Natalie P. Hartenbaum

Natalie P. Hartenbaum, M.D., M.P.H., F.A.C.O.E.M.

Senior Managing Consultant

Dr. Hartenbaum is certified by the American Board of Internal Medicine and the American Board of Preventive Medicine in Occupational Medicine and has a Master’s of Public Health in Occupational Medicine. She has extensive experience in the clinical, corporate, and academic settings and is a nationally recognized expert in occupational fitness for duty with a special focus on transportation. 

Dr. Hartenbaum is President and Chief Medical Officer of OccuMedix, Inc., an occupational medicine consulting firm located in Dresher, PA. She is the editor of The DOT Medical Examination: A Guide to Commercial Driver Medical Certification, now in its sixth edition and CDME Review, a quarterly newsletter for commercial driver medical examiners. She is the course director for ACOEM’s National Registry of Certified Medical Examiner training program. 

She has published and lectured nationally on various issues of fitness evaluations in the workplace.

Dr. Hartenbaum is on both the clinical and teaching faculty of the University of Pennsylvania and also serves as the Medical Director for several companies. 

She is Past-President of the American College of Occupational and Environmental Medicine and a past member of the Board of Trustees of the American Board of Preventive Medicine. 


Home Office

North Carolina

3310 Green Park Circle Charlotte, NC 28217
  • Phone: (980) 221-8111
  • Fax: (980) 221-8112

ESi's expertise spans dozens of industries and specializations organized across several practice groups, each staffed by dozens of in-house experts with the technical knowledge, hands-on expertise, and courtroom experience required to execute projects for and with our clients from start to finish.

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