Business Details
Adult Mental Health Services in Portland
Quimson Behavioral Health is a specialized mental health practice dedicated to providing comprehensive psychiatric care to adults across Oregon. Our practice combines evidence-based treatments with personalized attention to address a wide range of mental health conditions. We offer both in-person consultations at our Portland office and tele-health services to ensure accessibility for patients throughout the state. Our team includes board-certified psychiatrist Pia Quimson-Guevarra, DO, and certified physician assistant Cayley Mesterheide, PA-C, who bring extensive clinical expertise to every patient interaction. We employ a balanced treatment philosophy that integrates medication management, psychotherapy, and patient education to foster long-term wellness.Our services cover conditions such as anxiety disorders, mood disorders, and complex psychiatric diagnoses. For legal professionals, we also provide forensic psychiatry services including expert witness testimony and case evaluations. Our Portland location in Bethany Village offers convenient access for patients from surrounding communities like Beaverton and Hillsboro. We maintain rigorous professional standards through board certification with the American Board of Psychiatric and Neurology. While we do not provide crisis intervention, we work closely with emergency resources to ensure patient safety when urgent care is needed.
Services
Mental Health Evaluation
Medication Management
Cognitive Behavioral Therapy
Forensic Psychiatry
Tele-health Consultations
Anxiety Disorder Treatment
Depression Management
Psychiatric Expert Witness
Highlights and features
- We offer board-certified psychiatric expertise in both general and forensic psychiatry
- Our treatment approach integrates medication management with multiple evidence-based therapy modalities
- We provide accessible care through tele-health services across Oregon
- Our providers have specialized training in cognitive behavioral therapy and psychodynamic approaches
- We maintain proximity to major Portland suburbs like Beaverton and Hillsboro
Associations and certifications
- American Board of Psychiatric and Neurology
Services
Mental Health Evaluation
Comprehensive diagnostic evaluations for adults with mental health concerns. Our board-certified psychiatrists assess conditions like anxiety, depression, and bipolar disorder using standardized clinical tools. We develop personalized treatment plans integrating medication and therapy options.
Medication Management
Ongoing medication monitoring and adjustment for mental health conditions. We ensure optimal medication effectiveness while minimizing side effects through regular follow-up appointments. Treatment plans incorporate patient feedback and clinical best practices.
Cognitive Behavioral Therapy
Evidence-based therapy focusing on changing negative thought patterns. Our clinicians use CBT to treat anxiety disorders, depression, and trauma-related conditions. Sessions emphasize practical coping strategies and behavioral modifications.
Forensic Psychiatry
Expert psychiatric evaluation for legal cases. We provide court testimony, case analysis, and written reports for attorneys. Our forensic services maintain strict objectivity and adhere to legal standards.
Tele-health Consultations
Secure virtual appointments for Oregon residents. Our tele-health platform enables remote diagnosis and treatment planning. This service maintains the same clinical standards as in-person visits while improving accessibility.
People
Pia Quimson-Guevarra
Board-Certified Psychiatrist
Dr. Quimson-Guevarra specializes in adult psychiatry with forensic training. She graduated from Western University of Health Sciences in 2013 and completed residency at OHSU. She employs a balanced approach combining medication and multiple therapy modalities.
Cayley Mesterheide
Certified Physician Assistant
PA-C Mesterheide specializes in psychiatric evaluation and medication management. She earned her Master's from Lipscomb University and uses a holistic approach combining pharmacology with lifestyle modifications to treat diverse patient populations.
Questions
What mental health services do you offer?
We provide psychiatric evaluation, medication management, and evidence-based therapies for conditions like anxiety, depression, and bipolar disorder. Our services include both in-person and tele-health appointments.
Are you accepting new patients?
We have limited availability. New patients must join our waitlist by calling 503.832.9293 and completing an intake pre-screening process to determine fit and availability.
What insurance plans do you accept?
We accept Blue Cross Blue Shield, Regence, Moda, Providence Behavioral Health, First Health Network, Pacific Source, and Cigna. We do not accept OHP/Medicaid or Medicare plans.
Do you offer emergency services?
We do not provide crisis services. For emergencies, contact 911, a crisis line, or visit the nearest emergency room. We maintain partnerships with local urgent care centers.
What therapy approaches do you use?
Our providers employ Cognitive Behavioral Therapy, Acceptance and Commitment Therapy, Compassion-Focused Therapy, and Psychodynamic approaches tailored to each patient's specific needs.
