Lawrence S. Mayer, MD, MS, PhD

Dr. Lawrence S. Mayer, MD, MS, PhD

3607 N. 55th Place
Phoenix , AZ 85018
Mobile: 410-336-2100
Office: 602-549-4885
Fax: 480-247-4989


Dr. Mayer is a full-time professor of biostatistics, epidemiology, biomedical informatics, public health and psychiatry. He does a limited amount of consulting mostly in biostatistics, statistics, epidemiology and clinical trials. He is one of the few MD/PhD biostatistician-epidemiologists. He splits his time between the Scottsdale, AZ and Annapolis, MD where he serves as a Scholar in Residence, Department of Psychiatry, Johns Hopkins Medicine.

He has worked on a wide range of problems in a variety of specialties in Public Health and Medicine. The common component of these problems is that there is a data set to analyze or, more commonly, there are statistical studies to be reviewed and evaluated. These include clinical trials, epidemiological analyses, and statistical reviews such as meta-analyses.

Prides himself on being able to communicate complex ideas in simple language. His primary interests are the evaluation of statistical and epidemiological data and models in a clinical, regulatory, or legal arena.

Has worked on problems in drug and device development, testing and regulation, product liability, patent disputes, occupational and environmental exposures, and medical malpractice. Has worked on data and analyses in numerous specialties including toxicology, internal medicine (cardiology, endocrinology, etc.) Ob/Gyn, psychiatry, and surgery. Prefers problems that are complex.

Areas of Expertise

  • Chemicals
  • Criminal Law
  • Drug Abuse
  • Endocrinology
  • Environmental Toxicology
  • Epidemiology
  • FDA
  • Gastroenterology
  • Geriatrics
  • Gynecologic Oncology
  • Health Care Litigation
  • Hepatology (Liver)
  • Internal Medicine
  • Medical Devices
  • Medical Malpractice
  • Nephrology (Kidney)
  • Neurology
  • Neuropharmacology
  • Neuropsychiatry
  • Occupational/Environmental Health
  • Oncology
  • OSHA
  • Pain Management
  • Patents
  • Personal Injury
  • Police Procedures
  • Preventive Medicine
  • Psychiatry
  • Psychology
  • Sexual Abuse
  • Spine Surgery
  • Suicide
  • Wrongful Death

Expert Background

Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
A: MD with post-doctoral training in medical epidemiology and with PhD in statistics and biostatistics. Full professor of biostatistics, epidemiology, public heath and medicine. Has worked on problems in product liability, drug and device approval, monitoring for safety, causality, clinical trials, evaluation of epidemiological evidence, occupational and environmental exposures and malpractice. His one of the few physicians with a PhD in statistics with specialization in biostatistics and epidemiology.
Q: Please list your affiliations or memberships in any professional and/or industry organizations:
A: Many societies over the years including the Royal Statistical Society (Fellow), The Society for Epidemiological Research, The American Association for Advancement in Science, The Society for Environmental Epidemiology, The American Statistical Association, Society for Controlled Clinical Trials, The Institute of Mathematical Statistics and several others
Q: Please list any teaching or speaking experience you have had, including subject matter:
A: Has been a full-time professor for 40+ years. Has taught epidemiology, clinical epidemiology, evidence-based medicine and basic and advanced courses and seminars in statistics and biostatistics. Has given dozens of public speeches and presented dozens of papers at professional meetings. Considered to be a dynamic teacher, superb public speaker and excellent communicator
Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
A: no
Q: On how many occasions have you been retained as an expert?
A: About 400 times over 40 years including being a consulting expert as well as being a testifying expert (about 300 times)
Q: For what area(s) of expertise have you been retained as an expert?
A: Epidemiology, Biostatistics, Clinical Trials, Social Methodology, Model Evaluation, Statistical Review; Malpractice, Product Liability, Wrongful Death, Clinical Trials Evaluation, Data Mining, Evaluation of Epidemiological Studies. Product Lability, Patent Disputes, Drug and Device Development, Approval and Safety Monitoring, Environmental Epidemiology, Occupational Epidemiology, Cardiovascular Epidemiology, Gynecological Epidemiology, Toxicological Epidemiology, Psychiatric Epidemiology, Forensic Epidemiology.
Q: In what percentage of your cases were you retained by the plaintiff?
A: about 50%
Q: In what percentage of your cases were you retained by the defendant?
A: about 50%
Q: On how many occasions have you had your deposition taken?
A: About 100 over 40 years
Q: When was the last time you had your deposition taken?
A: June 2016
Q: On how many occasions have you been qualified by a court to give expert testimony?
A: About 200
Q: On how many occasions have you testified as an expert in court or before an arbitrator?
A: About 30
Q: For how many years have you worked with the legal industry as an expert?
A: About 40
Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
A: Consulting, biostatistical review, statistical analysis, data analysis, study review, model evaluation, valuation of epidemiological studies and clinical trials,evaluation of causal content of epidemiological studies, record review, meta analysis, data mining, report writing,etc.
Q: What is your hourly rate to consult with an attorney?
A: 500
Q: What is your hourly rate to review documents?
A: same
Q: What is your hourly rate to provide deposition testimony?
A: same
Q: What is your hourly rate to provide testimony at trial?
A: same
Q: Please list any fees other than those stated above (E.g.: travel expenses, copy fees, etc.)
A: only direct expenses required to do the assignment


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