Addiction Medicine Expert Witnesses: 13

Tracy L. Skaer, PharmD, FASHP, FASCP is a Professor Emeritus of Pharmacotherapy with over 30 years of pharmaceutical experience; 10 years as an expert witness. She is a licensed pharmacist in California, Idaho, and Washington. Dr. Skaer is a Fellow of the American Society of Health-Systems Pharmacists, the American Society of Consultant Pharmacist, and a Member of the American College of Clinical Pharmacist's (ACCP) Pain and Palliative Care Practice and Research Network (PRN).

Dr. Skaer's research interests include chronic pain, co-morbid mental illness in chronic disease, depression, anxiety disorders, insomnia, mindfulness, complementary and alternative medicine, and pharamcoeconomics and pharmacoepidemiology. Her research has been supported by over $3.2 million in grants from foundations and pharmaceutical industry.

Litigation Support - Dr. Skaer has completed several expert cases across the United States. Her services are available to attorneys representing plaintiff and defendant, including record review, written reports, deposition, and trial testimony. Dr. Skaer's cases involve:

View Dr. Skaer's Consulting Profile.

William Santoro, MD is board certified in Addiction Medicine and board eligible in Family Medicine. He is the Chief of the Section of Addiction Medicine at Tower Health and was the Medical Director at the Reading Hospital & Medical Center detoxification/rehabilitation program. Dr. Santoro was also the Medical Director at a Methadone Treatment center  for 22 years, until 2021, where he is responsible for prescribing methadone to approximately 950 opiate dependent patients.

Dr. Santoro is the Addictionist on staff at The Reading Hospital & Medical Center within the Department of Family and Community Medicine. He is consulted by hospitalists to care for patients admitted to the hospital with addiction complicating their condition. Dr. Santoro runs an outpatient program treating over the 300 patients with buprenorphine (Suboxone/Sublocade) or Vivitrol maintenance. With an interest in Sports Medicine in 2001, he served as a volunteer physician for the U.S. Olympic Training Team in Lake Placid, New York.

Dr. Santoro has been deposed more than a dozen times in the past several years. He has testified in court numerous times on behalf of the plaintiff as well as for the defense. He has testified in Federal Court and been involved in cases concerning the pharmaceutical industry.

Areas of Expertise:

• All aspects of Addiction Medicine
• Medication Assisted Treatment (MAT)
  • Buprenorphine
  • Naltrexone
  • Methadone
• Dual Diagnosis Pain/Addiction

View Dr. Santoro's Consulting Profile.

Dr. Roger D. Vazquez, PhD, LPC, LCDC, HS-BCP, CART, is a Behavioral/Mental Health and Substance Abuse Expert. He is the CEO of Texas Behavioral Health Associates and is a Licensed Professional Counselor, Licensed Chemical Dependency Counselor, Certified Anger Resolution Therapist, and is Board Certified in Human Services. 

Dr. Vazquez received his bachelors in psychology from The University of Texas, his masters in clinical psychology from Texas A&M University - Corpus Christi, and his Ph.D. in counselor education and supervision from Texas A&M University - Corpus Christi. He has worked in a variety of behavioral health settings, including a psychiatric hospital, an inpatient substance abuse treatment facility, a university counseling center, a non-profit organization, crisis hotlines, and community mental health centers. He currently is in private practice in the Houston, Texas area.

Dr. Vazquez has served as a professional consultant regarding mental health and substance abuse for various clients, including attorneys and healthcare companies. He has served as a policy advisor to a US congressman, where he prepared briefs and provided consultation on policy and public relation

Litigation Support: Dr. Vazquez has served as an expert witness for plaintiffs and defendants in both state and federal courts and in both civil and criminal cases. He has experience in general litigation consultation, psychological assessment and evaluation, expert witness report writing (including Rule 26 reports), and deposition/courtroom testimony.

Areas of Expertise:

Stephen M. Raffle, M.D. is double Board-Certified in Psychiatry and Forensic Psychiatry. Dr. Raffle has over 49 years as a clinical and forensic psychiatrist offering his expert opinion in Federal and State jurisdictions nationwide. In addition to serving as an expert witness, Dr. Raffle consults to attorneys, judges, insurers, and to employers regarding Fitness for Duty and Risk of Violence (Threat) Assessment:

• 5000+ psychiatric assessments
• Expert testimony in 700 depositions and trials
• Successful clinical practice

The job of an expert witness is to educate a jury, judge, attorney, and trier of fact about the forensic psychiatrist's conclusions and how those opinions were derived in a manner well-reasoned, skillful, and easily understood by every person, not only another forensic psychiatrist. In short, an educator. Dr. Raffle’s experience as an educator extends well beyond a forensic venue, yet underpins the key to his ability to explain his opinions.

• Prof. of Psychiatry, UCSF Medical School, 20 years
• U.C. Hastings College of the Law postgraduate course "Trial and Appellate Advocacy" instructing seasoned attorneys about the direct and cross-examination of expert witnesses, with special focus on mental health experts and licensed medical professionals, Psychiatrists (MDs), Psychologists (LCSWs / MFTs), and physicians in other medical specialties, 11 years

Stephen M. Raffle, M.D. & Associates' expertise is well-established in forensic assessment in the areas of:

• Post-Traumatic Stress Disorder (PTSD)
• Dementia and Competency
• Testamentary Capacity
• Undue Influence
• Traumatic Brain Injury
• Malingering
• Emotional Distress: Intentional & Unintentional infliction
• Emotional Distress: Forensic Evaluation to render medical-legal opinion
• Diagnosis and Need for Treatment
• Fitness For Duty
• Risk/Threat Workplace Violence Assessment
• Wrongful Termination
• Discrimination (ADA, Title VII, EEOC)
• Harassment
• Employment Litigation
• Medical Malpractice
• Catastrophic Injury
• Temporary and Permanent Disability
• Medical Records Review
• Assist in Preparation for Direct and Cross-examination of Expert Witnesses and Deposition of expert witnesses

Licensed in California.

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 factors of emotional distress, both as a treating physician and in medical-legal cases. She serves as a forensic consultant, and/or disclosed Expert Witness. She assesses competency and undue influence,  standard of care, and mental status re judgment and clarity of thinking. Applies to civil, probate and CTST criminal matters including criminal responsibility. She is also experienced in treatment of psychotic disorders,  hallucinations, and delusions.

She opines about medication or drug impact on behavior.

Dr. Quimson-Guevarra conducts IMEs and review of medical and legal records. Her assessments are thorough and inform thoughtful and objective expert opinions issued by verbal and written report and testimony. She conducts Independent Medical Evaluations face-to-face in person and by video.

She is a Certified Forensic Evaluator in Oregon.

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 forensic evaluations.

Leonard J. Weiss, MD, is a Forensic Psychiatrist with unparalleled qualifications, Board-Certified physician in 5 distinct and complementary disciplines applied to Medical-Legal questions:

Dr. Weiss has more than 40 years of experience as a physician. He has been in practice for over 20 years as a Board-Certified Psychiatrist, Forensic Psychiatrist, and Addiction Psychiatry specialist, preceded by more than two decades in Internal Medicine.

As an Addiction Psychiatry specialist, Dr. Weiss developed and served as Chief of the first Dual Diagnosis (Addiction) program at Michael Reese Hospital of the University of Chicago. He has served as the Medical Director of Austin Lakes Hospital.

Before pursuing his interest in psychiatry, Dr. Weiss practiced Internal Medicine in Michigan, where he maintains a Medical License. He has treated patients in psychiatric practice in Chicago and Atlanta. In 2013 he relocated to Austin, Texas, where he has a private clinical psychiatric practice, Psychiatry Austin.

Dr. Weiss graduated from Wayne State University Medical School and MIT (Mathematics), with residency training in Internal Medicine, Fellowship in Clinical Nutrition, and Psychiatry at, respectively, the University of Michigan Henry Ford Hospital, Memorial Sloan-Kettering Cancer Center in New York (Fellow) and Michael Reese Hospital in Chicago.

Litigation Support: Dr. Weiss has special training and experience in the application of psychiatric knowledge to legal issues and works in areas where Mental Health and the Legal System overlap, such as Medical Malpractice and Standard of Care. He offers objective evaluations and psychiatric consultation in a wide variety of legal matters, including expert testimony, as well as clinical work with perpetrators and victims.

Dr. Weiss provides IMEs and expert opinions on mental health questions via written reports, deposition, or courtroom testimony. He works with attorneys, courts, and other parties involved in actual or potential litigation. His research and assessment and his clinical practice cover areas such as:

Areas of Expertise:

John Budny, PhD, provides expert Toxicology opinions based on recognized and accepted medical knowledge to determine if prescriptions, over-the-counter medications, and drugs of abuse that cause adverse medical events. With a PhD in basic medical science and a 40-year career as a practicing toxicologist, Dr. Budny combines the science of toxicology with medical knowledge to fully understand the ramifications of an adverse medical event caused by prescribing errors, faulty medications, or failure in the health care delivery process.

Dr. Budny has conducted scientific investigations in toxicology and has published the results of his research. In addition to being as an expert witness, Dr. Budny provides scientific contributions by writing book reviews of relevant topics related to toxicology and forensics. He is also on the Editorial Board of the International Journal of Toxicology. In his position on the Editorial Board, Dr. Budny reviews manuscripts on general toxicology and forensic topics that are submitted and proposed for publication in the journal. He also writes book reviews that cover the entire breadth of toxicology. 

Litigation Support - Dr. Budny has over 25 years of experience as an expert witness. He has been retained in over 300 cases in which he has opined in reports, depositions, and in court testimony about cause and effect relationships between chemicals and adverse reactions and toxicities. While his forensic toxicology practice is not limited to any specific type of chemical, most of his retention as an expert has been for prescription drugs, illicit drugs, dietary supplements and nutritional products.  

Successfully resolved complex medical issues involving pharmaceuticals and drugs:

Dr. James C. Norris, Ph.D., DABT, EURT is an Expert Witness in Toxicology and Pharmacology. He has Litigation and Arbitration experience in the United States, United Kingdom and Hong Kong. Dr. Norris has given testimony to government agencies, has acted as a consultant for the media (BBC) and is an Industrial Site Crisis Team Member. He is avaliable for both Plaintiff and Defense.

Areas Of Expertise:

• Carcinogenicity and Chemicals
• Combustion or Fire Toxicolog
• General and Inhalation Toxicology
• Pesticides, and Pharmaceuticals (pharmacology)

Professional Affiliations:

• American Association of Pharmaceutical Scientists
• British Toxicology Society
• Society of Toxicology
• Editorial Boards of Inhalation Toxicology and Journal of Fire Sciences

James Patrick Murphy, MD, MMM, FASAM, is a fellowship trained (Mayo Clinic) board certified Anesthesiologist with subspecialty board certifications in Pain Medicine and Addiction Medicine. Dr. Murphy has a Master of Medical Management degree (MMM) from the University of Southern California, Marshall School of Business.

Background Experience:  Dr. Murphy is the president and founder of a private practice in the specialties of Pain Medicine (since 1998) and Addiction Medicine (since 2004), and serves on the faculty in the Anesthesiology Department of the University of Louisville School of Medicine. He has served as a United States Naval Flight Surgeon, Anesthesiologist, Medical School faculty (Mayo Clinic and University of Louisville), Pain Medicine specialist (interventional pain procedures and medication management), and Addiction Medicine Specialist.

Dr. Murphy is a past president of the Greater Louisville Medical Society and is president elect of the Kentucky Society of Addiction Medicine. He currently serves as the American Society of Addiction Medicine's representative on the American Medical Association's Pain Care Task Force. Dr. Murphy is also on the board of the Kentucky Harm Reduction Coalition (i.e. Narcan distribution and training) and serves as a task force work group member of the Kentucky Department for Public Health's Displaced Opioid Patient Workgroup.

Litigation Support: Dr. Murphy provides expert witness services to attorneys representing both plaintiff and defendant. He is particularly adept at defining "legitimate medical purpose in the usual course of professional practice." His services include medical records review, thorough reporting, depositions, and trial testimony as needed.

Areas of Medicolegal Expertise: 

View Dr. Murphy's Consulting Profile.

Jungjin Kim, MD, is a Harvard-trained and triple board-certified in General, Addiction, and Forensic Psychiatry. Dr. Kim serves on the faculty at McLean Hospital, the #1 ranked psychiatric hospital in America, and on the faculty of Harvard Medical School. He is currently in private forensic practice and has extensive experience working in various hospital and correctional settings.

Litigation Support - Dr. Kim has specialized training and experience in forensic psychiatric evaluations. His services include medical record review, thorough and well-reasoned report, depositions, and trial testimony as needed.

Areas of Expertise:

 Education:

• SUNY Upstate Medical University, Fellowship, Forensic Psychiatry, 2019-2020
• Massachusetts General Hospital/McLean Hospital / Harvard Medical School, Fellowship, Addiction Psychiatry, 2018-2019
• Emory University School of Medicine, Residency, General Psychiatry, 2014-2018

Certifications:

• ABPN Board Certified in Forensic Psychiatry
• ABPN Board Certified in Addiction Psychiatry
• ABPN Board Certified in General Adult Psychiatry
• Medical License: Massachusetts, New York
• DEA License

Joel L. Kent, MD, is an expert in all realms of Pain Medicine and has focused expertise in the prescribing and oversight of opioid analgesics. His specialties include acute and chronic pain management, opioid analgesics, interventional pain management therapies, spinal cord stimulation, intrathecal drug delivery, RSD/CRPS and low back pain.

Dr. Kent has provided expert case reviews and testimony for over twenty years.  The majority of his expert work has focused on the standard of care in the practice of Pain Medicine and the use of opioid analgesics.  Dr. Kent has provided expert case opinions in Federal and State civil courts.  He has provided defense support to the US Department of Justice in two cases.  He has served as an expert witness and case reviewer for both Maryland and New York State.  Dr. Kent assisted the District Attorney of New Jersey in prosecuting a case of unlawful prescribing of controlled substances.  He has provided expert case review and litigation support to health insurance carriers seeking restitution for fraudulent expenses related to opioid therapy.  

Over the course of his career, Dr. Kent has developed particular expertise surrounding the use of opioid analgesics.  He has provided over 50 lectures to other physicians regarding the safe and proper use of these medications.   He has been recognized as an expert in both State and Federal Court in cases related to opioid therapy.  He has served on advisory boards helping craft regulatory policies related to opioid medication.  All these accomplishments attest to Dr. Kent’s high level of expertise in the complex and evolving realm of opioid therapy. 

Primary area of expertise: Pain Medicine

Expert consulting experience:

• Authored over 50 expert case reports
• Participated in over 25 depositions
• Testimony experience in civil trials and professional hearings
• Provides litigation support and expert testimony in plaintiff and defense cases

Professional experience:

• Over 25 years of experience in Pain Medicine
• Triple Board Certified
• Practice Director of University Multi-Disciplinary Pain Management Practices from 1998 to 2017
• Program Director of a Multi-Disciplinary Pain Management Fellowship Training Programs from 1998 to 2015
• Professor of Anesthesiology, Palliative Care, and Physical Medicine and Rehabilitation at University of Rochester School of Medicine
• Lectures extensively and published 

James H. Reich, MD, MPH, is a board-certified Forensic Psychiatrist with extensive civil psychiatry experience who has done hundreds of evaluations.

After getting his MD from the University of Colorado Medical Center in Denver, Dr. Reich earned his MPH at Yale University and did his psychiatric residency at UC Davis. Dr. Reich has held academic positions at Yale, Iowa, Harvard, and Brown Universities.  Currently, he has teaching appointments at the professor level at both UCSF and Stanford University. Throughout his career, he has published over a hundred peer-reviewed publications. 

Litigation Support - Dr. Reich’s services are available for civil and some criminal law cases. Clients are assured of his personal dedication to each case. He does high quality research, expert evaluations, writes a solid report, and will testify well. Dr. Reich has been deposed over 50 times.

Areas of Expertise:

• General Psychiatry for Adults
• General Psychiatry for Children
• Addiction Psychiatry
• Forensic Psychiatry
• Organizational Consultation for Schools and Universities