National Medical Consultants

If you have medical oversight needs, Concentra’s physicians are available to help on a consulting basis. You’ll have access to a wealth of expertise and experience among the physicians who oversee our medical operations. The same physicians who have helped Concentra grow into one of the nation’s leading health care companies.

James Boswell, D.O., MPH

Concentra Medical Director for Carson City, NV

Subject Matter Expertise
Occupational Medicine and Emergency Medicine

Joseph S. Castorina, M.D., MPH

Member, Medical Expert Panel on Integrated Health, Wellness, and Productivity

Subject Matter Expertise
Occupational Medicine, Family Medicine, Chronic Disease Prevention, and Clinical Prevention Services

Hearan Choo, M.D.

Member, Medical Expert Panel on Infectious Disease and Pandemics

Subject Matter Expertise
Occupational Medicine, Surgery, Emergency Medicine, and Flu Pandemic Preparedness

Thomas J. Hadley, M.D., MPH

Member, Medical Expert Panel on Urgent Care

Subject Matter Expertise
Occupational Medicine, Urgent Care, and Emergency Medicine

Robert D. Jones, M.D.

Member, Medical Expert Panel on Infectious Disease and Pandemics

Subject Matter Expertise
Occupational Medicine, Flu Pandemic Preparedness, and Bioterrorism Preparedness

Maja Jurisic, M.D.

Member, Medical Expert Panel on Integrated Health, Wellness, and Productivity

Subject Matter Expertise
Occupational Medicine and Emergency Medicine

Amy J. Khan, M.D., MPH

Chair, Medical Expert Panel on Integrated Health, Wellness, and Productivity

Subject Matter Expertise
Internal Medicine, Addiction Medicine, General Preventive Medicine, and Public Health

William R. Lewis, M.D.

Chair, Medical Expert Panel on Urgent Care

Subject Matter Expertise
Urgent Care Medicine, Emergency Medicine, and Occupational Medicine

David Lyman, M.D.

Member, Medical Expert Panel on Integrated Health, Wellness, and Productivity

Subject Matter Expertise
Occupational Medicine, Ambulatory Care, Environmental Medicine, Sports Medicine, and Epidemiology

Alfred Martin, M.D., MBA

Member, Medical Expert Panel on Urgent Care

Subject Matter Expertise
Urgent Care Medicine, Ambulatory Care, and Occupational Medicine

Anne-Marie Puricelli, M.D.

Member, Medical Expert Panel on Transportation and Industry

Subject Matter Expertise
Occupational Medicine and Emergency Medicine

Norman Westhoff, M.D., MPH

Member, Medical Expert Panel on Transportation and Industry

Subject Matter Expertise
Occupational Medicine, Preventive Medicine, and Environmental Medicine

Ellison H. Wittels, M.D., FACP

Chair, Medical Expert Panel on Transportation and Industry

Subject Matter Expertise
Occupational Medicine, Transportation and MRO Issues

Arthur Ziporin, M.D.

Member, Medical Expert Panel on Integrated Health, Wellness, and Productivity

Subject Matter Expertise
Occupational Medicine, Internal Medicine, Preventive Medicine, and Wellness

National Medical Consultants

For more information about Concentra’s National Medical Consultants, call Dr. Bill Lewis at 602.256.5945.

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