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    Whatever It Takes
    to help you feel well, recover your health, and improve your relationships.

    Group 406
    ROOT CAUSE PSYCHIATRY

    We want to help you feel better.

    Have you ever felt like you must put on a brave face for the world, when inside you are suffering deeply? We want you to know: it’s okay to not feel okay. We will listen to your concerns, never dismiss them, and work hard to understand and resolve them. Whether you or your family member have been in emotional pain for days, weeks, or years, our caring team is dedicated to helping you feel better, for good.

    Using cutting-edge techniques to heal your deepest pain...

    Your mental health is not “all in your head”... far from it. In fact, a symphony of interconnected elements—your genes, gut health, immune system, environment, and even childhood experiences—come together to create and re-create a sense of emotional health or illness.

    At Potomac Psychiatry, we utilize cutting-edge diagnostic tools to fine-tune each of these elements to help you recover your health.
    Genetic Testing

    Your genome impacts your mental health. Thanks to advanced genetic testing, we can map out new possibilities.

    Nutritional Psychiatry

    The body and mind are intimately related. Our experts make the most of this connection to restore your hope.

    Medication Management

    We use precision medicine to avoid a trial-and-error approach to medication and select the best choice for your condition.

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    Our Team

    When it comes to healing you or your loved one’s mental health, trust is everything. For over four decades, our award-winning clinicians have partnered with patients on their journey to wellness.
    It would be our honor to be entrusted with your care as well.
    Bruce A. Kehr, M.D.
    Bruce A. Kehr, M.D.
    Root Cause Psychiatry; Psychotherapy with Senior Executives, Physicians, and Attorneys
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    Barbara E. Kehr, LCSW
    Barbara E. Kehr, LCSW
    Psychotherapy
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    Guillermo Portillo, M.D.
    Guillermo Portillo, M.D.
    Adult and Forensic Psychiatry
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    Walker Lyerly, IV, M.D.
    Walker Lyerly, IV, M.D.
    Child, Adolescent, and Adult Psychiatry
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    John Carr, M.D.
    John Carr, M.D.
    Adult and Addiction Psychiatry
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    Marlena M. Wu, Psy.D.
    Marlena M. Wu, Psy.D.
    Psychotherapy, Psychological Assessments, ADA Accommodations
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    Krystal M. Lewis, Ph.D.
    Krystal M. Lewis, Ph.D.
    Child and Adolescent Assessmentsand ADA Accommodations
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    Paulo J. Negro, M.D., Ph.D.
    Paulo J. Negro, M.D., Ph.D.
    Addiction Psychiatry and EMDR
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    Julie Wendt, MS, LN, CNS
    Julie Wendt, MS, LN, CNS
    Licensed Clinical Nutritionist; Certified RECODE and Gut Healing Specialist; Root Cause Psychiatry
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    Margery Johnson, M.D.
    Margery Johnson, M.D.
    Child, Adolescent, and Young Adult Psychiatry
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    Rene Stokes, M.D., M.P.H.
    Rene Stokes, M.D., M.P.H.
    Child, Adolescent, and Adult Psychiatry; Root Cause Psychiatry
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    Chuck M. Ng, D.O.
    Chuck M. Ng, D.O.
    Developmental-Behavioral Pediatrician
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    "My psychiatrist has always been very quick to respond no matter what I have needed from him or if I’ve needed to speak to him outside a scheduled appointment. The office staff is always extremely helpful and kind. Very organized and well run. Best practice I’ve ever been a part of! Would give a 10 star review if I could."

    Christine M.

    "I have only had positive experiences at Potomac Psychiatry. The staff is friendly and helpful and my psychiatrist is amazing. They are quick to respond when I have a question or concern. I feel like I'm finally getting the help I've been needing."

    Tiffany E.

    "I’ve been with this practice now for about 5-1/2 years and I must say... my doctor I see has gone well above and beyond to help whenever I’ve been in a bind. Thanks to you all at Potomac Psychiatry!" 

    Christopher R.

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