Joe Nelson

Marcus Lines, M.Psy. Clinician-Bethesda

Marcus Lines is a clinical extern practicing under the supervision of Dr. Kathleen Musslewhite, Psy.D. He provides individual psychotherapy to children, adults, and older adults, as well as couples therapy. Marcus employs a primarily insight-oriented approach, helping clients uncover underlying internal processes and explore external factors that contribute to their current difficulties. This integrative process, combined with necessary behavioral interventions, aims to facilitate healing and support clients in living out their personal vocations with greater clarity and freedom. With advanced training in the integration of faith, philosophy, and psychological practice, Marcus brings a holistic perspective to his clinical work. He is attentive to the spiritual and existential dimensions of psychological well-being and is able to thoughtfully incorporate matters of faith into the therapeutic process for clients who desire it.

  • Primary: Adults & Older Adults, Anxiety, Depression, Relationship Issues
  • Secondary: Assessments (Educational, Personality, Vocational), Children (5-10 yrs), Couples/Marital, Sex & Pornography Addiction, Trauma/PTSD
  • Treatment Orientation: CBT, Child Centered Play Therapy (CCPT), Integrative, Interpersonal, Psychodynamic Therapy, Relationship Enhancement Therapy (RE)

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