Pia Quimson-Guevarra, DO

Pia Quimson-Guevarra, DO

​Dr. Pia Quimson-Gueverra is a physician practicing in the greater Portland Metropolitan Area. Her Forensic Psychiatric practice includes the entire Pacific Northwest and nationally, as needed.

Dr. Quimson-Guevarra’s Board-Certifications, training, credentials, media and publications are available below and in the downloadable CV.

Licenses & Certifications

Oregon Medical License, #DO179697

Board Certification in Psychiatry, American Board of Psychiatry and Neurology, #73318 (Granted 2017)

Board Certification in Forensic Psychiatry, American Board of Psychiatry and Neurology, #2495 (Granted 2019)

Oregon Forensic Evaluator Certificate

Clinical and Forensic Practice

Quimson Behavioral Health. Clinical practice, patient care, Adult and Forensic Psychiatry, Private Practice (2019- Present)
Cascadia Behavioral Health, Adult and Forensic Psychiatrist (2017-Dec 2021)
  • Outpatient psychiatric care to patients in the forensic assertive community treatment (FACT) program.
  • Outpatient psychiatric care at an urgent-care walk-in clinic
Columbia Care, Outpatient Psychiatrist (2017-2018)
  • Telemedicine and in-person outpatient psychiatric care; settings included community clinics and supported housing
Cedar Hills Hospital
  • Jackson & Coker, Psychiatrist, On-Call (2017-2018) Cedar Hills Hospital, inpatient psychiatric care

Forensic Psychiatry Experience in Fellowship

Forensic Psychiatry Fellowship, Oregon Health and Science University (2018-2019)

Emphasis:  Law and the Legal Process, Criminal Forensic Psychiatry, Civil Forensic Psychiatry, Special Issues in Forensic Psychiatry, Landmark Cases.

There are fewer than 50 Forensic Psychiatry Fellowships in the United States, each with 2 spots available to Psychiatrists. Dr. Quimson-Guevarra was accepted into the OHSU Fellowship, which is highly regarded and the only such program in the Pacific Northwest.

  • Washington County Jail, Multnomah County Detention Center, and Oregon Department of Corrections, telepsychiatry and forensic
  • Washington County Mental Health Court Consultation
  • Willamette University Law School (see also, Presentations)
  • Oregon State Hospital Forensic Evaluations


Quimson-Guevarra P, Mobbs K. Need for Representation in a Pro Se Case. J Am Acad Psychiatry Law. September 2019 47:385-387.
Quimson-Guevarra, Pia, Jones TG. Post-Atkins Determination of Intellectual Disability in a Death Penalty Case in Oregon. Journal of The American Academy of Psychiatry and the Law. September 2016 44:394-396.

Education and Medical Residencies

Oregon Health and Science University (2013-2017)

Psychiatry Residency. Inpatient and Outpatient General Psychiatry, Psychiatry Treatment, OHSU (2013-2017)

Focus: Psychiatry Patient-Care with additional: Pharmacology, Community/Public Psychiatry, Women’s Mental Health, Forensic Psychiatry, Child Psychiatry, Cultural Psychiatry, Neuroscience, Psychotherapy, Evidence-Based Medicine, Leadership in Medicine, and Quality improvement in standard of care.

Resident, Psychiatry Patient-Care
  • Inpatient general psychiatry, Oregon Health and Science University Hospital, and Portland Veterans Administration (VA)
  • Outpatient psychiatry, OHSU, and Portland VA
  • Inpatient consult-liaison psychiatry, OHSU and Portland VA
  • Child psychiatry consultation, OHSU
  • Outpatient addiction psychiatry, Portland VA
  • HIV psychiatry, Portland VA
  • Telepsychiatry/rural mental health, Portland VA
  • Sleep medicine, Portland VA
  • Community psychiatry with mental health intensive case management team (MHICM), Portland VA
  • Community psychiatry with assertive community treatment team (ACT), Central City Concern, a non-profit providing health care to underserved populations for patients impacted by homelessness, poverty and/or addiction
  • Forensic psychiatry elective on the forensic evaluation service, Oregon State Hospital
  • Neurology, Portland VA
  • Inpatient internal medicine, Portland VA
  • Integrated primary care, Portland VA, and OHSU
  • Integrated primary care, Portland VA, and OHSU
  • Emergency medicine and Emergency Psychiatry, OHUS, and Portland VA.
Western University of Health Sciences
School of Osteopathic Medicine (2009-2013) Doctor of Osteopathic Medicine (DO, Medical Degree)
University of California, Berkeley
Bachelor of Science Degree in Nutritional Sciences,(2002-2006) Emphasis on Physiology and Metabolism


Testamentary Capacity

Willamette University College of Law (10/2018)

Career Panel for Forensic and Criminal Psychology
Symposium, Lewis and Clark College (2/2019)

Didactic Psychopharmacology Presentations for 1st year OHSU psychiatry Residents, 2016-2017

  • Treatment of Bipolar Disorders
  • Treatment of Anxiety Disorders
  • Psychiatric Drug-Drug Interactions
  • Journal club presentation for OHSU adult psychiatry training program (8/2016)
  • Applebaum PS. Assessment of Patients Competence to Consent to Treatment. N Engl J Med 2007; 357:1834 40.
Common Factors in Psychotherapy
Presentation to 2nd year OHSU Psychiatry Residents (7/2016)
Global Mental Health
Expert Hour to OHSU Adult Psychiatry training program (4/2016)
Evaluation of Consult and Liaison Service

Consult and Liaison Service rotations for OHSU Adult Psychiatry training program, Education Performance Committee (EPC) (8/2015)

Animal-Assisted Therapy
14th Course of Academic Development of Psychiatry (CADP) (3/2015)
Mortality and Morbidity (M&M)

Conference for OHSU Adult Psychiatry training program (4/2014)

Honors and Awards

Oregon Psychoanalytic Center (OPC) Diversity Scholarship (9/2016)
To increase underrepresented populations in psychoanalysis; awarded a scholarship to OPC fundamentals course.
University of California, Berkeley
University of California, Berkeley Graduation with Distinction (Top 10% of Graduating Class) (2006)

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