Legal Medicine Expert Witnesses: 6

Dr. Matthew Lee, MD, RPh, MS. is a Physician, Pharmacist, Pharmacologist and Toxicologist who also practices as an Expert Witness and Legal Strategy Consultant. Specific Benefits Include:

• Increased quality and integrity of written expert reports, based on an expanded knowledge base
• Time savings by only having to coordinate and discuss a case with one expert as opposed to two or more
• Since there is so much overlap between fields in the medical profession it is often hard to determine where one scope ends and another begins. This ambiguity is dramatically decreased , and scope increased by combining physician, pharmacist, and pharmacologist into one
• Communication skills of a pharmacist and experience dealing directly with the lay-public, in addition to the knowledge and background of a physician is extremely beneficial describing technical details to a jury
• Practicing in different realms within the healthcare field has allowed Dr. Lee to integrate the multiple facets giving him a unique and distinct perspective that no other expert has.

Case Experience Includes:

EXPERTISE IN: 1. The pathobiology, clinico-pathologic correlation, and histopathologic diagnosis of: diseases of the esophagus, stomach, small intestine, colon, rectum, anus, liver, and pancreas. 2. Human neoplasms (cancer) and preneoplastic conditions. 3. Establishing standard of care, causation and cause of death. 

BACKGROUND: 1. Anatomic Pathology Residency: Washington Univ-Barnes Hospital 1991-94. 2. Oncologic Pathology Fellowship: M.D. Anderson Cancer Center 1994-95. 3. Gastrointestinal and Liver Pathology Fellowship: Harvard-Brigham & Womens Hospital 1995-96. 4. Instructor at Harvard Medical School: 1996-1998. 5. Assistant Professor and Director of Gastrointestinal Pathology Division at Univ. of Texas Health Science Center-Hermann Hospital, Houston Medical Center: 08/1998 - 12/2000. 6. Staff GI Pathologist and Quality Assurance Director at Caris/Miraca Life Sciences, Dallas TX: 01/2001 - 04/2012. 7. Staff Pathologist, Anatomic Pathology Division of the North Shore-LIJ Health System, Long Island NY: 05/2013 - 05/2015. 8. Staff Pathologist, Anatomic Pathology Division of Alliance Health Sciences, Dallas TX: 01/2016 - present. 9. Sole Proprietor of Expert Pathology Consultation Services Laboratory since 01/2001.         

Dr. Torres was instrumental in creating a rather unique model of Gastrointestinal Pathology subspecialty-focused laboratory, that during his 12 yrs tenure became one of the largest private national Anatomic Pathology laboratories-Caris/Miraca Life Sciences.

• Catastrophic Medical Case Management - Traumatic Brain Injury, Acquired Brain Injury, Spinal Cord Injury, Amputation, Soft Tissue Injury, Chronic Pain, Burns, Cerebral Palsy & Developmental Delay, Chronic Respiratory Conditions, Visual & Hearing Impaired
• Life Care Planning - Comprehensive Record Review and supportive documentation / Case Analysis, Case Summary Chronology, Clinical Interview and History with Patient, Medical-Legal Research, Assessment of Future Medical / Rehabilitation Needs
• Legal Nurse Consulting

With training from Harvard, Yale, Columbia, and other top-tier institutions, Dr. Daniel Cousin is a dual-boarded fellowship-trained expert in Diagnostic Radiology in active clinical practice who offers same-day (<24 hr) turnarounds on radiology consultations. 

Dr. Cousin has served as a Medical Director in private practice, and also as a Program Director for a residency program where he was responsible for teaching newly minted doctors to be radiologists. He has nearly two decades of experience in the field including both academic and private practices and both clinical and administrative positions. Dr. Cousin is currently the Clinical Director for BayView Radiology in Florida. He is board-certified by both the American Board of Radiology and also by the National Board of Physicians and Surgeons.

Litigation Support - Dr. Cousin is a pioneer in 4D demonstrative evidence, has an impressive lecturing and public speaking experience, presents well before juries, and has testified as an expert over 60 times in the last 4 years. As of 2021, his plaintiff defense split is approximately 50/50. Dr. Cousin offers Independent Medical Reviews (IMEs), Utilization Reviews, Medical Malpractice Reviews, Personal Injury Protection, Bodily Injury Reviews, Second Opinion Imaging Reviews, Re-Reads, and Worker's Compensation Reviews.

Areas of Expertise:

Harvard / Yale / Columbia-Trained, Dual-Boarded Radiologist - 24 hr turnaround (646) 303 3125.  

Dr. Cousin can also be found on the following websites:

• Medsurity Experts
• Radsurity 
• www.radiologistconsultant.com

Dr. Pia Quimson-Guevarra is Board-Certified in Psychiatry and Forensic Psychiatry by the American Board of Psychiatry and Neurology. She opines  about psychiatric issues in civil litigation, employment matters, and criminal cases. She has extensive experience with diagnosis and treatment of depression, anxiety, bipolar disorder, PTSD and other elements of emotional distress, both as a treating physician and in medical-legal cases serving as a forensic consultant or disclosed Expert Witness. She also assesses in probate matters of testamentary capacity, undue influence, and competency in civil, probate and criminal matters, CTST, re 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. 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. 

Her assessments are thorough and inform thoughtful and objective expert opinions issued by verbal and written report and testimony

Dr. Quimson-Guevarra's clinical practice in Portland is Quimson Behavioral Health, providing psychiatric patient care, medication management, and psychotherapy, for patients who suffer from mental disorders, e.g., Anxiety, Depression, Bipolar Disord & PTSD and medication management. She continues to use her expertise in psychopharmacology to treat mental health conditions in the context of medicolegal medically complex cases.

Prior to expanding her private practice, she was a psychiatrist at Cascadia Behavioral Healthcare, in an Assertive Community Treatment (ACT) team, a method to deliver an intensive level of services to patients in the local community. Her patients consisted of individuals who suffer from severe and persistent mental illness.  At Cascadia, she also treated patients with a history that includes forensic medical-legal issues.

Previously, Dr. Quimson-Guevarra 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 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. She also served as a psychiatrist at Veteran's Administration Hospitals in Oregon.

• Neurological Injuries (Brain and Spinal Cord Injury)
• Burns
• Orthopedic Injures
• Amputation
• Chronic Pain
• Post Traumatic Stress Disorder

• Expert Testimony
• Life Care Planning
• Mini/Preliminary Life Care Plan
• Video Services
• Medical Record Review
• RN Independent Medical Exam
• Medicare Set Aside Trust Analysis
• Medical Bill Auditing
• Questions: Deposition Cross Examining