Fentanyl Expert Witnesses

Fentanyl expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on fentanyl. The fentanyl expert witness listings on this page are typically from fields/areas of expertise such as: Addiction Medicine, Anesthesiology, Correctional Healthcare, Emergency Medical Toxicology, Emergency Medicine, Laboratories & Testing, Pain Management - Medicine, Pharmaceutical Regulation, Pharmacist, Pharmacology, Pharmacology- Clinical, Psychiatry, and Toxicology.

View Full Profile

Shaun D Carstairs, MD DFACMT FACEP

Experienced emergency physician and toxicologist

San Diego, California
Emergency Medicine, Toxicology - toxicology, poisoning, overdose, drug abuse, drug withdrawal, alcohol, urine drug screen, marijuana, fentanyl, opioids, addiction, methamphetamine, medication errors, heart attack, stroke, trauma, myocardial infarction, pulmonary embolism, snake bites, sepsis
- Triple board-certified in emergency medicine, medical toxicology, and addiction medicine, actively practicing in all 3 specialties - Distinguished Fellow of the American College of Medical Toxicology (DFACMT) and Fellow of the American College of Emergency Physicians (FACEP) - Bachelor of Science (BS) with honor from the California Institute Of Technology - Medical degree (MD) from the Uniformed Services University, the nation’s military medical school - Retired US Navy Captain with over 25 years of active duty service - Prior chief medical officer for the US Marine Corps’ 1st Marine Division - Prior residency program director and core faculty for a large emergency medicine residency program - Professor of Military & Emergency Medicine at the Uniformed Services University - More than 50 peer-reviewed publications, textbook chapters, and national/international presentations in the fields of medical toxicology and emergency medicine - Lecturer for the American College of Medical Tox...
View Full Profile

Sylvie Stacy, MD, MPH

Addiction, drug abuse, and jail/prison medicine

Tavares, Florida
Addiction Medicine, Correctional Healthcare - Substance use, Cocaine, Buprenorphine, Detox, Suboxone, Withdrawal, Fentanyl, Intoxication, Overdose, Cannabis, Methadone, Opioid, Addiction, Drug rehab, Toxicology, Methamphetamine, NCCHC, In-custody death, Jail, Prison
Sylvie Stacy, MD, MPH brings over 14 years of experience as a physician, including both direct patient care and administrative oversight focused on treating the incarcerated population and patients with addictions. She is board certified in Addiction Medicine and in Preventive Medicine & Public Health, both through the American Board of Preventive Medicine. She is licensed to practice medicine in 41 US states. With over 10 years in correctional medicine, she has served as a corporate-level medical director for two leading providers of correctional healthcare services, offering comprehensive care within prison and jail settings. Beyond correctional settings, she has provided addiction medicine services in various community treatment settings, including SAMHSA-certified opioid treatment programs (OTPs, aka “methadone clinics”), office-based opioid treatment centers, residential treatment facilities, inpatient detox centers, intensive outpatient treatment programs, and via telemedicin...
View Full Profile

Dr. David H. Schaffer, MD, MRO

Toxicology Director, Experienced Witness, Dual BC

Florida
Toxicology, Emergency Medicine - Drug Testing, Toxicology, Overdose, Drug Levels, Chemical Exposure, Alcohol, Fentanyl, Carbon Monoxide, Poisoning, Opioids, Med Mal, Medical Toxicology, Marijuana, Impairment, Methamphetamine, Opiates, Child Custody, Drugs, Toxic Tort, Hair Testing
Dr. David H. Schaffer, MD, MRO is dual-boarded in both Medical Toxicology and Emergency Medicine, serving as the Director of Medical Toxicology at the University of South Carolina School of Medicine in Greenville, SC and Prisma Health–Upstate hospitals. He is also a certified Medical Review Officer (MRO, MROCC). Dr. Schaffer has published extensively in the fields of Medical Toxicology and Emergency Medicine. Outside of clinical practice and the occasional courtroom appearance, Dr. Schaffer has also consulted for major organizations—including SpaceX, Butterfly Network, and governmental entities—on a variety of clinical matters. Dr. Schaffer earned his medical degree from the University of North Carolina School of Medicine, completed his residency at Harvard, where he served as a Clinical Fellow at Harvard Medical School, and subsequently trained in Medical Toxicology at the University of Virginia. He is a practicing physician with extensive publications and speaking records, is reg...
View Full Profile

Cheska Richards, PhD, NRCC

Forensic Toxicologist w federal court experience

SAINT PETERSBURG, Florida
Toxicology, Laboratories & Testing - drug testing, opiate, hearing, exposure, dermal, false positives, fentanyl, methamphetamine, inhalation, touch exposure, toxicology, Delta 8, cocaine, environmental exposure, low level, residual, Marijuana, passive, metabolism, elimination
I am a PhD-level forensic and clinical toxicologist with over a decade of experience advising organizations, attorneys, and courts on complex toxicological, pharmacological, and regulatory matters. I served as the toxicologist for the federal courts drug testing contract for 3 years. In that role I testified at federal revocation hearings over 20 times concerning drug testing and wrote hundreds of formal letters of data interpretation for the courts. I also corresponded with attorneys and probation when the drug testing outcome may have been due to exposure or medication or diet. I have a National Registry of Certified Chemists board certification as a Toxicological Chemist, a MS and a PhD, and many years of experience directly operating laboratories.
View Full Profile

LaKesha Legree, MD

General Anesthesiologist - Ivy League Trained

Dr. Legree Medical Expert Witness Consulting Services

Georgia
Anesthesiology - Fentanyl, Dental Anesthesia, Upper Endoscopy, Regional Blocks, Ketamine, Cannabis, Difficult airway, Wrongful death, Anesthesia standard of care, Colonoscopy, DUI & anesthesia drugs, Labor & Delivery, Anesthesia outside of the OR, Epidural & Spinal Anesthesia, Propofol, Aspiration, Office Anesthesia, Opioids, CRNA Supervision
Easily accessible,readily available, time-sensitive and responsive. Duke Fellowship Regional Anesthesia recipient. Over 14 years in active clinical practice. University of Notre Dame graduate in South Bend, IN. Weill Cornell- New York Presbyterian Hospital trained in General Anesthesiology. Extensive ultrasound guided regional anesthesia and block placement training at the infamous orthopedic focused Hospital for Special Surgery in New York City. Intense Anesthesia and critical care training at Memorial Sloan Kettering Cancer Hospital in New York. Teaching and mentoring experience. Completed SEAK expert witness training program. Public Speaking Experience. Trial (testifying) and deposition experience for both plaintiff and defense. Medical chart review, consultation and written reporting experience. Consultations with legal teams to assist with the interpretation of medically related case information, associated timelines and standard of care breaches. Former Ketamine Clin...
View Full Profile

Patrick Filkins, PharmD, BCPS, DABAT

Clinical Toxicology & Pharmacology Expert Witness

Filkins Toxicology Consulting LLC

Atlanta, Georgia
Toxicology, Pharmacology- Clinical - Emergency Medicine, Pharmacokinetics, Alcohol Intoxication, Drugs of Abuse, Opioids, Fentanyl, Envenomation, Poisoning, Overdose, DUI, Kratom, Mushrooms, Hospital Pharmacy, Antidotes, Heavy Metals, Pesticides, Urine Drug Screen, Drug Testing, Blood Testing, Withdrawal
Patrick Filkins, PharmD, BCPS, DABAT obtained a BS in Biochemistry at SUNY Old Westbury and a Doctorate of Pharmacy at the University of Saint Joseph School of Pharmacy and Physician Assistant studies. Following pharmacy school he completed residency at Grady Memorial Health System in Atlanta, Georgia and subsequently a clinical toxicology fellowship at the Georgia Poison Center. He is currently board-certified in toxicology (DABAT) and pharmacotherapy (BCPS). He is a practicing clinical toxicologist at the Georgia Poison Center, emergency medicine clinical pharmacist at Grady Memorial Health System, and an adjunct instructor of emergency medicine at Emory University School of Medicine, Department of Emergency Medicine. He also serves on the board of directors for the American Board of Applied Toxicology (ABAT). He has multiple publications in the field of toxicology. His research interests include toxic alcohols, acetaminophen toxicity, snake envenomation, and the management of opi...
View Full Profile

Dennis A. Wichern

DEA Compliance Expert - Former DEA Agent in Charge

Prescription Drug Consulting LLC

Carmel , Indiana
Pharmaceutical Regulation, Pharmacist - DEA, DEA Expert, DEA Compliance, DEA Compliance Expert, DEA Pharmacy Compliance, DEA Red Flags Expert, DEA OTP Expert, DEA Pharmacy, DEA Ketamine , Opioid prescribing , DEA ASC Compliance, DEA Opioid Compliance, DEA Pain, DEA Recordkeeping Compliance, DEA Opioid Prescribing, Veterinaran Compliance, DEA EMS, Fentanyl
Dennis Wichern is a partner in PDC, where he focuses his efforts on DEA compliance initiatives, drug diversion prevention, and training to protect healthcare organizations, providers, pharmacies, ASC’s, OTP’s, and DVM’s nationwide. His experience includes 30 years of public service as a DEA Special Agent retiring in 2018 as the Special Agent in Charge of the Chicago Field Division where he directed all criminal enforcement and diversion control operations in the states of Illinois, Indiana, Wisconsin, Minnesota and North Dakota with a team of approximately 550 employees. Dennis was the first to develop DEA compliance, diversion prevention, and training relating to pain and prescription opioids, SAMHSA OTP’s regulations, hospital, pharmacy, ketamine therapy, ASC, and DVM drug protocols. Dennis is a recognized expert on the dangers of the opioid epidemic and routinely speaks to healthcare organizations, pharmacies, providers, ASC’s, OTP’s, and DVM’s to identify methods to better safe...
View Full Profile

James P Adams, PharmD, DABAT

Toxicology Expert Witness | Drugs, Alcohol, Poison

Adams Toxicology Consulting & Expert Witness, LLC

Louisville, Kentucky
Toxicology, Pharmacology - Drugs of abuse, Alcohol intoxication, Pharmacokinetics, DUI, Kratom, Pharmacokinetics, Impaired driving, Blood alcohol interpretation, Drug impairment, Postmortem toxicology, Adverse drug event, Opioids, Fentanyl, Polypharmacy, Pharmcodynamics, Toxicology causation, Heavy metals, Urine drug screen, Blood testing, Withdrawal
James P. Adams, PharmD, DABAT is a board-certified clinical toxicologist and licensed pharmacist providing independent toxicology consulting and expert witness services for legal matters nationwide. His practice focuses on the interpretation of toxicology data, impairment analysis, and causation assessment in cases involving drugs, alcohol, and toxic exposures. Dr. Adams holds a Doctor of Pharmacy degree and is a Diplomate of the American Board of Applied Toxicology (DABAT). He has extensive experience reviewing medical records, laboratory results, timelines, and investigative materials in both criminal and civil litigation. His work includes evaluation of postmortem and antemortem toxicology findings, pharmacokinetic and pharmacodynamic principles, and the clinical significance of drug concentrations and interactions. In addition to consulting, Dr. Adams practices as a clinical toxicologist and serves as adjunct faculty, contributing to the education and training of healthcare pr...
View Full Profile

Daniel L Overbeek, MD

Toxicology / Addiction / Emergency Harvard Trained

J.S. Held

Grand Rapids, Michigan
Emergency Medical Toxicology, Toxicology - Kratom, Dram Shop & Alcohol Services, Drug Testing, Alcohol, Intoxication, Vaping, Overdose, Drugs, Methanol, Emergency Medicine, Urine Drug Screen, Fentanyl, Dram Shop, Toxic Tort, Marijuana, Mitragynine, Addiction, Ethanol, Substance Abuse, Addiction Medicine
"Good to hear from you! You were honestly one of my favorite experts to work with - not just on that case, but thus far in my career. " - Partner at National Law Firm Dr. Daniel Overbeek is Board Certified in Emergency Medicine, Medical Toxicology and Addiction Medicine. Dr. Overbeek was trained at the Harvard Medical Toxicology Fellowship after completing the University of Michigan Emergency Medicine residency in Ann Arbor, MI. He is also published on a variety of medical toxicology topics, including drug testing, alcohol and methanol, kratom / mitragynine, cannabis, vaping and electronic cigarettes. At J.S. Held, Dr. Overbeek provides medical toxicology and human health risk consulting services to attorneys, corporations, and public entities. His work includes medical record review, exposure and dose reconstruction, adverse event analysis, regulatory and safety evaluation, expert report preparation, deposition support, and trial testimony in high stakes matters. Dr. Overbeek ...
View Full Profile

Karen Mollner, DMSc, MPAS, MS, PA-C

Emergency Medicine PA-C, DMSc, MS toxicology

Hugo, Minnesota
Emergency Medicine, Toxicology - emergency, wrongful death, fentanyl, trauma, marijuana, toxicology, criminal, sepsis, medication, alcohol, malpractice, dissection, occupational, narcotics, physician assistant, cardiac, insurance
Over 22 years experience in Emergency Medicine and Toxicology. Affiliate Member American College of Medical Toxicology with masters degree in forensic toxicology. Doctorate of Medical Science with focus in emergency management. Over 8 years experience as expert witness including medicolegal, emergency medicine, toxicology, occupational, insurance companies, wrongful death, criminal. Website www.thealcoholpro.com
View Full Profile

Caitlin Bonney, MD, FACEP

Correctional Addiction Medicine Toxicologist

Nevada
Emergency Medical Toxicology, Addiction Medicine - carceral medicine, correctional medicine, emergency medicine, opioid use disorder, overdose, intoxication, detoxification, withdrawal, substance use disorder, drug of abuse, fentanyl, alcohol, jail and prison medicine, marijuana, cannabis, hyperactive/excited delirium, buprenorphine, methadone, drug-facilitated sexual assault
Dr. Caitlin Bonney, MD, FACEP, brings over 11 years of experience as a board-certified Emergency Medicine physician, Medical Toxicologist, and Addiction Medicine specialist with extensive experience providing and leading substance use disorder care in carceral settings. She currently serves as the Medical Director of Addiction Medicine for a large metropolitan detention center, where she oversees a comprehensive jail-based addiction treatment program serving hundreds of incarcerated individuals. Dr. Bonney’s work in correctional health focuses on the clinical, operational, and regulatory aspects of delivering evidence-based addiction care in jails and prisons. Her experience includes program development and scale-up, including development of an opioid treatment program (OTP or “methadone clinic”); intake screening and withdrawal management protocols; implementation and oversight of medications for opioid use disorder, including buprenorphine and methadone; coordination with custo...
View Full Profile

Caitlin Bonney, MD, FACEP

Correctional Addiction Medicine Toxicologist

Albuquerque, New Mexico
Emergency Medical Toxicology, Addiction Medicine - carceral medicine, correctional medicine, emergency medicine, opioid use disorder, overdose, intoxication, detoxification, withdrawal, substance use disorder, drug of abuse, fentanyl, alcohol, jail and prison medicine, marijuana, cannabis, hyperactive/excited delirium, buprenorphine, methadone, drug-facilitated sexual assault
Dr. Caitlin Bonney, MD, FACEP, brings over 11 years of experience as a board-certified Emergency Medicine physician, Medical Toxicologist, and Addiction Medicine specialist with extensive experience providing and leading substance use disorder care in carceral settings. She currently serves as the Medical Director of Addiction Medicine for a large metropolitan detention center, where she oversees a comprehensive jail-based addiction treatment program serving hundreds of incarcerated individuals. Dr. Bonney’s work in correctional health focuses on the clinical, operational, and regulatory aspects of delivering evidence-based addiction care in jails and prisons. Her experience includes program development and scale-up, including development of an opioid treatment program (OTP or “methadone clinic”); intake screening and withdrawal management protocols; implementation and oversight of medications for opioid use disorder, including buprenorphine and methadone; coordination with custo...
View Full Profile

Joel Lane Kent, MD

University of Rochester

Victor, New York
Pain Management - Medicine - Opioids, Buprenorphine, Interventional, Nerve blocks, Palliative care, Opioid, Morphine, CRPS, Epidural injections, Spinal hematoma, Narcotic, Methadone, Spinal cord stimulation, Overdose, hydrocodone, Oxycodone, Fentanyl, Intrathecal drug delivery, RSD, Nerve injury
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 Profile: Dr. Kent 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, inte...
View Full Profile

LaKesha Legree, MD

General Anesthesiologist - Ivy League Trained

Dr. Legree Medical Expert Witness Consulting Services

New York
Anesthesiology - Fentanyl, Dental Anesthesia, Upper Endoscopy, Regional Blocks, Ketamine, Cannabis, Difficult airway, Wrongful death, Anesthesia standard of care, Colonoscopy, DUI & anesthesia drugs, Labor & Delivery, Anesthesia outside of the OR, Epidural & Spinal Anesthesia, Propofol, Aspiration, Office Anesthesia, Opioids, CRNA Supervision
Easily accessible,readily available, time-sensitive and responsive. Duke Fellowship Regional Anesthesia recipient. Over 14 years in active clinical practice. University of Notre Dame graduate in South Bend, IN. Weill Cornell- New York Presbyterian Hospital trained in General Anesthesiology. Extensive ultrasound guided regional anesthesia and block placement training at the infamous orthopedic focused Hospital for Special Surgery in New York City. Intense Anesthesia and critical care training at Memorial Sloan Kettering Cancer Hospital in New York. Teaching and mentoring experience. Completed SEAK expert witness training program. Public Speaking Experience. Trial (testifying) and deposition experience for both plaintiff and defense. Medical chart review, consultation and written reporting experience. Consultations with legal teams to assist with the interpretation of medically related case information, associated timelines and standard of care breaches. Former Ketamine Clin...
View Full Profile

Joshua N Nogar, MD

Medical Toxicology & Emergency Medicine Expert

Larchmont, New York
Toxicology, Emergency Medicine - Drug levels, Drugs of abuse, Opioids, Hallucinogens, Intoxication, Overdose, Benzodiazepines, Cocaine, Withdrawal, Addiction, Poisoning, Metals, Amphetamines, Agitated Delirium, DUI, Alcohol / Ethanol intoxication, Fentanyl, Post-Mortem Toxicology, Prescription Drugs, Emergency Medicine Malpractice
Dr. Joshua Nogar, MD, Medical Toxicologist 
Assistant Professor of Emergency Medicine & Medical Toxicology, Northwell Health 
Director, Division of Medical Toxicology, Northwell Health
Fellowship Director, Medical Toxicology, Northwell Health Board Certifications: 1) Medical Toxicology, 2) Emergency Medicine, 3) Addiction Medicine Dr. Joshua Nogar is a board-certified Medical Toxicologist with extensive experience in clinical practice, academic teaching, and expert consultation. He is an Assistant Professor of Emergency Medicine and Medical Toxicology at the Donald & Barbara Zucker School of Medicine at Hofstra/Northwell Health, in Long Island, NY, where he leads the Division of Medical Toxicology and directs the Medical Toxicology Fellowship Program. Dr. Nogar completed his fellowship in Medical Toxicology at the University of California, San Diego (UCSD), from July 2009 to June 2011. He also completed his residency in Emergency Medicine at the University of New Mexico School ...
View Full Profile

Patrick Filkins, PharmD, BCPS, DABAT

Clinical Toxicology & Pharmacology Expert Witness

Filkins Toxicology Consulting LLC

New York
Toxicology, Pharmacology- Clinical - Emergency Medicine, Pharmacokinetics, Alcohol Intoxication, Drugs of Abuse, Opioids, Fentanyl, Envenomation, Poisoning, Overdose, DUI, Kratom, Mushrooms, Hospital Pharmacy, Antidotes, Heavy Metals, Pesticides, Urine Drug Screen, Drug Testing, Blood Testing, Withdrawal
Patrick Filkins, PharmD, BCPS, DABAT obtained a BS in Biochemistry at SUNY Old Westbury and a Doctorate of Pharmacy at the University of Saint Joseph School of Pharmacy and Physician Assistant studies. Following pharmacy school he completed residency at Grady Memorial Health System in Atlanta, Georgia and subsequently a clinical toxicology fellowship at the Georgia Poison Center. He is currently board-certified in toxicology (DABAT) and pharmacotherapy (BCPS). He is a practicing clinical toxicologist at the Georgia Poison Center, emergency medicine clinical pharmacist at Grady Memorial Health System, and an adjunct instructor of emergency medicine at Emory University School of Medicine, Department of Emergency Medicine. He also serves on the board of directors for the American Board of Applied Toxicology (ABAT). He has multiple publications in the field of toxicology. His research interests include toxic alcohols, acetaminophen toxicity, snake envenomation, and the management of opi...
View Full Profile

LaKesha Legree, MD

General Anesthesiologist - Ivy League Trained

Dr. Legree Medical Expert Witness Consulting Services

Charlotte, North Carolina
Anesthesiology - Fentanyl, Dental Anesthesia, Upper Endoscopy, Regional Blocks, Ketamine, Cannabis, Difficult airway, Wrongful death, Anesthesia standard of care, Colonoscopy, DUI & anesthesia drugs, Labor & Delivery, Anesthesia outside of the OR, Epidural & Spinal Anesthesia, Propofol, Aspiration, Office Anesthesia, Opioids, CRNA Supervision
Easily accessible,readily available, time-sensitive and responsive. Duke Fellowship Regional Anesthesia recipient. Over 14 years in active clinical practice. University of Notre Dame graduate in South Bend, IN. Weill Cornell- New York Presbyterian Hospital trained in General Anesthesiology. Extensive ultrasound guided regional anesthesia and block placement training at the infamous orthopedic focused Hospital for Special Surgery in New York City. Intense Anesthesia and critical care training at Memorial Sloan Kettering Cancer Hospital in New York. Teaching and mentoring experience. Completed SEAK expert witness training program. Public Speaking Experience. Trial (testifying) and deposition experience for both plaintiff and defense. Medical chart review, consultation and written reporting experience. Consultations with legal teams to assist with the interpretation of medically related case information, associated timelines and standard of care breaches. Former Ketamine Clin...
View Full Profile

Shannon C. Miller, MD, DFASAM, DLFAPA

Addiction Medicine

Forensic Addiction & Psychiatric Services, LLC

Cincinnati, Ohio
Addiction Medicine, Psychiatry - Alcohol, Gambling, Heroin, Opiate, Fentanyl, Nicotine, Vaping, e-cigarette, Cannabis, Marijuana, Sedative, Phenibut, Xylazine, GHB, LSD, DMT, MDMA, Dextromethorphan, PCP, Ketamine
“FREE INITIAL CONSULTATION. Updated CV available at www.forensicaddictions.com. Consultation on issues relating to alcohol/drug use, addiction, gambling, etc. Active clinical practice for 3 decades in Addiction Medicine, broadly experienced. Direct clinical experience specializing in addictions, including government and private practice, both inpatient and outpatient withdrawal management, rehabilitation, co-occurring psychiatric disorders, corrections, methadone, buprenorphine, chronic pain, drug testing, impaired providers, gambling, and a wide array of addiction-related disorders. Board Certified in Addiction Medicine, Board Certified in Psychiatry. Distinguished Fellow, American Society of Addiction Medicine, Distinguished Life Fellow of the American Psychiatric Association. Editor of largest and perhaps most read Addiction Medicine textbook worldwide, and for 4 editions over a 20-year span. Previously served 10 years as co-founding Co-Editor of a leading addiction medicine...
View Full Profile

Allison A. Muller, PharmD, DABAT, FAACT, AFACMT

Board-Certified Toxicologist - Penn/CHOP Faculty

Acri Muller Consulting, LLC

Aston, Pennsylvania
Toxicology, Pharmacology- Clinical - opioids, carbon monoxide, marijuana, cannabis, impairment, DUI, drugs, medication errors, overdose, postmortem, toxicity, medications, drug testing, adverse event, dietary supplement, kratom, fentanyl, oxycodone, lithium, mold
Board-certified toxicologist. Fellow of the American Academy of Clinical Toxicology. Affiliate Fellow of the American College of Medical Toxicology. Registered pharmacist. Over 30 years of experience in the field of clinical toxicology. Two decades as a clinical toxicologist and managing director at the Poison Control Center at The Children’s Hospital of Philadelphia (CHOP), consulting on toxicology cases from 21 counties in Pennsylvania and Delaware. Expert witness experience has involved cases related to alcohol, drugs of abuse (ie, opioids, marijuana, synthetic cannabinoids, cocaine), carbon monoxide, medication errors, and postmortem toxicology. Extensive teaching experience including as faculty at the University of Pennsylvania School of Veterinary Medicine. *Please note that I am only able to work on cases with licensed attorneys.
View Full Profile

Dr. David H. Schaffer, MD, MRO

Toxicology Director, Experienced Witness, Dual BC

Greenville, South Carolina
Toxicology, Emergency Medicine - Drug Testing, Toxicology, Overdose, Drug Levels, Chemical Exposure, Alcohol, Fentanyl, Carbon Monoxide, Poisoning, Opioids, Med Mal, Medical Toxicology, Marijuana, Impairment, Methamphetamine, Opiates, Child Custody, Drugs, Toxic Tort, Hair Testing
Dr. David H. Schaffer, MD, MRO is dual-boarded in both Medical Toxicology and Emergency Medicine, serving as the Director of Medical Toxicology at the University of South Carolina School of Medicine in Greenville, SC and Prisma Health–Upstate hospitals. He is also a certified Medical Review Officer (MRO, MROCC). Dr. Schaffer has published extensively in the fields of Medical Toxicology and Emergency Medicine. Outside of clinical practice and the occasional courtroom appearance, Dr. Schaffer has also consulted for major organizations—including SpaceX, Butterfly Network, and governmental entities—on a variety of clinical matters. Dr. Schaffer earned his medical degree from the University of North Carolina School of Medicine, completed his residency at Harvard, where he served as a Clinical Fellow at Harvard Medical School, and subsequently trained in Medical Toxicology at the University of Virginia. He is a practicing physician with extensive publications and speaking records, is reg...