Matthew J. Siekkinen
Last updated: Dec 8, 2025

Matthew J. Siekkinen

  • Gender: Male
  • Sole propriator: No
  • NPI: 1003308768

Matthew J. Siekkinen

Social Worker

He is located at 239 Hillsdale Avenue in Greencastle, IN 46135. Can help patients with the following: Anger Management, Life Transitions, Obsessive Compulsive Disorder (OCD), Posttraumatic Stress Disorder (PTSD), School Issues, Separation Anxiety Disorder. His National Provider Identifier (NPI) number is 1003308768. Appointment can be made via the phone number (765) 653-1024.

Conditions treated

Matthew J. Siekkinen, being an social worker, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Matthew J. Siekkinen.

  • Anger Management
  • Anxiety
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Bipolar Disorder
  • Career Counseling
  • Child Abuse
  • Compassion Fatigue
  • Depression
  • Dialectical Behavior Therapy (DBT)
  • EMDR
  • Eating Disorder
  • Emotional Eating
  • Family Conflict
  • Gender Identity
  • Grief
  • Infertility
  • Infidelity
  • Isolation
  • Life Coaching
  • Life Transitions
  • Loss, Grief, and Bereavement
  • Mental Illness
  • Obesity
  • Obsessive Compulsive Disorder (OCD)
  • Online Therapy
  • Parenting
  • Posttraumatic Stress Disorder (PTSD)
  • Rape and Sexual Assault
  • Relationship Issues
  • School Issues
  • Self-Esteem
  • Self-Harming
  • Separation Anxiety Disorder
  • Sleep Disorders
  • Spirituality and Religion
  • Stress
  • Trauma

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Questions & Answers

Where can you meet with Matthew J. Siekkinen?

Matthew J. Siekkinen's office is located at 239 Hillsdale Avenue in Greencastle, IN 46135.

What conditions does Matthew J. Siekkinen treat?

Matthew J. Siekkinen provides treatment for Anger Management, Life Transitions, Obsessive Compulsive Disorder (OCD), Posttraumatic Stress Disorder (PTSD), School Issues, Separation Anxiety Disorder. For the full list see this list.

Does Matthew J. Siekkinen accept insurance?

Unfortunately we don't have any information if Matthew J. Siekkinen accepts insurance.