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Russell Kamer, MD | Medical Expert Witness

Medical Expert Witness
Internal Medicine • MRO Drug Testing • Cannabis • DOT Driver Fitness

Russell Kamer, MD is a board-certified internist, occupational medicine physician, certified Medical Review Officer, and FMCSA Certified Medical Examiner. He provides expert analysis and testimony in matters involving internal medicine standards of care, workplace drug testing and MRO procedures, cannabis impairment and adverse effects, occupational medicine, and commercial-driver medical fitness.

Core Areas of Expertise

  • Primary Care Internal Medicine Standard of Care

  • Cannabis Science & Impairment Evaluation

  • Occupational Medicine

  • DOT Physicals & Commercial Driver Requirements

  • Drug Testing Interpretation

  • DOT Part 40 Compliance

  • Internal Medicine Standards of Care

  • Drug Testing and MRO Procedures

  • DOT Part 40 Compliance

  • Cannabis Impairment and Adverse Effects

  • FMCSA Commercial-Driver Medical Fitness

  • Occupational Medicine and Fitness for Duty

Cannabis Medicine & Science

  • Cannabis impairment and driving

  • Marijuana induced psychosis

  • Cannabis hyperemesis syndrome

  • Cardiovascular and cognitive effects

  • Medical marijuana standards of care

  • Workplace and public-safety implications

Russell Kamer, MD | Medical Expert Witness in Cannabis Impairment & Medical Marijuana
Russell Kamer, MD | Medical Expert Witness. Board-certified internist with decades of office-based primary care experience

Internal Medicine Standards of Care

Board-certified internist with more than 30 years of active primary-care experience. Expert review of diagnosis, treatment, medication management, referrals, cancer screening, follow-up, causation, and internal medicine standards of care. Experienced in trial testimony involving internal medicine cases.

MRO Expert Witness in Drug Testing

  • Former NCAA Drug Testing Crew Chief and 1996 Olympic Doping Control Medical Officer. Certified Medical Review Officer since 1993, with hundreds of thousands of workplace drug tests reviewed. Expertise includes MRO verification decisions, donor interviews, prescription review, documentation, collection issues, and DOT Part 40 compliance.
Russell Kamer, MD | Medical Expert Witness in MRO Interpretation & Workplace Drug Testing
Russell Kamer, MD | Medical Expert Witness in Occupational Medicine, FMCSA, CDL Driver Exams and DOT Part 40 Regulations

Representative MRO & DOT Matters

Selected Credentials

MRO verification decisions
Prescription and medical history review
Donor interviews and documentation
DOT Part 40 procedures
Drug-testing collection issues
FMCSA medical qualification standards
Commercial-driver fitness for duty

Board-Certified Internist
Certified Medical Review Officer, 30+ years
Certified in Cannabis Science and Medicine

Certified FMCSA Medical Examiner
Former NCAA Drug Testing Crew Chief
Doping Control Medical Officer, 1996 Olympic Games

Occupational Medicine Physician

DOT Driver Fitness & Occupational Medicine

FMCSA Certified Medical Examiner with more than 30 years of experience evaluating commercial-driver medical fitness, workplace safety, and fitness for duty. Dr. Kamer has performed or supervised tens of thousands of DOT examinations and applies FMCSA medical standards in complex driver-fitness cases.

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