Diana Mousseau, LMSW, LCSW

RosevilleOnline Therapy
Verified by GLPG

Diana Mousseau is a Licensed Clinical Social Worker, that aims to give each client a safe and welcoming environment for growth and healing. She provides the opportunity to achieve personal goals, manage complex life changes, establish boundaries, and have healthier relationships. While in therapy she can help you find balance, create a support system, and find inner peace.

Diana completed her Master’s degree in Social Work at the University of Michigan and has earned certifications in perinatal depression and anxiety as well as veteran and active military care. She has over 20 years of experience in social work and counseling. She uses cognitive behavioral therapy, cognitive processing therapy, psychotherapy, and solution and grief focused counseling in order to find a treatment that meets your needs. She enjoys working with adults, couples, and families from diverse backgrounds. Diana specializes in relationship issues, blended and nontraditional families, perinatal mood disorders, PTSD, life transitions, stress management, and new or ongoing mental health diagnosis.

Accepted Insurance

  • Aetna/Cofinity
  • BCBS
  • BCN
  • Medicare
We verify your insurance benefits and will provide you with a cost estimate prior to your first session.


  • Abuse
  • Anxiety
  • Depression
  • Family Counseling
  • Grief Counseling
  • LGBTQ+ Friendly
  • Marriage & Relationships
  • PTSD
  • Stress