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Licensing & Accreditation

Brookhaven Retreat is Accredited by the Joint Commission on Accreditation of Health Organizations and is licensed by the State of Tennessee Department of Mental Health and Developmental Disabilities.


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We are a private pay treatment center and do not accept any type of insurance. Costs associated with care are the responsibility of the client.

  • Leslie Cook, MA, MA
    Program Director

    Leslie Cook, MA, MA

    Originally from Chicago, Illinois, Leslie earned a Master of Arts in Criminal Justice from Boston University and a Master of Arts in Rehabilitation Counseling from Northeastern Illinois University. Leslie has extensive training in suicidality and self-harming behaviors as well as in Dialectical Behavior Therapy (DBT), Cognitive Behavior Therapy (CBT), and Motivational Interviewing. Leslie has over 12 years of experience in the field on Mental Health and Substance Abuse including residential, outpatient, crisis, private practice, and penal settings. She has extensive experience working with Co-Occurring Disorders, Personality Disorders, Depression and Anxiety Disorders, Substance related and Addictive Disorders, Impulse Control Disorders, Psychotic