How to Start an NP Practice in Illinois: Full Practice Authority After 4,000 Hours

By Jody Mitchell, MD | August 15, 2025

An NP colleague in Chicago was three years into her career when she called me, excited about opening her own clinic. She had heard Illinois was a full practice authority state and assumed she could hang a shingle immediately. What she did not realize was that Illinois requires 4,000 hours of collaboration and 250 hours of continuing education before an NP can practice independently -- and the documentation requirements are more demanding than most people expect.

An NP colleague in Chicago was three years into her career when she called me, excited about opening her own clinic. She had heard Illinois was a full practice authority state and assumed she could hang a shingle immediately. What she did not realize was that Illinois requires 4,000 hours of collaboration and 250 hours of continuing education before an NP can practice independently -- and the documentation requirements are more demanding than most people expect.

She was crushed. She had already started looking at office space in Lincoln Park and had told her employer she was leaving. We spent an hour on the phone that evening walking through the actual pathway, and the good news was that she was closer than she thought. She had been practicing for three years at a federally qualified health center under a collaborating physician. She had about 5,200 clinical hours already. The problem was not the hours -- it was the documentation and the 250 CE hours she had not started accumulating in the specific categories Illinois requires.

Six months later, she opened her doors. But those six months of preparation made the difference between a smooth launch and the kind of regulatory scramble that costs people tens of thousands of dollars.

Illinois is genuinely one of the best states for NPs who want to own and operate independent practices. But the pathway has specific gates, and if you do not clear each one in the right order, you will stall. This guide walks through every step.

Understanding Illinois Practice Authority: The Two-Phase Model

Illinois updated its Advanced Practice Registered Nurse Act in 2017 (Public Act 100-0513), creating one of the more thoughtful frameworks in the country. The model has two distinct phases.

Phase 1: Collaborative Practice. Every NP in Illinois starts here. During this phase, you must practice under a written collaborative agreement with a physician. The agreement must specify the scope of your practice, the categories of c