Senior Staff

  • IPN/DOH Consultant
    Linda Smith, RN, M.Div, CARN-AP
    (Ext. 118 • email:

    Linda L. Smith currently IPN/DOH Consultant former  Chief Executive Officer since 1988 when IPN was a newly forming Alternative to Discipline Program. For more than 20 years, as an advanced nurse practitioner specializing in addiction and mental health, Linda worked with her team to transform IPN into a comprehensive and sophisticated national model. Addressing consumer safety, nurse assistance and job retention is the primary focus of the IPN. A model used by more than a dozen other states that have developed state-wide programs, Linda is called on as a speaker and consultant for her expertise and experience with the Florida Program.

    In addition, Linda has published in many peer reviewed journals and authored two Recovery Maintenance Workbooks for Nurses which address issues specific to relapse prevention among nurses.

    Shannon Large, DNP, APRN, ANP-BC, CARN-AP
    (Ext. 135 • email:

    Dr. Shannon Large, recently joined the Intervention Project for Nurses (IPN) as its new Chief Executive Officer. Dr. Large was formerly with the University of Florida, Florida Recovery Center from 2013 to 2018, where she provided primary care medical services to adult patients with concurrent substance use and psychiatric disorders. There, she was also part of a forensic evaluation team that specialized in the assessment of impaired professionals. She additionally worked closely with the University of Florida, College of Nursing to provide preceptorship to Doctoral and Masters Level Psychiatric-Mental Health Nurse Practitioner students. Prior to joining the Florida Recovery Center, Dr. Large worked at the UF Health Dual Diagnosis Hospital, providing inpatient unit leadership as a charge nurse beginning in 2007. At UF Health, she delivered direct patient care to patients with acute detoxification and stabilization needs. Her areas of expertise include alcohol and substance use-related conditions, forensic drug testing, internal medicine and the assessment and treatment of impaired professionals.

    Dr. Large received her Doctor of Nursing Practice degree in 2013 from University of Florida and is an American Nurses Credential Center, Board Certified Adult Nurse Practitioner. She also is certified by the Addictions Nursing Certification Board as a Certified Addictions Registered Nurse in Advanced Practice. She is a member of the International Nurses Society on Addictions and has interests in promoting public safety and nursing wellness on state, national and international levels.

    Linda L. Smith, IPN/DOH Consultant (former Chief Executive Officer) introduced Dr. Large at the IPN/FNA Annual Conference stating, “IPN is very pleased to have someone with Dr. Large’s excellent skills and broad expertise as a key part of IPN’s leadership team to lead into the future. Shannon has worked with health practitioners with impairing conditions for several years doing comprehensive evaluations and interfacing with healthcare monitoring programs across the country”.

    Myrtle Greene, LMHC,CAP, ICADC
    (ext. 147 • email:

    Myrtle serves as the Chief Operations Officer at Intervention Project for Nurses. She is a Licensed Mental Health Counselor (LMHC) and Certified Addiction Professional (CAP) in the State of Florida. Myrtle is also an International Certified Addiction Counselor (ICADC) with over 18 years of addiction and mental health counseling, case management and private practice experience. Myrtle has a Master of Arts in Counseling Psychology, a Master in Rehabilitation Counseling and currently pursuing her doctoral degree in Psychology. Her clinical experience includes outpatient settings, residential dual diagnoses clinics, family services agencies and private practice. She also is a member of the American Psychological Association (APA), National Alliance on Mental Illness (NAMI) and the Florida Mental Health Counselor Association (FLMHCA).

    John C. Tanner, D.O., DipABAM, FASAM, CCFC, MRO
    (Ext. 149)

    Dr. John Tanner is one of the inaugural physicians certified by both the American Society of Addiction Medicine (1986) and the American Board of Addiction Medicine (2009), in addition to being a Clinically Certified Forensic Counselor. Dr. Tanner has worked in the addictions field since 1984 and previously served as Assistant Medical Director of the Florida PRN program. He serves on the Board of ASAM and remains actively involved in treating impaired professionals. IPN is very pleased to have Dr. Tanner on staff for his expert consultation, review of complex cases and best practices education

The mission of IPN is to ensure public health and safety by providing education, monitoring, and support to nurses in the State of Florida