Your first NP or PA: supervision, incident-to, and the schedule

First, your state decides how much supervision you owe

Before anything else, know that the answer is state-specific, and it varies more than almost any other question in this cluster. A nurse practitioner's scope and any physician-collaboration requirement are set by your state's nursing board; a physician assistant's, by your state's medical board. Some states grant full practice authority with no collaborating physician; others require a written collaborative or supervisory agreement, chart co-signature at a set frequency, or geographic-proximity limits. Do not carry a rule from a neighboring state — confirm your own before you make the offer.

Behavioral-health licensing generally works this way: each state's board publishes its own requirements, and they differ, as the California, Maryland, and Oregon boards each do for the professions they license 1Ref 1California Board of Behavioral Sciences (2026).California Board of Behavioral Sciences.Example that a state licensing board publishes its own supervision and practice requirements, illustrating that behavioral-health supervision rules are set and published state by state rather than nationally.2Ref 2Maryland Board of Professional Counselors and Therapists (2026).Maryland Board of Professional Counselors and Therapists.A second-state example that each board publishes its own supervision requirements, supporting the state-by-state variation the article states early rather than presenting one state's rule as national.3Ref 3Oregon Board of Licensed Professional Counselors and Therapists (2026).Oregon Board of Licensed Professional Counselors and Therapists.A third-state example reinforcing that supervision and practice requirements are published board by board and differ, so the reader must verify their own state's authority.. The nursing and medical boards do the same for NPs and PAs. Your first, concrete step is to open your state board's page for the exact provider type you are hiring and read its supervision or collaboration section — that document, not a national summary, is what governs your obligations.

Incident-to billing puts you in the building

If you intend to bill an NP's or PA's visits under your own number, Medicare's incident-to rules attach conditions that shape your whole day. The regulation requires direct supervision — you present in the office suite and immediately available, though not necessarily in the room — an employment or contractual relationship, and services that are an integral part of a course of treatment you personally initiated and remain actively involved in — the plan of care must be one you started 4Ref 4Office of the Federal Register (2026).42 CFR 410.26 — Services and supplies incident to a physician's professional services.The incident-to conditions — direct supervision, an initiating service with a plan of care the physician started, ongoing involvement, and an employment or contractual relationship — that govern billing an NP's or PA's services under the supervising clinician..

The practical constraints that follow:

• A brand-new patient with no plan of care you initiated generally cannot be billed incident-to; you see them first.
• The direct-supervision requirement means the advanced practice provider generally cannot bill incident-to on days you are off-site.
• These are Medicare's terms; commercial payers set their own, and many do not recognize incident-to at all.

The alternative is straightforward: the NP or PA enrolls and bills under their own credentialing, which removes the presence requirement but changes enrollment and reimbursement. Decide, per payer, which visits you will bill which way before you build the schedule.

What incident-to requires, line by line

It helps to see the incident-to conditions as a checklist rather than a paragraph, because a single missed element makes the service not billable under your number. Each row below comes from the same federal regulation, and all must hold at once for a given visit 4Ref 4Office of the Federal Register (2026).42 CFR 410.26 — Services and supplies incident to a physician's professional services.The incident-to conditions — direct supervision, an initiating service with a plan of care the physician started, ongoing involvement, and an employment or contractual relationship — that govern billing an NP's or PA's services under the supervising clinician..

Because every condition is a factual claim someone could later audit, document them: the initiating visit note, the supervision arrangement, and the employment or contract record. If you cannot honestly check all four for a visit, bill it under the provider's own enrollment instead. Confirm the current details against the regulation and your Medicare contractor's guidance, since interpretation can tighten over time.

The schedule you actually have to build

Supervision is not only a billing rule; it is a calendar constraint that reshapes how you staff the week. If you rely on incident-to, the NP's or PA's billable schedule has to overlap your presence in the suite, so booking them on your off-site days forfeits that billing path for those visits. Layer on any state co-signature or chart-review cadence, and the supervising clinician's own time gets committed in advance.

Build the first weeks around the requirements, not around maximum utilization:

• Block your supervision presence into the calendar first, then schedule the advanced practice provider's incident-to visits inside it.
• Set a recurring time for chart review and co-signatures at whatever frequency your state requires.
• Watch the first-90-days dashboard for the split between incident-to visits and own-number visits, so a scheduling drift does not quietly create unbillable time.

The supervision this NP or PA needs sits alongside any supervision you already provide to pre-licensed staff, and the two are governed by different rules — do not assume one arrangement covers both.

Controlled substances add a second layer

If the NP or PA will prescribe controlled substances, a separate and equally state-dependent layer applies on top of supervision. The prescriber needs their own DEA registration, and their controlled-substance prescribing authority — including which schedules they may prescribe and whether a collaborating physician must be involved — is set by state law and can be narrower than their general scope. A service line such as ketamine therapy tightens the analysis further, because it combines controlled-substance rules with facility and clinical-protocol requirements.

Keep the mechanics in view without treating any of it as settled by this page:

• Confirm the advanced practice provider's controlled-substance authority with your state board and the DEA before they prescribe, not after.
• Some collaborative-practice states limit which schedules an NP or PA may prescribe, or require the agreement to name them.
• Prescribing rules and flexibilities change; verify the current position rather than relying on an older summary.

This is one of the places where getting the state detail wrong is a licensure problem, not just a billing one, so build the confirmation into onboarding.

Cross-state and telehealth wrinkles

If your NP or PA will see patients located in other states, the supervision question multiplies, because scope and authority are judged where the patient sits. A provider practicing across state lines has to satisfy each state's rules, and for nurse practitioners specifically there is the aprn gap: whether any compact covers nurse practitioners the way one covers registered-nurse licensure is a live question your state board answers, and it is separate from RN multistate licensure.

Before you route out-of-state visits to a new advanced practice provider, confirm three things with the relevant boards: that the provider is authorized to practice in the patient's state, that your supervisory or collaborative relationship satisfies that state's requirements, and that the payer will cover the telehealth encounter. Because these rules and any telehealth flexibilities shift, treat the answer as current-as-of the date you check it, and re-verify at renewal rather than assuming last year's position still holds.