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Stephanie Lyon, DNP, APRN, FNP-C

  • Internal Medicine
  • Primary Care

Stephanie Lyon is a doctorally prepared family nurse practitioner providing comprehensive primary and post-acute care services. She collaborates with interdisciplinary teams to evaluate patients, manage acute and chronic conditions, and develop individualized treatment plans that support recovery, wellness, and long-term health.

She earned her Doctor of Nursing Practice from the University of Hawai‘i at Mānoa and brings more than 13 years of healthcare experience across military, emergency, and rehabilitation care settings. Her clinical background includes performing detailed physical assessments, diagnosing and managing complex medical conditions, prescribing therapies, and providing education focused on disease prevention and self-management. Stephanie also has experience in neurology, endocrinology, women’s health, and primary care through diverse clinical training rotations.

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My locations

  • Mount Sinai Primary Care, Walk-in Clinic and Diagnostic Center Key West

    2506 North Roosevelt Drive, Suite 103, Key West, FL 33040
    305.434.9205
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  • Profile

    Stephanie Lyon is a doctorally prepared family nurse practitioner providing comprehensive primary and post-acute care services. She collaborates with interdisciplinary teams to evaluate patients, manage acute and chronic conditions, and develop individualized treatment plans that support recovery, wellness, and long-term health.

    She earned her Doctor of Nursing Practice from the University of Hawai‘i at Mānoa and brings more than 13 years of healthcare experience across military, emergency, and rehabilitation care settings. Her clinical background includes performing detailed physical assessments, diagnosing and managing complex medical conditions, prescribing therapies, and providing education focused on disease prevention and self-management. Stephanie also has experience in neurology, endocrinology, women’s health, and primary care through diverse clinical training rotations.

    Stephanie is committed to patient-centered, evidence-based care and emphasizes strong communication, shared decision-making, and continuity of care. Her approach focuses on empowering patients and families with the knowledge and support needed to achieve optimal health outcomes.

  • Office Location

Medical School

university of hawai
University of Hawai‘I

Mānoa, HI

PLEASE NOTE: Mount Sinai’s online physician directory contains only physicians who meet certain criteria. This includes physicians who maintain offices at Mount Sinai Medical Center; Mount Sinai Aventura Emergency Room, Physician Offices, Diagnostic Center and Comprehensive Cancer Center; Mount Sinai Emergency Center and Primary & Specialty Care Hialeah, Mount Sinai Primary & Specialty Care Key Biscayne, Coral Gables, Sunny Isles Beach, Midtown, Miami Shores, Skylake, Key West, and Marathon. It also includes physicians who participate in a teaching program affiliated with the medical center and who take emergency call.

If you have any questions, please call our Physician Information Line at 305.614.9027 and a dedicated representative will assist you. Our office is open Monday through Friday, excluding holidays, from 8:30 a.m. to 5 p.m. Please contact the selected physician’s office for insurance acceptance verification and to schedule an appointment. For a full list of insurance carriers, please click HERE.

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