Therapist in Lisle, Illinois Marina Cotsilis, Therapist

License: LSW

Provider Gender: Female

Ages Served: 6-65+

Appointments: In-office and Telehealth

Manages Medications: No, provides therapy only

Therapist in Lisle, Illinois Marina Cotsilis, LSW

Marina Cotsilis, LSW

Marina Cotsilis is a Licensed Social Worker in Illinois with a profound history of clinical experience and a compassionate approach to therapy. With a Master of Social Work from the University of Denver and dual Bachelor’s degrees in Fine Art Photography from Columbia College Chicago and Clinical Psychology from Loyola University of Chicago, Marina combines creativity with clinical expertise in her therapeutic practice. Marina’s professional journey encompasses a diverse range of experiences across various healthcare settings, including adult and pediatric inpatient and outpatient care, medical surgeries, and psychiatric care. Her extensive background equips her to address a wide spectrum of mental health concerns and life challenges encountered by individuals of all ages. Marina’s expertise extends to specialized areas such as sports performance, traumatic brain injury (TBI), neurodiversity, personality disorders, eating disorders, and trauma-informed care.

She employs a tailored approach to therapy, drawing from modalities such as play therapy, creative expression through art and music, as well as evidence-based practices like Dialectical Behavior Therapy (DBT), Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT), and exposure therapy. This diverse toolkit enables Marina to adapt her therapeutic interventions to meet the unique needs of each client, fostering healing and personal growth. Central to Marina’s therapeutic philosophy is the establishment of a safe, empathetic, and serene environment where clients feel deeply heard and valued. Her commitment to creating a nurturing space for healing is reflected in her holistic approach to therapy, which encompasses the physical, emotional, and psychological well-being of her clients.

Beyond her professional endeavors, Marina leads an active and fulfilling life characterized by her passions for endurance cycling, completing two Iron Man races, and exploring the world through travel. Her dedication to volunteer work with organizations such as the Special Olympics underscores her belief in the power of community engagement and support.

In her leisure time, Marina finds solace in literature, music, and outdoor adventures with her beloved companion, Ella. Through her unwavering commitment to her clients’ well-being and her holistic approach to life, Marina embodies the essence of holistic healing and personal empowerment.


Insurances Accepted

  • Aetna
  • Blue Cross Blue Shield (BCBS)
  • ComPsych
  • Duly Health and Care (DuPage)
  • Evernorth (Cigna)
  • MediNcrease Health Plans (MHP)
  • Optum (UnitedHealthcare)
  • Zelis (HFN Network Solutions)


  • Acceptance and Commitment Therapy (ACT)
  • Cognitive Behavioral Therapy (CBT)
  • Couples/Marital Counseling
  • Dialectical Behavior Therapy (DBT)
  • Exposure Therapy
  • Family Therapy
  • Gender-Affirmative Medical Readiness Evaluations
  • Mindfulness


  • Autism Spectrum Disorders
  • Developmental Disabilities
  • First Responders
  • Head Injuries
  • LGBTQ+
  • Women


  • English



Please use our online form to schedule an appointment with Marina Cotsilis. You can also call 630-328-0118 to have someone assist you.

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