Toxicology Expert Witnesses in California

View our Expert Witness Directory

Toxicology expert witnesses practice in a variety of fields, including pharmaceuticals, environmental health, forensic toxicology, industrial hygiene, and occupational medicine. Some of the most common specialties among toxicology expert witnesses also include clinical toxicology, veterinary toxicology, aquatic toxicology, and medical toxicology. They have provided opinions on the effects of drug interactions, chemical exposures, poisoning cases, substance abuse issues, and environmental toxins.

Find an expert witness near you

Select your state

What party are you representing?

Dr. Michael Lawrence Fischman, MD, MPH, FACOEMView profile

ID: 135938

Dr. Michael Fischman, MD, MPH, FACOEM

location icon

California

Dr. Michael L. Fischman has 42 years of experience in the field of Occupational and Environmental Medicine and Toxicology. He earned his BA in Biomedical Sciences from the University of Michigan, his MD from the University of Michigan Medical School, and his MPH in Environmental Health Sciences and Occupational Medicine from the University of California, Berkeley School of Public Health. He...

Emergency Medical Services Expert WitnessView profile

E-004462

Emergency Medical Services Expert Witness

location icon

California

This expert is a member of the National Association of Emergency Medical Technicians, California Council of EMS Educators, California Fire Chiefs, California EMS Educator/QI Group, and National Association of EMS Educators. He is currently the President and Education Program Director of a private EMT training center. He has 26 years of experience in Emergency Medical Services and 20+ years as an...

Dr. Neal Leon Benowitz, MDView profile

ID: 147718

Dr. Neal Benowitz, MD

location icon

California

Dr. Neal Benowitz has 48 years of experience in the field of Medical Toxicology and Clinical Pharmacology. He earned his MD from the University of Rochester School of Medicine. After completing his residency in Internal Medicine at Jacobi Medical Center, he went on to complete a Research Fellowship in Clinical Pharmacology at UCSF Medical Center. Today, this expert is board-certified in Internal...

Emergency Hematology and Oncology Expert WitnessView profile

E-007680

Emergency Hematology and Oncology Expert Witness

location icon

California

This expert has over 13 years of experience as a Physician Assistant. His expertise consists of Bone Marrow Transplant, Hematology/Oncology, Infusion Medicine, Emergency Medicine, and Urgent Care. He currently serves as a Physician Assistant for the Bone Marrow Transplant team at a major university medical center.

Forestry  Firefighting and Emergency Management Expert WitnessView profile

E-011979

Forestry Firefighting and Emergency Management Expert Witness

location icon

California

This highly qualified expert has 44+ years of experience in Structural and Wildland Firefighting, Emergency and Disaster Response, which includes from basic hand crew work and entry level firefighter, up to and including being Incident Commander on thousands of emergency incidents. For the past 37 years he has been an instructor and an educational designer, developing and instructing courses in...

Dr. Timothy Eugene Albertson, MPH, PhD, MDView profile

ID: 701342

Dr. Timothy Albertson, MPH, PhD, MD

location icon

California

Dr. Timothy Eugene Albertson has over 40 years of experience in the fields of Pharmacology, Critical Care, Pulmonary Medicine, Emergency Medicine, and Toxicology. He earned his BA in Biology and Psychology from the University of California San Diego and his MD from the UC Davis School of Medicine. He earned his MS and Ph.D. in Pharmacology and Toxicology from the University of California Davis,...

Emergency Medicine Expert WitnessView profile

E-000425

Emergency Medicine Expert Witness

location icon

California

This qualified emergency medicine physician has practiced in several large healthcare centers throughout the country, and has both published and presented lectures in his field. He is residency trained, board certified in Emergency Medicine, Emergency Medicine and practicing since 1984 to this day. He has a Masters in Public Health, Preventive Medicine, and Toxicology. He has seen hundreds of...

Dr. Dan Field, MDView profile

ID: 108516

Dr. Dan Field, MD

location icon

California

This highly qualified emergency medicine expert has over 25 years of experience in his field. He completed his BS in biology from the University of California at Irvine and his MD from the University of California at San Francisco. After finishing his internship at Highland Hospital, this expert went on to complete his emergency medicine residency at the University of Cincinnati. He is boarded by...

Emergency Medicine And Trauma Expert WitnessView profile

E-129716

Emergency Medicine And Trauma Expert Witness

location icon

California

This highly-qualified expert in emergency medicine received a B.A. and B.S. from the University of California, at Davis. He went on to graduate from the prestigious Washington University in St. Louis Medical School. He completed residency in emergency medicine and fellowship in international emergency medicine at Loma Linda University. He is well-published and currently serves as an assistant...

Dr. Michelle Lin, MDView profile

ID: 137127

Dr. Michelle Lin, MD

location icon

California

Dr. Michelle P. Lin has over 20 years of experience in Emergency Medicine. She earned her BS in Biology from Stanford University and her MD from the Stanford University School of Medicine. She completed her residency in Emergency Medicine at Harbor-UCLA Medical Center and is board certified in Emergency Medicine. Formerly, this expert held roles as a Rotation Site Director, Associate Professor,...

Emergency  Trauma  and ICU Expert WitnessView profile

E-284246

Emergency Trauma and ICU Expert Witness

location icon

California

This highly qualified expert has over 10 years of experience in emergency, trauma, and ICU specialties. She earned her BA in psychology and her BS in nursing from Dominican University. She then completed her MS in nursing administration at Holy Names University. This expert is certified in basic life support, advanced cardiac life support, and pediatric advanced life support. She is a member of...

Dr. Alan Leonard Nager, MD, MHAView profile

ID: 146341

Dr. Alan Nager, MD, MHA

location icon

California

Dr. Alan L. Nager has over 30 years of experience in Pediatrics, specializing in Pediatric Emergency Medicine. He earned his BA in Public Health and Child Psychology from the University of Minnesota, his MD from the University of Minnesota Medical School, and his MHA from the University of Southern California. After completing his residency in General Pediatrics at Children's Hospital Los...

Emergency Medicine and Hospitalist Expert WitnessView profile

E-323462

Emergency Medicine and Hospitalist Expert Witness

location icon

California

This qualified emergency medicine expert earned his BS in biology from California Polytechnic State University and his MD from University of California San Diego School of Medicine. He then completed an internship at Scripps Mercy Hospital and a residency in emergency medicine at UCSD Medical Center. Previously, he served as an attending physician in the emergency department at Scripps Memorial...

Dr. Jerome Richard Hoffman, MD, MA, FACEPView profile

ID: 1995631

Dr. Jerome Hoffman, MD, MA, FACEP

location icon

California

Dr. Jerome R. Hoffman has 43 years of experience in the field of Emergency Medicine. He earned his BA from Princeton University, his MA from Columbia University, and his MD from the UC San Diego School of Medicine. After completing his internship in Internal Medicine at West Los Angeles Veterans Affairs Medical Center and his two residencies at LAC+USC Medical Center and Ronald Reagan UCLA...

Emergency Medicine And Cardiopulmonary Expert WitnessView profile

E-344633

Emergency Medicine And Cardiopulmonary Expert Witness

location icon

California

This highly qualified emergency medicine expert has over 25 years of experience in his field. He completed his BS in biology from the University of California at Irvine and his MD from the University of California at San Francisco. After finishing his internship at Highland Hospital, this expert went on to complete his emergency medicine residency at the University of Cincinnati. He is boarded by...

Dr. Lisa Priscilla Gwin, DO, BSN, ACTARView profile

ID: 2034237

Dr. Lisa Gwin, DO, BSN, ACTAR

location icon

California

|

Colorado

Dr. Lisa P. Gwin has 37 years of experience in the fields of Emergency Medicine, Biomechanics, and Electrical Engineering. She earned her BSN from Wayne State University and her BS in Electrical Engineering from the Illinois Institute of Technology. Dr. Gwin completed her medical degree at the Arizona College of Osteopathic Medicine, followed by residency training in Emergency Medicine at the...

Medical Toxicology Expert WitnessView profile

E-503361

Medical Toxicology Expert Witness

location icon

California

This qualified expert has 8 years of experience in medical toxicology. He received his BS in microbiology from the University of California San Diego before pursuing his MPH at the Northwest Ohio Consortium for Public Health. He then earned his MD from the University of Toledo. Following medical school, he completed an internal medicine internship and an emergency medicine residency at George...

Dr. Matthew Thomas Cote, MDView profile

ID: 237794

Dr. Matthew Cote, MD

location icon

California

Dr. Matthew Thomas Cote has 20 years of experience in the field of Emergency Medicine and Pediatrics. He earned his BS from the University of California Los Angeles and his MD from the University of Maryland School of Medicine. He also earned his MA from Loyola University Chicago and completed his residency in Pediatric Emergency Medicine at IU Health University Hospital. Today, this expert is...

Urgent Care and Occupational Medicine Expert WitnessView profile

E-455245

Urgent Care and Occupational Medicine Expert Witness

location icon

California

This expert is board-certified in preventive medicine and specializes in urgent care, occupational medicine, preventive medicine, and osteopathic medicine. She received her BA in English literature at the University of Pittsburgh and subsequently completed a formal post-baccalaureate program at San Francisco State University. She earned her DO from Lake Erie College of Osteopathy, followed by the...

Dr. Walter Lanier Biffl, MD, FACSView profile

ID: 253492

Dr. Walter Biffl, MD, FACS

location icon

California

Dr. Walter L. Biffl has 26 years of experience in the field of Trauma Surgery. He earned his BS in Psychology from Duke University and his MD from George Washington University School of Medicine and Health Sciences. He completed a research fellowship in Trauma Surgery and a residency in Surgery at the University of Colorado Health Sciences Center. Today, this expert is board-certified in...

Pharmacology Expert WitnessView profile

E-014728

Pharmacology Expert Witness

location icon

California

This highly qualified expert earned his Bachelor's degree in Chemistry from the University of California Riverside and his PhD in Comparative Pharmacology and Toxicology from the University of California San Francisco. A member of numerous pharmaceutical societies, he is extremely well published, having authored 120+ peer-reviewed papers and 10 books. He previously served as an Assistant...

Dr. James Dana Leo, MD, FACP, FCCPView profile

ID: 267842

Dr. James Leo, MD, FACP, FCCP

location icon

California

Dr. James Leo has 35 years of experience in the field of Critical Care Medicine and Emergency Medicine. He earned his BS in Biology from the Massachusetts Institute of Technology and his MD from the UCSF School of Medicine. After completing his internship in Internal Medicine at Jamaica Plain VA Medical Center, he went on to complete two residencies in Emergency Medicine at Ronald Reagan UCLA and...

Toxicology Expert WitnessView profile

E-000583

Toxicology Expert Witness

location icon

California

This actively practicing, board certified toxicology specialist has assumed clinical positions in the field of toxicology and has published hundreds of articles and book chapters on the topic. Furthermore, he has also given nationally invited lectures on drug toxicity and is currently a faculty member at a major toxicology private practice.

Specialties:

Dr. Avinash Patil, MDView profile

ID: 30112

Dr. Avinash Patil, MD

location icon

California

This highly qualified, board-certified emergency medicine physician has over 10 years of experience in his field. He obtained his BA in economics and his BS in physiology from the University of California, Davis, before receiving his MD from the Washington University in St. Louis. He then went on to complete a residency and fellowship, both in emergency medicine at Loma Linda University. Today,...

Forensic Pathology & Toxicology Expert WitnessView profile

E-007781

Forensic Pathology & Toxicology Expert Witness

location icon

California

This expert is a forensic pathologist with a PhD in chemistry with over 30 years experience. His interests include forensic pathology, toxicology, medical causation, DUI, DUID, industrial accidents, chemical injury, air,auto and marine accidents. He has testified / been deposed over 100 times.

Dr. Natalie HalanskiView profile

ID: 41936

Dr. Natalie Halanski

location icon

California

This expert earned her BS and PharmD at the Univesity of Michigan and she completed her residency in ambulatory care pharmacy at the University of San Diego. She is a board-certified ambulatory care pharmacist and a member of the American Pharmacists Association. She formally worked as a clinical pharmacist in ambulatory care at the University of California, San Diego and she currently is a...

Environmental Toxicology Expert WitnessView profile

E-099404

Environmental Toxicology Expert Witness

location icon

California

This highly qualified environmental toxicologist specializing in mechanisms of action of dioxins and dioxin-like chemicals. After earned his PhD in Toxicology, this expert went on to hold numerous research roles, most notably at UC Davis. He is prominent in literature and as a presenter in the space. Currently, this expert is an Environmental Toxicology Research Scientist at a university in...

Dr. Gary Michael Vilke, MD, FAAEM, FACEPView profile

ID: 42162

Dr. Gary Vilke, MD, FAAEM, FACEP

location icon

California

Dr. Gary M. Vilke has 29 years of experience in Emergency Medicine. He earned his BS in Zoology from the University of California, Berkeley, and his MD from UC San Diego School of Medicine. He completed an internship in Surgery and a residency in Emergency Medicine at UC San Diego Medical Center. Today, this expert is board certified in Emergency Medicine. Formerly, this expert held roles as the...

Clinical Toxicology Expert WitnessView profile

E-338370

Clinical Toxicology Expert Witness

location icon

California

This qualified clinical toxicology expert has eleven years of experience in the toxicology and chemistry fields. He earned his BS in medical technology from Central Michigan University and is certified as a medical laboratory scientist by the American Society for Clinical Pathology. This expert has been published in the Journal of Analytical Toxicology and is a licensed clinical laboratory...

Specialties:

Candace Christine CampbellView profile

ID: 45987

Candace Campbell

location icon

California

This highly qualified expert has over 30 years experience in her field. She completed both her BSN and MSN at Loyola University and earned her DNP at the University of San Francisco. She is certified in Neonatal Intensive Care and has published several books and numerous articles on this subject. She has previously worked as a Neonatal Intensive Care Staff Nurse as well as serving as Adjunct...

Dr. William Dean Whetstone, MDView profile

ID: 61892

Dr. William Whetstone, MD

location icon

California

Dr. William D. Whetstone has 37 years of experience in the field of Emergency Medicine. He earned his BS in Aerospace Engineering from the University of Colorado Boulder and his MD from the University of Colorado School of Medicine. He completed his residency in Emergency Medicine from the University of Michigan Health. Today, this expert is board certified in Emergency Medicine. Formerly, he...

Dr. Katherine A Kelly, RN, DNPView profile

ID: 6277082

Dr. Katherine Kelly, RN, DNP

location icon

California

Dr. Katherine A. Kelly has 45 years of experience in the field of Nursing. She earned her BSN from California State University, her MS from the University of Nevada Reno, and her DNP from the University of Colorado School of Medicine. Today, this expert is licensed as a Registered Nurse in the state of California. Formerly, this expert served as an Emergency Nurse Practitioner at Rideout Hospital...

Dr. Elizabeth Holly Raphael, MD, FACEPView profile

ID: 672940

Dr. Elizabeth Raphael, MD, FACEP

location icon

California

Dr. Elizabeth H. Raphael has 29 years of experience in the field of Emergency Medicine and Biomechanics. She earned her BS in Mechanical Engineering from the Massachusetts Institute of Technology and her MD from Wayne State University School of Medicine. She completed her residency at Detroit Receiving Hospital. Today, she is board certified in Emergency Medicine. Formerly, she held roles as an...

Dr. Dallas Milo Cowan, PhD, CIH, DABTView profile

ID: 249245

Dr. Dallas Cowan, PhD, CIH, DABT

location icon

California

Dr. Dallas Cowan has 14 years of experience in Toxicology and Industrial Hygiene. He earned his BA in Applied Physiology and Kinesiology from the University of Colorado Boulder, his MA in Industrial Hygiene from San Diego State University, and his Ph.D. in Toxicology from Purdue University. Today, this expert is certified as an Industrial Hygienist by the American Board of Industrial Hygiene....

Dr. David Allen Galbraith, MDView profile

ID: 365121

Dr. David Galbraith, MD

location icon

California

Dr. David Galbraith has over 30 years of experience in the field of Occupational Health and Safety and Health Risk Assessment. He earned his BS in Chemistry from Stanford University and his MD from Yale School of Medicine. He then went on to a residency at the University of Washington Medical Center and then Swedish Medical Center. Formerly, this expert held roles as the Associate Director at...

Dr. Andrew Gale Salmon, PhDView profile

ID: 6090772

Dr. Andrew Salmon, PhD

location icon

California

Dr. Andrew G. Salmon has over 45 years of experience in the field of Environmental Toxicology. He earned his BA, MA, and PhD in Biochemistry from the University of Oxford. Formerly, this expert served as Chief and Senior Toxicologist of the Air Toxicology and Risk Assessment Section for the State of California Environmental Protection Agency. Currently, this expert is an independent consultant...

Dr. Vina Rosetta Spiehler, PhD, FABFTView profile

ID: 6807453

Dr. Vina Spiehler, PhD, FABFT

location icon

California

Dr. Vina R. Spiehler has 42 years of experience in Forensic Toxicology. She earned her BA and MA in Analytical Chemistry from California State University, Fullerton, and her Ph.D. in Pharmacology and Toxicology from the University of California, Irvine, School of Medicine. Today, this expert is a Fellow in Forensic Toxicology by the American Board of Forensic Toxicology. Formerly, this expert...

Mr. Okorie Chukwudimma Okorocha, MS, JDView profile

ID: 75278

Mr. Okorie Okorocha, MS, JD

location icon

California

Mr. Okorie Okorocha has over 20 years of experience as an Attorney, as well as over 10 year of experience in Forensic Toxicology and Pharmacology. He completed his JD at Whittier College, both his MS in Pharmaceutical Sciences and MS in Forensic Toxicology from the University of Florida. Currently, he has an Admission to Practice Law license in California and holds active certifications in Civil...

Dr. Lesa Lynn Aylward, MS, PhDView profile

ID: 83920

Dr. Lesa Aylward, MS, PhD

location icon

California

Dr. Lesa L Aylward has 38 years of experience in Toxicology. She earned her BS and MS in Materials Science and Engineering from the Massachusetts Institute of Technology and her Ph.D. in Toxicology from Utrecht University. Formerly, this expert served as a Senior Managing Scientist at Exponent, Inc. She is currently a Principal and a Senior Associate Scientist at Summit Toxicology, LLP. She is...

Specialties:

The Average Toxicology Expert Witness
Charges $484 / Hour

Based on hourly rates. Compare expert witness rates across thousands of specialties in all 50 states.

  • Review Fee

    $425

    Fee info

    This represents an expert’s hourly rate for participating in depositions. Experts may charge more for depositions that require them to travel, and some experts choose to bill a flat, daily or half-daily rate for deposition appearances.

  • Deposition Fee

    $500

    Fee info

    This represents an expert’s hourly rate for participating in depositions. Experts may charge more for depositions that require them to travel, and some experts choose to bill a flat, daily or half-daily rate for deposition appearances.

  • Court Fee

    $525

    Fee info

    This represents an expert’s hourly rate for participating in depositions. Experts may charge more for depositions that require them to travel, and some experts choose to bill a flat, daily or half-daily rate for deposition appearances.

Toxicology Expert Witness FAQs

A toxicology expert witness provides scientific evidence and testimony related to the effects, detection, and measurement of toxins or chemicals on the human body.

Toxicology experts are often involved in cases related to drug overdoses, poisonings, environmental contamination, workplace exposure to harmful substances, and medical malpractice.

Yes, there are many subspecialties in toxicology such as forensic toxicology, clinical toxicology, environmental toxicology, and industrial or occupational toxicology.

A forensic toxicologist can provide crucial evidence by analyzing biological samples for drugs or poisons, interpreting results, and explaining their potential effects.

A clinical toxicologist can explain how certain drugs interact with the body, potentially causing harm. They can also assess if proper protocols were followed during drug administration.

Expert Institute offers a personalized approach to help you find the highest quality experts. We source actively-practicing professionals who match all your requirements for specialty areas, work experience, litigation history, fee range, certifications, location, and more.

Connect with the Toxicology expert witness you need to win your case

Close Icon

Your information will not be shared. View our privacy policy.