Pia Quimson-gue, DO

Quimson Behavioral Health is a mental healthcare practice located in Portland, Oregon, that provides in-person and tele-health services to individuals throughout the state. Led by board-certified psychiatrist Dr. Pia Quimson-Guevarra, our experienced team offers a balanced and personalized approach to mental wellness, focusing on medication management, education, and psychotherapy.

Our Approach to Mental Healthcare

We believe in empowering individuals to take control of their mental health through a collaborative, patient-centered approach. Our treatment philosophy combines evidence-based interventions with a deep understanding of the impact of social, cultural, and environmental factors on mental well-being.

Clinical Services

• Diagnosis and treatment of various mental health disorders, including:
• Anxiety disorders
• Panic disorder
• Social anxiety disorder
• OCD
• ADHD
• Depression
• Bipolar disorder
• Schizoaffective disorder
• Schizophrenia

Forensic Services

Dr. Quimson-Guevarra provides expert witness services in legal and forensic settings, offering:

• Forensic consultations and evaluations
• Consultation on mental health related issues in legal cases
• Testimony in court or other legal proceedings

Our Team

• Dr. Pia Quimson-Guevarra, DO: Board-certified psychiatrist with expertise in community and forensic psychiatry.
• Cayley Mesterheide, PA-C: Certified physician assistant specializing in psychiatry.

Our Commitment

Quimson Behavioral Health firmly believes in providing high-quality mental healthcare that empowers individuals to achieve optimal wellness. We are dedicated to creating a safe, supportive environment where clients can explore their mental health concerns, receive personalized treatment, and develop lasting skills for self-care and growth.