Dr. David H Schaffer, MD, MRO
Greenville, SC 29605
Dr. David H. Schaffer, MD, MRO is a Harvard-trained, board-certified Medical Toxicologist and 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 also 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.
Case Highlights:
State of Rhode Island v Tracy L Campbell and Courtney Campbell
Carter v The Health and Hospital Corporation of Johnson County
Evans v. Wal-Mart Stores East, L.P
Credential Highlights:
- Residency Training at Harvard and Massachusetts General/Brigham & Women's Hospitals, held appointment at Harvard Medical School as a Clinical Fellow
- Fellowship training at the University of Virginia
- Director of Medical Toxicology at Prisma Health - Upstate, the only Medical Toxicology practice in the State of SC
- Faculty at USC School of Medicine in Greenville, SC
- Toxicologist for the Palmetto Poison Center in Columbia, SC
- Certified Medical Review Officer (DOT/HHS)
- Board-certified in both Emergency Medicine and Medical Toxicology
- Expert witness experience
- Extensively published in toxicology
- Extensive education/lecture experience
- Member of the American College of Medical Toxicologists, American Academy of Clinical Toxicologists, American College of Emergency Physicians, and American College of Occupational and Environmental Medicine
- Expert in chemical exposures, criminal poisoning, drugs and drug testing, impaired driving, heavy metals, and other topics in toxicology.
- Alcohol
- Alcohol, Drug & DUI Testing
- Carbon Monoxide Poisoning
- Emergency Medicine
- Environmental Medicine
- Lead Poisoning
- Marijuana
- Medical Toxicology
- Occupational Medicine
- Per- and Polyfluoroalkyl Substances (PFAS)
- Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
- A: -Board Certifications: Medical Toxicology (renews 2029), Emergency Medicine (renews 2028)
-Certified Medical Review Officer (DOT/HHS)
-Medical Licensure: South Carolina, Virginia, Massachusetts
-MD: University of North Carolina School of Medicine
-Residency in Emergency Medicine: Harvard/Massachusetts General Hospital/Brigham & Women's Hospital
-Fellowship: University of Virginia - Q: Please list your affiliations or memberships in any professional and/or industry organizations:
- A: Members of: American College of Medical Toxicology, American Academy of Clinical Toxicologists, American College of Emergency Physicians, American College of Occupational and Environmental Medicine, American Medical Association.
- Q: Please list any teaching or speaking experience you have had, including subject matter:
- A: Extensive teaching experience spanning multiple universities, hospitals, and other organizations on topics in toxicology and emergency medicine. Current faculty at the University of South Carolina School of Medicine in Greenville, SC.
- Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
- A: No
- Q: For what area(s) of expertise have you been retained as an expert?
- A: Toxicology, impaired driving, drug testing, wrongful death
Available Upon Request