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Monica Lieser

Outpatient Mental Health Professional



Western Michigan University - Master of Arts in Marriage and Family Therapy

Areas of Experience
  • Anxiety
  • Chronic Pain & Medical Issues
  • Couples Therapy
  • Depression
  • Divorce
  • Family Therapy
  • Grief & Loss
  • LGBTQIA+ Affirming
  • Life Transitions
  • Parenting
  • Sex Addiction

More About Monica Lieser

Clinical Interests:

Monica’s clinical experience includes individual therapy as well as couple and family therapy in the areas of, but is not limited to, anxiety and depression issues, grief/loss, sexuality, and life transitions. She specializes in couple and family therapy including communication skills, intimacy and sexuality, parenting, infidelity, sexual addictions, and healthy relationship skills.


Monica loves gardening, book club, and folk rock music. She is passionate about raising her children to be kind persons and “outside of the box” thinkers.

Clinic Contact Info

O’Fallon Clinic

801 South Woodlawn Avenue, Suite 15
O'Fallon, MO 63366

(636) 379-1779