Advance Clinical Services, LLC

the office of therapists Nicholas Olsen, MDiv, MSW, LCSW, Miriam Corona, LPC, SAC-IT, CS-IT, and Andrea Zulkowski, MSCP, LPC, SAC-IT, "Here we grow together."
Client Portal
Offers Telehealth
Online Payments

Meet Our Therapists

Nick believes that you are the expert of your own life and excels at empowering individuals and families to move forward using humor and a no-nonsense approach. He has many years of experience helping clients with relationships, family dynamics, communication skills, and anxiety/ depression, among many others. He accepts many insurance plans. Check him out at Miriam's experiences and specialized training fall into the realm of Addiction, Medication Assisted Treatment, Trauma, Mood Disorders, Domestic Violence, Human Trafficking, Sexual Abuse, Women Issues, Life Transitions, Relationship Issues, Loss & Grief, and Self-Esteem issues. She is passionate about personal growth, coaching, and helping clients to create the life they desire. Check her out at Andrea believes that success in therapy is built upon creating a trusting, collaborative approach to developing therapeutic goals and she is dedicated to enhancing the lives of those seeking support. She diligently utilizes techniques from Motivational Interviewing, Dialectical Behavior Therapy, Cognitive Behavioral Therapy, Family Systems, Solution Focused Therapy, Multisystemic Therapy Family Integrated Transitions, and Acceptance & Commitment Therapy. With her specialized training in Addiction, Medication Assisted Treatment, Trauma, Mood Disorders, Domestic Violence, Human Trafficking, Sexual Abuse, Women Issues, Life Transitions, Relationship Issues, Loss & Grief, LGBTQiA+, and Self-Esteem issues, Andrea incorporates a conscientious approach to promoting overall healthy well-being. Check her out at Krystal is a Licensed Clinical Social Worker with five years of experience focusing on wellness and mental health as a whole body practice. for ages five and up. In my sessions, she focuses on using evidence-based techniques such as Cognitive Behavioral Therapy, Solution Focused Therapy, and a few others in order to help clients improve. She often works with clients to address trauma as well as understand behaviors caused by trauma. Her counseling style is eclectic and she works closely with patients to view them as a whole, not just mental health issues. Many of her clients have said ” I love that you consider my culture and societal issues.” She takes the time to understand that there are also environmental factors that affect our mental health. In her spare time, she likes to spend time with her family and create content that inspires people. Her favorite quote is ” Take your time, But don’t waste time” by Chadwick Boseman because time in life is truly precious and why not use it as best as we can?
Nicholas Olsen, MDiv, MSW, LCSW

"Here we grow together."

  • Anxiety
  • Depression
  • Trauma
  • Relationship Issues
  • Grief
  • Adoption
  • Spirituality and Religion
  • Behavioral Issues
  • Abandonment
  • Addiction
  • Dual Diagnosis
  • Blended Families
  • Bipolar Disorder
  • Child or Adolescent
  • Codependency
  • Domestic Abuse
  • College Mental Health
  • Communication Issues
  • Marital and Premarital
  • Divorce
  • Parenting
  • PTSD
  • Self-Harming


  • Behavioral Therapy
  • Cognitive Behavioral Therapy (CBT)
  • Family/Marital Therapy
  • Acceptance and Commitment (ACT)
  • Brainspotting
  • Christian Counseling
  • Emotionally Focused
  • Mindfulness-Based Cognitive Therapy (MBCT)
  • Motivational Interviewing
  • Narrative
  • Solution Focused Brief (SFBT)
  • Strength-Based
  • Trauma Focused
  • Positive Psychology
  • Eye Movement Desensitization & Reprocessing Therapy (EMDR)

Insurance Accepted

  • Anthem
  • Cigna
  • Medicaid
  • CCHP
  • BlueCross and BlueShield
  • Optum
  • Out of Network
  • Out of Pocket
  • UMR
  • United Healthcare
  • Aetna


  • 55-60 Minute session: $150 - $175

Old Elm Executive Park

Advance Clinical Services - Room #3

6121 Green Bay Rd. Suite 200
Kenosha, WI 53142-2931

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