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Therapist in Portland, Maine Mark Dumars, Therapist

Gender Identity: Male (He/Him)

Ages Served: 22-75+

Appointments: In-office and Online

Manages Medications: No, provides therapy only

Accepts Insurance: Yes - View accepted plans

Mark Dumars, Therapist

Mark Dumars, MA, LCPC

Specializes In:

ADHD
Attention & focus
Autism: generally independent
First responder stress
Military & veteran
See all specialties >

Mark DuMars is a dedicated psychotherapist at LifeStance Health in Maine, specializing in helping individuals navigate complex emotional and psychological challenges. With a focus on recognizing the inherent strengths and resilience within each person, Mark employs evidence-based approaches to guide clients toward rediscovering their core wellness and addressing issues such as PTSD, anxiety, and depression. Mark’s therapeutic philosophy centers on the belief that individuals often find themselves stuck in repetitive mental or behavioral loops, rather than having intrinsic problems. His approach aims to uncover and reinforce the fundamental goodness within his clients, using this as a foundation to tackle areas where they feel stagnant or overwhelmed. This method has proven effective for those dealing with a range of conditions, including bipolar disorder, borderline personality disorder, and trauma-related disorders. He brings a wealth of experience to his practice, having worked extensively with military veterans, first responders, and individuals facing significant life transitions. Mark’s unique background includes roles as a combat veteran, surgical physician assistant, and structural therapist. His work in trauma recovery spans various crises, including the aftermath of Hurricane Mitch, 9/11, and the Boston Marathon bombing. This diverse experience has honed his ability to address complex trauma and substance abuse issues with a compassionate and informed perspective. In addition to his clinical expertise, Mark incorporates mindfulness and spiritual counseling into his practice, offering clients a holistic approach to healing. His use of Acceptance and Commitment Therapy (ACT) and Cognitive Behavioral Therapy (CBT) provides clients with practical tools to manage their mental health effectively. Outside of his professional life, Mark enjoys spending time with family, engaging in meditation, and pursuing woodworking. His hobbies reflect a deep appreciation for both creativity and reflection, complementing his commitment to fostering resilience and growth in his clients. Serving the Maine community, Mark DuMars continues to offer empathetic and comprehensive care, dedicated to helping individuals reclaim their strength and well-being.

Types of Care & Ages Served

Areas of Focus

Individual Therapy

Get help addressing challenges and improve well-being with a clinician's guidance.

  • ADHD
  • Attention & focus
  • Autism: generally independent
  • First responder stress
  • Military & veteran
  • Anger issues
  • Anxiety
  • Bipolar Disorder
  • Depression/feeling down
  • Grief & loss
  • Intense mood changes
  • Men's health/issues
  • Panic attacks
  • Religion & spirituality
  • Self-esteem
  • Sexual trauma
  • Social skills & communication
  • Stress from ongoing health issues
  • Stress management
  • Trauma & PTSD

Languages

  • English
  • Spanish

Education

  • Naropa University

FAQs

Please call us at 207-828-4026 to schedule an appointment with Mark Dumars.

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See what our patients are saying about Dal Dumars

My therapist is great so far. He managed to keep me focused and on topic without being overtly rude or aggressive. I would definitely recommend Mark if you're looking for a good counselor
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loki221133

loki221133

May 05, 2026
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Excellent experience
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Kathleen S.

Kathleen S.

Dec 22, 2025
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Excellent experience
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Jessica L.

Jessica L.

Jan 02, 2025
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