Drug Levels Expert Witnesses

Drug levels 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 drug levels. The drug levels expert witness listings on this page are typically from fields/areas of expertise such as: Emergency Medicine, Pharmacist, Pharmacology- Clinical, and Toxicology.

Okorie Okorocha, M.S., M.S., ESQ.

Forensic Toxicologist & Pharmacologist.

TOXICOLAWGY.COM

Arizona
Toxicology, Pharmacology- Clinical - Lab, Laboratory, Blood testing, Breath Testing, Hospital Testing, Alcohol Impairment, drug impairment, alcohol testing, drug testing, drug effects, drug levels, postmortem drugs, postmortem alcohol, forensic science, blood alcohol, blood drugs, urine testing, urine drug tests, urine alcohol tests
Forensic Toxicologist Okorie Okorocha is a Forensic Toxicologist and expert witness that is widely recognized in his field of work. He has obtained two Master’s Degrees in toxicology and pharmacology. Okorie has served as a forensic toxicology expert witness in more than 700 jury trials and has relevant experience in court as a laboratory testing, drug and alcohol expert witness, as well as in other areas of forensic toxicology. These trials include civil and criminal trials in military, state and federal courts. By ensuring that the jury understands the multifaceted nature of scientific concepts, Okorie has been able to successfully serve as an expert witness in 54 California counties, 23 U.S. states, and internationally in Germany and Japan. Toxicology Co-Counsel for Depositions and Cross Examination at trial Okorie Okorocha is a sought after by top law firms as a cross-examiner of scientific experts in depositions and at trial. As an attorney, he has been the first cha...

Rodney G. Richmond, MS, PharmD, BCGP, FASCP

Pharmacy - Pharmacology - Drugs of Abuse

The Mackenzie Group, LLC

Searcy, Arkansas
Pharmacist, Pharmacology- Clinical - Nursing homes, geriatric pharmacist, alcohol, recreational drugs, drug interactions, opioid pain management, hospital pharmacy, drug levels, medication errors, pharmacy law, toxicology, pharmacy standards of care
Pharmacy Standards of Care (nursing home/long-term care, acute care, hospice, home health); Pain Management; Geriatric Drug Therapy Management (Alzheimer’s, Parkinson’s, psychoactive medications, psychotropic drug reactions, polypharmacy); Clinical Pharmacy Services (drug information services, patient assessment & counseling); Drug Safety/Misadventure (interactions, adverse reactions, medication errors, death/overdose, product liability); Pharmacology (causal relationship between drug exposure and subsequent effects, pharmacoepidemiology, pharmacokinetics); Pharmacy Operations (3rd-party payment, managed care, controlled substance/narcotics, drug distribution systems, pharmacoeconomics). Professor, Pharmacy Practice Chair, Department of Pharmacy Practice Harding University College of Pharmacy (2011- ) President, Arkansas State Board of Pharmacy (2024-25) Vice-President, Arkansas State Board of Pharmacy (2023-24) Member, Arkansas State Board of Pharmacy (2020- ) Clinical Consulta...

Okorie Okorocha, M.S., M.S., ESQ.

Forensic Toxicologist & Pharmacologist.

TOXICOLAWGY.COM

Pasadena, California
Toxicology, Pharmacology- Clinical - Lab, Laboratory, Blood testing, Breath Testing, Hospital Testing, Alcohol Impairment, drug impairment, alcohol testing, drug testing, drug effects, drug levels, postmortem drugs, postmortem alcohol, forensic science, blood alcohol, blood drugs, urine testing, urine drug tests, urine alcohol tests
Forensic Toxicologist Okorie Okorocha is a Forensic Toxicologist and expert witness that is widely recognized in his field of work. He has obtained two Master’s Degrees in toxicology and pharmacology. Okorie has served as a forensic toxicology expert witness in more than 700 jury trials and has relevant experience in court as a laboratory testing, drug and alcohol expert witness, as well as in other areas of forensic toxicology. These trials include civil and criminal trials in military, state and federal courts. By ensuring that the jury understands the multifaceted nature of scientific concepts, Okorie has been able to successfully serve as an expert witness in 54 California counties, 23 U.S. states, and internationally in Germany and Japan. Toxicology Co-Counsel for Depositions and Cross Examination at trial Okorie Okorocha is a sought after by top law firms as a cross-examiner of scientific experts in depositions and at trial. As an attorney, he has been the first cha...

Okorie Okorocha, M.S., M.S., ESQ.

Forensic Toxicologist & Pharmacologist.

TOXICOLAWGY.COM

Hawaii
Toxicology, Pharmacology- Clinical - Lab, Laboratory, Blood testing, Breath Testing, Hospital Testing, Alcohol Impairment, drug impairment, alcohol testing, drug testing, drug effects, drug levels, postmortem drugs, postmortem alcohol, forensic science, blood alcohol, blood drugs, urine testing, urine drug tests, urine alcohol tests
Forensic Toxicologist Okorie Okorocha is a Forensic Toxicologist and expert witness that is widely recognized in his field of work. He has obtained two Master’s Degrees in toxicology and pharmacology. Okorie has served as a forensic toxicology expert witness in more than 700 jury trials and has relevant experience in court as a laboratory testing, drug and alcohol expert witness, as well as in other areas of forensic toxicology. These trials include civil and criminal trials in military, state and federal courts. By ensuring that the jury understands the multifaceted nature of scientific concepts, Okorie has been able to successfully serve as an expert witness in 54 California counties, 23 U.S. states, and internationally in Germany and Japan. Toxicology Co-Counsel for Depositions and Cross Examination at trial Okorie Okorocha is a sought after by top law firms as a cross-examiner of scientific experts in depositions and at trial. As an attorney, he has been the first cha...

Joshua N Nogar, MD

Medical Toxicologist & Emergency Medicine Faculty

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, 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 ...

Okorie Okorocha, M.S., M.S., ESQ.

Forensic Toxicologist & Pharmacologist.

TOXICOLAWGY.COM

Washington
Toxicology, Pharmacology- Clinical - Lab, Laboratory, Blood testing, Breath Testing, Hospital Testing, Alcohol Impairment, drug impairment, alcohol testing, drug testing, drug effects, drug levels, postmortem drugs, postmortem alcohol, forensic science, blood alcohol, blood drugs, urine testing, urine drug tests, urine alcohol tests
Forensic Toxicologist Okorie Okorocha is a Forensic Toxicologist and expert witness that is widely recognized in his field of work. He has obtained two Master’s Degrees in toxicology and pharmacology. Okorie has served as a forensic toxicology expert witness in more than 700 jury trials and has relevant experience in court as a laboratory testing, drug and alcohol expert witness, as well as in other areas of forensic toxicology. These trials include civil and criminal trials in military, state and federal courts. By ensuring that the jury understands the multifaceted nature of scientific concepts, Okorie has been able to successfully serve as an expert witness in 54 California counties, 23 U.S. states, and internationally in Germany and Japan. Toxicology Co-Counsel for Depositions and Cross Examination at trial Okorie Okorocha is a sought after by top law firms as a cross-examiner of scientific experts in depositions and at trial. As an attorney, he has been the first cha...