Direct access. Personal guidance. Treatments that work.
Nationwide concierge psychiatry delivering holistic medication management, therapy, coaching, and case management for patients and families.
Meet Dr. Nissen
Harvard Medical School, Chief Resident, Student Mental Health
Harvard Medical School, Psychiatry Residency
Brown University Alpert Medical School, Doctor of Medicine (M.D.)
University of Notre Dame, Bachelor of Arts (B.A)
Dr. Nissen is a board certified psychiatrist and Diplomate of the American Board of Psychiatry and Neurology. He started his concierge clinic after seeing patients and families disillusioned with the behavioral healthcare model commonly available: brief, infrequent, med-focused visits with minimal impact. Nissen Clinic was created to provide personalized, holistic treatment to create real change.
He specializes in non-stimulant management of ADHD (e.g., non-stimulant medications, supplement and dietary changes, executive functioning skills) and root-cause anxiety treatments (e.g., exposure & cognitive therapies, neuromodulation, lifestyle changes).
Our approach
We are an outcome-driven, evidence-based clinic offering direct access to your doctor.
Our 360° comprehensive care starts with therapy and is supplemented by medical intervention and coaching.
We believe true progress comes from intensive self work. Our concierge practice makes it possible.
Specialty Areas
Non-stimulant ADHD management
Stimulants for ADHD are among the most powerful treatments in psychiatry. However, many patients desire alternative or complementary approaches due to negative side effects or unresolved symptoms. Nissen Clinic works with each patient to evaluate their situation and create a tailored plan that includes technologies, medications, lifestyle changes, and executive functioning skills to overcome ADHD.
Anxiety disorders
We heal anxiety disorders, including obsessive-compulsive disorder, generalized anxiety, social anxiety, body-focused repetitive behaviors, phobias, and insomnia. Dr. Nissen practices evidence-based therapies (e.g., exposure and response prevention, acceptance and commitment therapy, mindfulness, CBT, and CBT-I) and prescribes precision medications, when needed, to help patients create real change.
Dr. Nissen has expertise in psychedelics and interventional psychiatry, such as ketamine, Spravato, MDMA, psilocybin, and TMS. If appropriate, he can work with clients who have questions about these novel treatments.
Our services
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Therapy & Coaching
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Medication Management
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Case Management