Can a Nurse Practitioner Prescribe Medication in Illinois?

Yes, a nurse practitioner can prescribe medication in Illinois. State law gives advanced practice registered nurses two routes to prescriptive authority: working under a written collaborative agreement with a physician, or qualifying for full practice authority after logging 4,000 clinical hours and 250 hours of continuing education past national certification. Both routes allow prescribing in Schedules II through V, but controlled substances require extra licenses, and Schedule II drugs carry restrictions that apply no matter which pathway the NP uses.

The Two Pathways to Prescribing

Under the traditional model, an NP enters into a written collaborative agreement with a physician who delegates prescriptive authority. This is the default for any Illinois NP who has not yet qualified for independence. The agreement describes the categories of care the NP will provide and specifies which medications the physician is delegating authority to prescribe. An employment relationship between the NP and the physician is not required.¹

The second route is full practice authority (FPA). An NP qualifies by filing a notarized attestation with the Illinois Department of Financial and Professional Regulation (IDFPR) showing at least 4,000 hours of clinical experience and 250 hours of continuing education or training, both earned after national certification. The clinical hours must be in the NP’s area of certification and performed in collaboration with a physician. Once FPA is granted, the regular APRN license goes inactive and is replaced by an FPA license.²

Before prescribing anything under either pathway, an NP must have completed at least 45 graduate-level contact hours in pharmacology.³

What a Collaborative Agreement Covers

The collaborating physician must file notice of the delegation of prescriptive authority with both IDFPR and the Prescription Monitoring Program. Any document listing prescribed controlled substances must identify the specific drugs the NP is authorized to prescribe. A signed copy of the agreement must be available to IDFPR on request and kept on file at every site where the NP practices.⁴

When no employment relationship exists, Illinois law bars the agreement from restricting certain parts of the NP’s practice. The agreement cannot limit the types of patients the NP sees (within the NP’s training), restrict which insurers or government programs the NP participates in, or confine the NP to a specific geographic area within Illinois.¹

If the agreement ends, the physician must notify IDFPR and the PMP. The NP does not have to stop seeing patients right away. Illinois law lets an NP continue practicing for up to 90 days after a collaborative agreement ends, provided the NP seeks collaboration at a local hospital when needed and refers patients who require care beyond the NP’s training to a physician or other provider.¹

What Full Practice Authority Changes

An FPA NP can prescribe and practice without a collaborative agreement on file. The one carve-out involves the highest-risk drugs: an FPA NP who prescribes Schedule II narcotics (primarily opioids) or benzodiazepines must still maintain a consultation relationship with a physician, discuss those patients at least monthly, and record the consultation relationship in the Prescription Monitoring Program. That consultation relationship, however, does not have to be filed with IDFPR the way a collaborative agreement does.²

FPA NPs are also not required to include a physician’s name on prescriptions. The statute explicitly says nothing in the FPA provisions requires a physician name on prescriptions written by an FPA NP, including those for Schedule II narcotics and benzodiazepines where a consultation relationship exists. By contrast, an NP working under a collaborative agreement must include the collaborating physician’s name on every prescription, though no physician signature is required.⁵

Controlled Substance Licenses

An APRN license alone does not authorize controlled substance prescribing. Two more credentials are required. The NP must obtain an Illinois mid-level practitioner controlled substance license from the Department of Human Services. The application calls for an active, good-standing APRN license number, the collaborating physician’s license and controlled substance license numbers, and the specific schedule of controlled substances the NP is authorized to prescribe.⁶ The NP also needs a federal DEA registration. Without both, prescribing any controlled substance is illegal.⁷

FPA NPs follow a slightly different track. Because they no longer have a collaborating physician filing a delegation notice, they apply for a practitioner-level controlled substance license rather than a mid-level one.⁸

Schedule II: The Tightest Rules

Schedule II drugs include opioids like oxycodone, stimulants like amphetamine, and other high-risk medications. The route to Schedule II authority runs through the collaborative agreement or consultation relationship, and the restrictions apply regardless of pathway.

For an NP under a collaborative agreement, a physician may delegate Schedule II prescriptive authority only under these conditions:

Oral, topical, or transdermal routes only; injectable Schedule II drugs and other non-oral routes cannot be delegated.
Each Schedule II substance must be named in the agreement by brand or generic. No blanket Schedule II authority exists.
Prescriptions are capped at a 30-day supply. Continuing beyond 30 days requires the collaborating physician’s prior approval.
The NP must discuss any patient receiving a Schedule II controlled substance with the collaborating physician at least once a month.
The delegated substances must be medications the collaborating physician routinely prescribes.

⁴⁹

FPA NPs can prescribe Schedule II through V without a collaborative agreement for most medications, but for Schedule II narcotics and benzodiazepines the consultation relationship is required. The same oral, topical, or transdermal restriction applies, and injectable Schedule II drugs remain off-limits. Monthly discussion of these patients with the consulting physician is required, and the consultation relationship must be recorded in the PMP.²

One rule applies to every prescriber in Illinois, not just NPs: no prescription for a Schedule II controlled substance may be refilled. Every nonelectronic Schedule II prescription must also include both a written and numerical notation of the quantity on the face of the prescription.⁹

Checking the Prescription Monitoring Program

Illinois requires prescribers to check the Prescription Monitoring Program before writing an initial prescription for Schedule II narcotics like opioids. The point is to verify whether the patient is already receiving controlled substances from other providers. The PMP check must be documented in the patient’s medical record.¹⁰

Three situations are exempt from the PMP consultation requirement: prescriptions related to oncology treatment, palliative care, and prescriptions for a seven-day or shorter supply provided by a hospital emergency department for an acute traumatic condition.¹⁰

Prescribing by Telehealth

An NP prescribing controlled substances through telehealth must comply with federal DEA rules in addition to Illinois law. The federal framework turns on whether the patient has ever had an in-person visit with the prescriber. Once a patient has been seen in person, the NP can prescribe any medication via telehealth indefinitely without additional restrictions.¹¹

Without a prior in-person visit, the rules vary by drug schedule. A patient can receive up to a six-month supply of buprenorphine for opioid use disorder through a telephone consultation, but further prescriptions require an in-person visit. For Schedule III through V controlled substances, a DEA Special Registration allows prescribing via telehealth without any prior in-person evaluation. Schedule II medications prescribed via telehealth to new patients require an Advanced Telemedicine Prescribing Registration and are limited to board-certified practitioners in psychiatry, hospice care, long-term care, and pediatrics.¹¹

What Happens When the Rules Are Broken

IDFPR has broad authority to discipline NPs who violate prescriptive authority rules. Available sanctions include license revocation, suspension, probation, reprimand, refusal to renew, and fines of up to $10,000 per violation. Exceeding the terms of a collaborative agreement or the prescriptive authority delegated by a collaborating physician is specifically listed as a ground for disciplinary action. Practicing without a valid license can result in a civil penalty of up to $10,000 per offense.¹²

The common compliance failures follow a predictable pattern: prescribing outside the scope of a collaborative agreement, failing to maintain proper documentation, letting CE hours lapse, or not checking the PMP when required. IDFPR can request copies of collaborative agreements and prescription records at any time, and a clean documentation trail is usually what separates a resolved inquiry from a formal investigation.

1
Illinois General Assembly. Illinois Compiled Statutes 225 ILCS 65/65-35 – Written Collaborative Agreements
2
Illinois General Assembly. Illinois Compiled Statutes 225 ILCS 65/65-43 – Full Practice Authority
3
American Medical Association. State Law Chart – Nurse Practitioner Prescriptive Authority
4
Justia. Illinois Compiled Statutes 225 ILCS 65/65-40 – Written Collaborative Agreement; Prescriptive Authority
5
Illinois Department of Financial and Professional Regulation. Advanced Practice Nurse Controlled Substance License User Guide
6
Cornell Law School. Illinois Administrative Code Title 77, Section 3100.85 – Application for Mid-Level Practitioner Controlled Substances License
7
Cornell Law School. Illinois Administrative Code Title 68, Part 1300, Subpart E, Exhibit A – Sample Written Collaborative Agreement
8
Cornell Law School. Illinois Administrative Code Title 68, Section 1300.465 – Full Practice Authority
9
Illinois General Assembly. Illinois Compiled Statutes 720 ILCS 570/303.05 – Advanced Practice Registered Nurse Authority
10
Illinois General Assembly. Illinois Administrative Code Title 77, Part 2080 – Electronic Prescription Monitoring Program
11
United States Drug Enforcement Administration. DEA Announces Three New Telemedicine Rules that Continue to Open Access to Telehealth Treatment while Protecting Patients
12
Illinois General Assembly. Illinois Compiled Statutes 225 ILCS 65/50-20 – Unlicensed Practice; Violation; Civil Penalty