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Quimson Behavioral Health


Adult Mental Health Services

Board-Certified in Psychiatry and Forensic Psychiatry


Seeking Balance

Quimson Behavioral Health employs a balanced treatment approach which can include medications, education and talk therapy. 

Image by Christophe Hautier

Patient Care

We provide diagnosis and treatment of mental health disorders, including but not limited to: 

  • Generalized Anxiety Disorder

  • Panic Disorder

  • Social Anxiety Disorder

  • Obsessive Compulsive Disorder

  • Attention Deficit Hyperactivity Disorder (ADHD)

  • Major Depressive Disorder (Depression)

  • Bipolar Disorder

  • Schizoaffective Disorder

  • Schizophrenia

Psychiatric Expert

Dr. Pia Quimson-Guevarra also provides psychiatric expert witness services, including forensic consultation and evaluation. 

Clean Bubbles


Monday - Thursday

By Appointment Only


15160 NW Laidlaw Road, Suite 240, Portland, OR 97229

Contact Us

For Non-Urgent Issues:

Phone: 503.832.9293

Fax: 503.832.9357

In Event of Medical or Psychiatric Emergency:

Please call 911 or a Crisis Line (see telephone numbers below) or go to the nearest Emergency Room for assistance. 

  • Washington County Crisis Line 503.291.9111

  • Multnomah County Crisis Line 503.988.4888 or 1.800.716.9796

  • Veterans Crisis Line 1.800.273.TALK (8255)