Harvard-Trained, Med Tox MD, Experienced Witness

Specialties & Experience of this Expert Witness

Additional Information

Dr. David H. Schaffer, MD, MRO serves 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 board-certified in both Medical Toxicology and Emergency Medicine, and is a certified Medical Review Officer (MRO, MROCC). An experienced expert witness, Dr. Schaffer has also consulted for major organizations—including SpaceX, Butterfly Network, and governmental entities—on a variety of toxicological 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, regularly consulted for his expertise in drug intoxication, overdose, drug testing, driving impairment, toxic gases (e.g., carbon monoxide, cyanide, hydrogen sulfide), medication errors, heavy metals, PFAS (“forever chemicals”), drug interactions, pharmacokinetics, occupational or environmental exposures, and more.