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PMHNP Scope Of Practice

PMHNP Scope Of Practice By State: Full Practice Authority Explained

Your state decides whether you can practice and prescribe on your own license. In AANP’s full practice states, an NP can diagnose and prescribe under the board of nursing alone, with no physician agreement. Reduced and restricted states require a career-long collaborative agreement or supervision for at least one element of practice. That’s the line that matters. For telehealth, the rules where the patient is are the ones that count, and full practice authority doesn’t replace payer enrollment or business registration.

Find Your State

Go Straight To The Rules For Your State

Select a state to review PMHNP practice authority, prescribing, and collaboration requirements.

Read The State Rule Before Planning The Practice

A state category is a starting point. It isn’t the complete answer for an individual clinician, so check the details that affect the services you plan to offer and every location where you’ll treat patients.

  1. Licensure: confirm the RN and APRN credentials required for your role and population focus.
  2. Prescribing: check whether separate authority, education, registration, or an application is needed.
  3. Collaboration: determine whether a written agreement is required and whether a transition to independent authority needs Board approval.
  4. Telehealth: confirm requirements for the patient’s state rather than using the clinician’s mailing address alone.
  5. Practice and billing: handle ownership decisions, provider records, payer contracts and effective dates as separate work from the scope questions above.

If you’re already licensed and planning the business setup, use the PMHNP practice launch checklist. If you’re joining an existing group, the new provider guide covers the handoff from hiring to billing.

Reviewed September 2, 2026. HHS explains licensing across state lines.

The Framework

Full, Reduced, And Restricted Practice (AANP)

The AANP classifies every state’s NP practice environment into one of three categories. The definitions below are AANP’s own. See the AANP State Practice Environment page and its interactive map for the current classification of all 50 states, Washington, D.C., and U.S. territories.

Full Practice

Per AANP: state practice and licensure laws permit all NPs to evaluate patients; diagnose, order and interpret diagnostic tests; and initiate and manage treatments, including prescribing medications and controlled substances, under the exclusive licensure authority of the state board of nursing. AANP notes this is the model recommended by the National Academy of Medicine and the National Council of State Boards of Nursing.

Reduced Practice

Per AANP: state practice and licensure laws reduce the ability of NPs to engage in at least one element of NP practice. These states typically require a career-long regulated collaborative agreement with another health provider for the NP to provide care, or limit the setting of one or more elements of practice.

Restricted Practice

Per AANP: state practice and licensure laws restrict the ability of NPs to engage in at least one element of NP practice. These states typically require career-long supervision, delegation, or team management by another health provider for the NP to deliver patient care.

Important

The Count Of Full Practice Authority States Is Disputed And Changing

You’ll see sources say flatly that “X states” have full practice authority. Be careful with any single number. The count varies by source and moves with legislation. States pass laws, phase in transition-to-practice requirements or change classifications, and two organizations can classify the same state slightly differently at the same moment. A number that was right last year can be wrong today.

That’s why we don’t print a specific count of full practice authority states here. Go to the sources instead. The current AANP State Practice Environment map has the up-to-date classification, and your own state board of nursing is the legal authority for your license. If your practice model depends on the answer, check both. A summary isn’t enough.

What It Means Day To Day

What Full Practice Authority Means For A PMHNP

Full practice authority (FPA) means a PMHNP can practice to the full extent of their education and certification under the exclusive licensure authority of the state board of nursing, without a legally required collaborative or supervisory agreement with a physician. In practical terms, in an FPA state a PMHNP can generally:

Practice Independently

Evaluate, diagnose, and manage psychiatric patients and open and operate a practice under their own license, without a mandated physician relationship as a condition of practicing.

Prescribe On Their Own Authority

Initiate and manage treatment, including prescribing medications and, subject to the state’s rules, controlled substances, under the board of nursing’s authority. Controlled-substance and DEA requirements still apply.

Avoid A Required Collaborating Physician

Skip securing and paying for a mandated collaborative or supervisory agreement just to see patients. That’s one less recurring cost, and one less relationship your license depends on.

In reduced and restricted states, a PMHNP has to maintain the state-mandated collaborative agreement (reduced) or supervision/delegation arrangement (restricted) to practice or prescribe, at least for one or more elements of practice. The exact requirements, and which elements they touch, differ from state to state.

The Agreement

Collaborative Practice Agreements: What They Are And What They Cost

A collaborative practice agreement (CPA) is a formal, usually written arrangement between a nurse practitioner and a physician that authorizes or governs certain elements of the NP’s practice, commonly prescribing, and sometimes the broader scope of care. In reduced or restricted states, the law requires some form of this agreement (or a supervisory arrangement) for the PMHNP to practice or prescribe. State law defines what it has to contain, what it covers and how it’s documented. That varies a lot from state to state.

It Is Often A Real, Recurring Cost

When a state requires a collaborating or supervising physician, that physician usually charges for it, often a monthly or per-visit fee the two of you negotiate. Amounts vary widely by state, specialty and market. Don’t assume a figure. Budget it as a real line item, and negotiate it.

It Shapes Your Practice Structure

A required agreement means you must find, secure, and maintain a qualified collaborator, and keep the relationship in place for as long as your state requires it. Losing that collaborator can interrupt your ability to practice, so it’s a dependency to plan around.

It Interacts With Billing And Credentialing

Whether and how you have to document supervision or collaboration can affect enrollment, credentialing and how you bill. Some payers and billing arrangements layer their own supervision expectations on top of state law.

The requirement and its cost hinge entirely on your state’s classification, so it’s one of the first things to nail down before you plan a practice. In a full practice authority state you may not need a CPA at all. In a reduced or restricted state, finding and paying for the collaborator is part of your launch plan.

Do This

How To Check Your State (A 50-State Approach)

Classifications move when a bill passes, so use this process for any of the 50 states. It takes about ten minutes, and it ends at the sources that are current.

1. Start With The AANP Map

Open the current AANP State Practice Environment map and find your state’s classification (full, reduced or restricted). That tells you at a glance whether independent practice is likely available or an agreement is required.

2. Confirm With Your State Board Of Nursing

Your state board of nursing is the legal authority for your license, so read its current APRN rules on scope, prescriptive authority, controlled substances and any collaborative or supervisory requirements. The board decides what you can do. A summary doesn’t.

3. Check For Transition-To-Practice Rules

Some states grant fuller authority only after a defined period of supervised or collaborative practice hours. Confirm whether your state has a transition-to-practice requirement and where you stand against it.

4. Verify Controlled-Substance And DEA Specifics

Prescriptive authority for controlled substances can carry state-specific conditions on top of federal DEA registration. Confirm your state’s rules for the schedules you expect to prescribe in psychiatric practice.

5. If An Agreement Is Required, Price It

In reduced or restricted states, identify what the collaborative or supervisory agreement must contain and what a qualified collaborating physician will cost in your market. Build that into your plan before you launch.

6. Re-Check Before You Rely On It

Classifications and rules change with legislation. Re-verify at the AANP map and your board before you make a decision that depends on the answer, especially if you’re going off something you read months ago.

Go Deeper

Related PMHNP Resources

Scope of practice comes first, but building a practice touches credentialing, billing and setup too. The rest of our PMHNP guidance is below.

Your State, In Detail

All 50 state guides are published. Find yours in the state list below.

PMHNP Credentialing

How credentialing and payer enrollment work for psychiatric nurse practitioners. See the PMHNP credentialing guide.

How To Start A PMHNP Practice

The whole path from license to open doors. Read how to start a PMHNP practice.

PMHNP Practice Hub

The central hub for our PMHNP resources on scope, reimbursement, credentialing, and operations. Visit the PMHNP hub.

Credentialing By State

Scope decides how you can practice. Payer enrollment decides how you get paid, and Medicaid changes at the state line. See credentialing and payer enrollment by state.

Common Questions

PMHNP Scope Of Practice FAQ

How Many States Have Full Practice Authority For Nurse Practitioners?

The count is disputed across sources and changes with legislation, so we don’t publish a fixed number. The current AANP State Practice Environment map has the up-to-date classification, and your state board of nursing has the final word on your license.

Can A PMHNP Practice Independently?

In a full practice authority state, yes. A PMHNP can generally practice and prescribe there under the board of nursing’s exclusive authority, with no required physician agreement. In reduced or restricted states, the law requires a collaborative or supervisory arrangement for at least some elements of practice.

What Is A Collaborative Practice Agreement?

It’s a formal, usually written arrangement between an NP and a physician that authorizes or governs elements of the NP’s practice, often prescribing. Reduced and restricted states require one (or a supervisory arrangement) to practice. State law defines what it has to contain.

Does A Collaborating Physician Cost Money?

Often, yes. Where a state requires a collaborating or supervising physician, that physician usually charges a negotiated fee. Amounts vary widely by state and market, so don’t assume a figure. Treat it as a real, recurring cost to budget and negotiate.

Where Is The Authoritative Source For My State’s Rules?

There are two. The AANP State Practice Environment map has the current classification, and your state board of nursing sets the binding legal requirements on your license. If a decision depends on the answer, check both.

Browse By State

PMHNP Practice Requirements By State

Each state guide covers that state’s scope of practice, prescribing and collaboration requirements.

Alaska

Full practice authority. PMHNP scope, collaboration, and prescribing in Alaska.

Arkansas

Reduced practice authority. PMHNP scope, collaboration, and prescribing in Arkansas.

Connecticut

Full practice authority. PMHNP scope, collaboration, and prescribing in Connecticut.

Delaware

Full practice authority. PMHNP scope, collaboration, and prescribing in Delaware.

Hawaii

Full practice authority. PMHNP scope, collaboration, and prescribing in Hawaii.

Idaho

Full practice authority. PMHNP scope, collaboration, and prescribing in Idaho.

Iowa

Full practice authority. PMHNP scope, collaboration, and prescribing in Iowa.

Kansas

Full practice authority. PMHNP scope, collaboration, and prescribing in Kansas.

Kentucky

Reduced practice authority. PMHNP scope, collaboration, and prescribing in Kentucky.

Maine

Full practice authority. PMHNP scope, collaboration, and prescribing in Maine.

Mississippi

Reduced practice authority. PMHNP scope, collaboration, and prescribing in Mississippi.

Montana

Full practice authority. PMHNP scope, collaboration, and prescribing in Montana.

Nebraska

Full practice authority. PMHNP scope, collaboration, and prescribing in Nebraska.

Nevada

Full practice authority. PMHNP scope, collaboration, and prescribing in Nevada.

New Hampshire

Full practice authority. PMHNP scope, collaboration, and prescribing in New Hampshire.

New Mexico

Full practice authority. PMHNP scope, collaboration, and prescribing in New Mexico.

North Dakota

Full practice authority. PMHNP scope, collaboration, and prescribing in North Dakota.

Oklahoma

Restricted practice authority. PMHNP scope, collaboration, and prescribing in Oklahoma.

Rhode Island

Full practice authority. PMHNP scope, collaboration, and prescribing in Rhode Island.

South Dakota

Full practice authority. PMHNP scope, collaboration, and prescribing in South Dakota.

Utah

Full practice authority. PMHNP scope, collaboration, and prescribing in Utah.

Vermont

Full practice authority. PMHNP scope, collaboration, and prescribing in Vermont.

West Virginia

Reduced practice authority. PMHNP scope, collaboration, and prescribing in West Virginia.

Wyoming

Full practice authority. PMHNP scope, collaboration, and prescribing in Wyoming.

Opening Your Own Practice?

Once you know your state allows the practice you want, the slow part is the business side: payer contracts, the EHR, insurance portals, EFT and ERA. First Practice Launch handles that in the right order for $6,000, or four monthly payments of $1,500, and the accounts stay in your name.

This is general information, not legal advice. Scope-of-practice laws, practice-authority classifications and collaborative-agreement requirements vary by state and change with legislation, so check current rules with the AANP State Practice Environment map and your state board of nursing before you make decisions.