological tests

 

Popular Online Master of Science in Nursing (MSN) Programs

Sponsored
Chamberlain University

Chamberlain University is the #1 largest school of nursing with a community of more than 177,000 students, faculty, and alumni. The school offers MSN-NP programs online and has a long history of successfully delivering top quality education. Chamberlain's Commitment to Completion Grant helps RNs earn advanced degrees with savings up to $9,100.

Accreditation
CCNE
Location
Online
Prerequisite
RN Required

Enrollment: Nationwide except CT, NY, RI

Purdue Global

Whether you’re taking the first steps toward a nursing degree, seeking to advance as a nurse or want to hone your craft with specialized study, there’s a path for you at Purdue Global’s School of Nursing. Our programs were designed so that you can easily balance your lives at home and work with school - without sacrificing the rigor and cutting-edge curriculum of a quality nursing education.

Accreditation
CCNE
Location
Online
Prerequisite
RN Required

Enrollment: Nationwide, but certain programs have state restrictions. Check with Purdue for details.

Walden University

Earn your nursing degree from one of the largest nursing education providers in the U.S. Walden University’s BSN, MSN, post-master’s APRN certificate, and DNP programs are accredited by the Commission on Collegiate Nursing Education (CCNE). Get enhanced practicum support with our Practicum Pledge.

Accreditation
CCNE
Location
Online
Prerequisite
RN Required

Enrollment: Nationwide, excluding CT, ND, NY and RI. Certain programs have additional state restrictions. Check with Walden for details.

Grand Canyon University

GCU's College of Nursing and Health Care Professions has a nearly 35-year tradition of preparing students to fill evolving healthcare roles as highly qualified professionals.

Accreditation
CCNE
Location
Online
Prerequisite
RN Required

Enrollment: Nationwide

    PMHNP vs Psychologist Compared

      PMHNP Psychologist
    Salary $139,486 annually (ZipRecruiter) $94,310 annually 

    (BLS)

    Demand 35% (much faster than average) (BLS) 6% (Faster than average) (BLS)
    Requirements
    • Earn a Bachelor of Science in Nursing (BSN) degree
    • Pass NCLEX-RN
    • Become a licensed RN
    • Gain at least two years of relevant experience
    • Attend an accredited PMHNP program
    • Pass the PMHNP national certification exam
    • Complete a bachelor’s program in psychology or a related field
    • Complete an internship with a licensed professional
    • Pass the national exam for independent practice
    • Pass any state-specific exams
    • Complete an accredited doctoral degree program
    Job Responsibilities
    • Conduct comprehensive psychiatric evaluations and mental health assessments
    • Diagnose mental health disorders using clinical tools like DSM-5
    • Prescribe, manage, and monitor psychiatric medications
    • Provide psychotherapy (e.g., CBT, supportive therapy) within the scope of practice
    • Educate patients and families on diagnoses, treatments, and self-care
    • Order and interpret lab tests or diagnostic studies
    • Develop and adjust individualized treatment plans
    • Document patient care, treatment progress, and ensure regulatory compliance
    • Respond to psychiatric crises and assess risk of harm
    • When needed, refer patients to specialists or inpatient care
    • Collaborate with interdisciplinary teams (e.g., primary care, social work)
    • Participate in on-call rotations or telehealth services as required.
    • Stay current with continuing education and evolving best practices.
    • Reduce stigma through mental health awareness advocacy
    • Observe, interview, and survey patients to evaluate behavior and brain function
    • Identify and diagnose psychological, behavioral, emotional, and organizational disorders
    • Investigate and identify behavioral and emotional issues (e.g., depression and anxiety)
    • Look for patterns to better understand and predict behavior
    • Discuss test results with clients or their families. If necessary, develop treatment plans
    • Publish articles, research papers, and reports

     

    How Do I Decide Between Becoming a PMHNP vs a Psychologist?

    The paths to becoming a PMHNP and a psychologist are incredibly different. PMHNPs must first earn a BSN and become licensed RNs. While you can specialize in any field, it is essential to gain relevant bedside experience if you want to become a PMHNP.

    A vital factor to consider when choosing between becoming a PMHNP and a psychologist is “how” you want to treat your patients. PMHNPs generally treat their patients with medication, and psychologists use talk therapy. While PMHNPs may suggest their patients attend talk therapy, they are not as well-versed in it as psychologists and rarely conduct the sessions.

    Popular Online Master of Science in Nursing (MSN) Programs

    Sponsored
    Chamberlain University

    Chamberlain University is the #1 largest school of nursing with a community of more than 177,000 students, faculty, and alumni. The school offers MSN-NP programs online and has a long history of successfully delivering top quality education. Chamberlain's Commitment to Completion Grant helps RNs earn advanced degrees with savings up to $9,100.

    Accreditation
    CCNE
    Location
    Online
    Prerequisite
    RN Required

    Enrollment: Nationwide except CT, NY, RI

    Purdue Global

    Whether you’re taking the first steps toward a nursing degree, seeking to advance as a nurse or want to hone your craft with specialized study, there’s a path for you at Purdue Global’s School of Nursing. Our programs were designed so that you can easily balance your lives at home and work with school - without sacrificing the rigor and cutting-edge curriculum of a quality nursing education.

    Accreditation
    CCNE
    Location
    Online
    Prerequisite
    RN Required

    Enrollment: Nationwide, but certain programs have state restrictions. Check with Purdue for details.

    Walden University

    Earn your nursing degree from one of the largest nursing education providers in the U.S. Walden University’s BSN, MSN, post-master’s APRN certificate, and DNP programs are accredited by the Commission on Collegiate Nursing Education (CCNE). Get enhanced practicum support with our Practicum Pledge.

    Accreditation
    CCNE
    Location
    Online
    Prerequisite
    RN Required

    Enrollment: Nationwide, excluding CT, ND, NY and RI. Certain programs have additional state restrictions. Check with Walden for details.

    Grand Canyon University

    GCU's College of Nursing and Health Care Professions has a nearly 35-year tradition of preparing students to fill evolving healthcare roles as highly qualified professionals.

    Accreditation
    CCNE
    Location
    Online
    Prerequisite
    RN Required

    Enrollment: Nationwide

    FAQs


    Additional Resources

    PMHNP
    Kathleen Gaines
    MSN, RN, BA, CBC
    Kathleen Gaines
    News and Education Editor

    Kathleen Gaines (nee Colduvell) is a nationally published writer turned Pediatric ICU nurse from Philadelphia with over 13 years of ICU experience. She has an extensive ICU background having formerly worked in the CICU and NICU at several major hospitals in the Philadelphia region. After earning her MSN in Education from Loyola University of New Orleans, she currently also teaches for several prominent Universities making sure the next generation is ready for the bedside. As a certified breastfeeding counselor and trauma certified nurse, she is always ready for the next nursing challenge.

    Education:
    MSN Nursing Education - Loyola University New Orleans
    BSN - Villanova University
    BA- University  of Mary Washington

    Expertise:
    Pediatric Nursing, Neonatal Nursing, Nursing Education, Women’s Health, Intensive Care, Nurse Journalism, Cardiac Nursing 

    Read More From Kathleen
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