Discover what could shift the outcome of your case.
Too often, the medical record is taken at face value. But what's documented isn't always what really happened.
At MD Experts, we dig deeper—beyond the chart—to uncover what was altered, delayed, or never documented at all.
- 1Did someone modify the chart after the patient coded?
- 2Were entries made hours after the event?
- 3How many times was the chart accessed before anything was documented on the record?
Specialized Systemic Toxicology Expertise
Toxicology medical malpractice claims arise when a healthcare provider's error regarding drugs, chemicals, or poisons harms a patient. Common issues include wrong medication dosages, misdiagnosed overdoses, and failure to monitor adverse drug reactions.
Proving these cases requires establishing a direct link between the medical error and the patient's injury.
Our Medical Expert Team
Board-certified professionals with extensive courtroom experience and deep understanding of legal requirements for medical testimony.

William Sawyer, Ph.D.
Forensic Toxicologist
- More than 34 years of experience in forensic and environmental toxicology
- Earned a Ph.D. in Toxicology from Indiana University School of Medicine
- Served as Chief Toxicologist at Toxicology Consultants & Assessment Specialists (TCAS) since 1990
- Spent 23 years as an adjunct assistant professor at SUNY Upstate Medical University
- Published extensively and maintained long-standing memberships in major forensic toxicology organizations

Ernest P. Chiodo, M.D., J.D., M.P.H., M.S., M.B.A., C.I.H.
Industrial Hygienist | Industrial Toxicologist
- Physician, attorney, toxicologist, engineer, and public health expert with multiple advanced degrees
- Board-certified in internal medicine, occupational medicine, public health, and industrial hygiene
- Served in major leadership roles, including Medical Director for the City of Detroit
- Held faculty appointments at leading medical and law schools
- Published numerous books and articles on toxic torts, environmental medicine, and injury causation

Jerrold Leikin, M.D., DFACMT, FACP, FACEP, FAACT, FACOEM, FASAM
Toxicologist
- Extensive experience in the field and recognized subject-matter expertise
- Strong academic background with multiple advanced degrees and board certifications
- Leadership experience in clinical, administrative, and academic roles
- Significant experience in teaching, research, and professional presentations
- Numerous publications and contributions to the field

Kayur Patel, MD
Healthcare Administrator | Systemic Error Specialist
- Keynote speaker on Systemic Errors
- Author of But It's Rare: Hardwiring Patient Safety
- Author of Anatomy of Systemic Errors
- Past Vice President of Quality for TeamHealth
- Past Regional Medical Director of Emergency Departments
- Past Chief Medical Officer of both hospitals and large private practices

Jessica Shaffer, RN
EHR Audit Trail Analyst
- Emergency room nurse and expert in medical audit trails
- Uniquely trained in dissecting the anatomy of electronic health records (EHRs)
- Identifies hidden data such as timestamps, access logs, altered entries, and post-event modifications
- Helps reveal facts that can strengthen a defense or build a winning plaintiff's case
Why MD Experts?
- Board-certified forensic and industrial toxicologists
- Expertise in toxicology standard of care
- Deep understanding of drug, chemical, and environmental exposure causation
- Comprehensive record review
- Systemic error identification
- Clear testimony for judge and jury
Get a Clear Medical Perspective
Toxicology cases are complex. Let our experts clarify the clinical facts for you.
