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Forensic Psychiatrist Expert Witness and Consultant

Dr. Pia Quimson-Guevarra

Dr. Pia Quimson-Guevarra

1975 NW 167th Place
Suite 100-20

Beaverton, Oregon 97006

Phone(503) 832-9293

Website https://psychexpertwitness.com

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Dr. Pia Quimson-Guevarra is a physician Board-Certified in Psychiatry and Forensic Psychiatry by the American Board of Psychiatry and Neurology. She has expertise in psychiatric issues in civil litigation, employment matters, and criminal cases. She treats patients in her clinical practice and has extensive experience treating and assessing depression, anxiety, bipolar disorder, and severe psychotic disorders both as a treating physician and forensic consultant. Psychiatric conditions can impact judgment, clarity of thought, and even criminal responsibility. In the case of psychotic disorders, symptoms may include hallucinations and delusions. She opines about medication or drug impact on behavior.

Dr. Pia Quimson-Guevarra has conducted over 20 competency assessments: competency to stand trial and criminal responsibility evaluations. She is a certified forensic evaluator in Oregon.

Her work is divided between clinical and forensic/expert witness work. Dr. Quimson-Guevarra conducts medical and legal records review as a Forensic Psychiatrist, and medico-legal Independent Medical Evaluations by video and face-to-face, as appropriate. Her assessments are thorough and inform thoughtful and objective expert opinions issued by written report and testimony

Clinically, Dr. Quimson-Guevarra provides psychiatric patient care for a community mental health organization and in private practice in the greater Portland metro area, Quimson Behavioral Health providing clinical care, medication management, and psychotherapy, for patients who suffer from mental disorders such as anxiety, depression, ADHD, and PTSD. Her patients consist of individuals who suffer from severe and persistent mental illness. Her expertise in treatment of Bipolar Disorder and Schizophrenia is applied to patients with these medical conditions. She also treats patients that have a history that includes forensic medical-legal issues.

Previously, she has treated patients who suffered from anxiety, mood, and psychotic disorders at Cedar Hills Hospital, Multnomah County Detention Center, Washington County Jail, Snake River Correctional Institute, and the Portland Veteran's Administration.

She continues to use her expertise in psychopharmacology to treat mental health conditions, when indicated, with medication or combination of medications. As a physician, she is qualified to consider the interactions between medications for psychiatric illnesses and those for other medical conditions.

Dr. Quimson-Guevarra has served as a forensic consultant for the Washington County mental health court in Oregon. She also has worked in the forensic evaluation service department at the Oregon State Hospital where she performed competency to stand trial and criminal responsibility evaluations to patients at the Oregon State Hospital or defendants located in various jails.

Services

Dr. Pia Quimson-Guevarra provides psychiatric expert witness services, including chart review, consultation, evaluation, and expert testimony in the following topics:

Civil Litigation and Civil Matters

- Civil Commitment
- Psychiatric Disability (IMEs, Social Security Disability, Worker's Compensation, Fitness for Duty)
- Psychiatric Malpractice
- Tort Claims
- Testamentary Capacity

Criminal Cases

- Competency to Stand Trial (Aid and Assist)
- Criminal Responsibility
- Competency to Waive Miranda rights

Areas of Expertise

Additional Expertise:

Medical, Competency to Stand Trial, Psychiatrist, CTST, Fitness For Duty; Delusions; Psychiatry Standard of Care; Competency To Stand Trial, Hallucinations, psychotherapy, sexual misconduct, patient assault, doctor assault, boundary violation, psychology, psychological, restoration, parole, SSRI, medication, psychiatric medication, NGRI, Oregon Expert Witness

Profile

Dr. Pia Quimson-Guevarra is Board-Certified in Psychiatry and Forensic Psychiatry by the American Board of Psychiatry and Neurology. She has expertise in psychiatric issues that in civil litigation, employment matters, and criminal cases. She also has additional and extensive experience with depression, anxiety, bipolar disorder, and severe psychotic disorders both as a treating physician and forensic consultant. Psychiatric conditions can impact judgment, clarity of thought, and even criminal responsibility. In the case of psychotic disorders, symptoms may include hallucinations and delusions. She opines about medication or drug impact on behavior.

Dr. Pia Quimson-Guevarra has conducted over 20 competency assessments: competency to stand trial and criminal responsibility evaluations. She is a certified forensic evaluator in Oregon.

Her work is divided between clinical and forensic/expert witness work. Dr. Quimson-Guevarra conducts medical and legal records review as a Forensic Psychiatrist, and medico-legal Independent Medical Evaluations by video and face-to-face, as appropriate. Her assessments are thorough and inform thoughtful and objective expert opinions issued by written report and testimony

Dr. Quimson-Guevarra has a private practice, Quimson Behavioral Health, providing clinical care, medication management, and psychotherapy, for patients who suffer from mental disorders such as anxiety, depression, ADHD, and PTSD.

Dr. Quimson-Guevarra previously provided psychiatric patient care for a community mental health organization, at Cascadia Behavioral Health, a community Clinic working in an Assertive Community Treatment (ACT) team, a method to deliver an intensive level of services to patients in the local community. Her patients consist of individuals who suffer from severe and persistent mental illness. Her expertise in treatment of Bipolar Disorder and Schizophrenia is applied to patients with these medical conditions. She also treats patients that have a history that includes forensic medical-legal issues.

She also treated patients who suffered from anxiety, mood, and psychotic disorders at Cedar Hills Hospital, Multnomah County Detention Center, Washington County Jail, Snake River Correctional Institute, and the Portland Veteran's Administration.

Dr. Quimson-Guevarra continues to use her expertise in psychopharmacology to treat mental health conditions in the context of medically complex cases.

She has served as a forensic consultant for the Washington County mental health court in Oregon. She also has worked in the forensic evaluation service department at the Oregon State Hospital where she performed competency to stand trial and criminal responsibility evaluations to patients at the Oregon State Hospital or defendants located in various jails.

Areas Served

All states

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Professional Experience

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Licenses

Oregon Medical License
Oregon Forensic Evaluator Training Program Certification


Affiliations

American Academy of Psychiatry and the Law, Member and Contributor to Journal of the American Academy of Psychiatry and the Law
National Society of Collegiate Scholars (NSCS)
Oregon Psychiatric Physicians Association
American Psychiatric Association


Qualifications

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Awards & Honors

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Seminars & Training

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Publications

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. J Am Acad Psychiatry Law September 2016 44:394-396.


Professional References

References provided on request.


Education

Dr. Quimson-Guevarra completed Forensic Psychiatry Fellowship at Oregon Health and Science University (OHSU), one of fewer than 50 elite fellowships in this specialty in the United States. She studied Medicine and graduated from Western University of Health Sciences in California and received her Bachelor of Science degree from University of California, Berkeley.


Articles Published by Dr. Pia Quimson-Guevarra

Link What is a Psychiatrist’s Medico-Legal Independent Medical Examination (IME)?

What happens during a Psychiatric IME? What an attorney needs to know.

Read Article

Link Will Contest and Estate Planning Competency: The Role of a Forensic Psychiatrist

During a Will contest, a forensic psychiatrist can provide valuable expertise by assessing testamentary capacity, or the testator’s ability to make his/her Will. If the testator lacked testamentary capacity, the Will could be invalidated. A Will is separate from other vehicles that individuals may use to distribute their estate on death, such as a Revocable Trust.

Read Article



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