Can a nurse practitioner (NP) prescribe medications in Missouri (MO)?

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Last updated: November 7, 2025View editorial policy

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Nurse Practitioner Prescriptive Authority in Missouri

Yes, nurse practitioners can prescribe medications in Missouri, but they must do so under a collaborative practice agreement with a physician—Missouri does not grant full independent prescriptive authority to NPs.

Legal Framework in Missouri

Missouri operates under a restricted scope of practice model for nurse practitioners regarding prescriptive authority 1. This means:

  • NPs cannot prescribe independently without physician oversight 1
  • A collaborative practice agreement with a physician is mandatory for prescribing activities 2, 3
  • Both practice authority and prescriptive authority require physician supervision in Missouri 2, 1

Prescribing Categories

Controlled Substances

  • NPs can prescribe controlled substances when authorized under their collaborative practice agreement 4
  • The collaborative agreement must specifically delineate which controlled substances the NP may prescribe 4
  • This authority enhances flexibility and timeliness in primary care delivery 4

Non-Controlled Medications

  • Standard prescription medications can be prescribed within the scope defined by the collaborative practice agreement 2, 3
  • The supervising physician must be available for consultation 2

Key Requirements

Collaborative Practice Agreement Must Include:

  • Specific medications the NP is authorized to prescribe 4
  • Protocols for physician consultation 2
  • Scope of prescriptive authority boundaries 1

Common Pitfalls to Avoid

  • Do not prescribe outside your collaborative agreement scope - this violates Missouri law and puts your license at risk 1
  • Ensure your supervising physician is properly credentialed and the collaborative agreement is current 2
  • Document all prescribing decisions and consultations with your collaborating physician 4
  • Verify DEA registration requirements for controlled substance prescribing under your collaborative agreement 4

Clinical Implications

Research demonstrates that NP prescriptive authority does not compromise quality or safety when properly implemented 2. Studies show that scope of practice expansions for NPs with prescriptive authority:

  • Do not increase potential for abuse or misuse of prescriptive authority 2
  • Improve access to care, particularly in physician-underserved areas 3
  • Decrease healthcare costs while maintaining quality 4

However, in Missouri's restricted model, these benefits are achieved within the physician supervision framework 1.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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