Public Health Expert Witnesses in Massachusetts

Boston, Massachusetts

Epidemiology, Internal Medicine - public health, health policy, health economics, causal inference, econometrics, pulmonology, critical care, data analysis, insurance claims, health services, statistics, research, intensive care, hospital, causation, data science, outcomes, artificial intelligence

Dr. Christopher M. Worsham uses epidemiologic and econometric methods to perform large database research on causal associations, physician behavior, resource utilization, and health care policy as a faculty member of Harvard Medical School. He is also a practicing pulmonary and critical care physician at Massachusetts General Hospital and applies evidence-based medicine in his provision of health services and evaluation of scientific questions in health care settings. Dr. Worsham has particular research interest in the intensive care unit, for which he has received a career development grant award from the Agency for Healthcare Research in Quality. His research has been published in peer-reviewed journals including The New England Journal of Medicine, The BMJ, and JAMA Internal Medicine. An advocate of public education about medicine, health, statistics, epidemiology, and biomedical sciences, Dr. Worsham coauthored the book "Random Acts of Medicine" and has written for popular publi...

Boston, Massachusetts

Emergency Medicine, Public Health - sepsis, neurologic emergencies, acute respiratory failure, emergency OB complications, health disparities, risk management, administration, airway management, mental health emergency, stroke, chest pain, neurologic emergency, locums, rural medicine, urgent care, hospital policies, standard of care, electronic medical records, COVID

Trusted medical expertise. Unmatched courtroom clarity. Dr. Ellana Stinson, MD, MPH, MBA, is a board-certified emergency medicine physician with extensive clinical, academic, and leadership experience. She is currently in active practice at a Level 1 trauma center and has provided care across a diverse range of settings—from urban hospitals and rural emergency departments to standalone emergency care centers and community health clinics. Her testimony reflects a frontline understanding of medical decision-making under pressure, standard of care evaluations, and systems-level healthcare operations. Dr. Stinson earned her Doctor of Medicine from Meharry Medical College, where she was inducted into the Alpha Omega Alpha Honor Medical Society. She completed her residency training in Emergency Medicine at the Medical College of Georgia, followed by a Master of Public Health in Health Policy and Management from the Harvard T.H. Chan School of Public Health, and a Master of Business A...

Marblehead, Massachusetts

Nursing Homes, Geriatrics - Nursing Home, Standard of Care, Assisted Living, Memory Care Unit Specialist, Dementia Management, End-of-Life Care, Hospitalist Expert, Weight Loss, Infectious Disease Epidemiologist, Public Health, Clinical Teaching Expert, Health Policy Analyst, Medical Researcher, Nutrition

Dr. Mark B. Rohrer, MD – Expert Witness & Consultant Professional Summary Dr. Mark B. Rohrer is a board-certified internist and geriatrician offering expert consulting services for legal matters involving elder care, malpractice, and regulatory compliance. Through Expert Consulting Services, LLC, he provides comprehensive legal consulting, including case evaluations, medical record analysis, and expert testimony. Dr. Rohrer draws upon extensive clinical and leadership experience across hospitals, assisted living communities, and skilled nursing facilities. Areas of Legal & Clinical Expertise - Medical Malpractice & Wrongful Death: Expert case evaluation, record analysis, and testimony. - Nursing Home & Assisted Living Standards: Facility operations, regulatory compliance, resident safety, medication management, and staffing adequacy. - Geriatric & Internal Medicine: Acute and chronic disease management, dementia care, and fall prevention. - Long-Term, Hospice & Palliative Car...