President, Chief Medical Officer
Occumedix
Dr. Natalie Hartenbaum is President and Chief Medical Officer of OccuMedix, an occupational medicine consulting firm located in Dresher, PA (at this program speaking on behalf of OccuMedix) and is currently serving as Chief Medical Officer of Norfolk Southern Railway (not speaking on behalf of NS). She is certified by the American Board of Internal Medicine and the American Board of Preventive Medicine (Occupational Medicine in Occupational and Environmental Medicine). She has been listed on the FMCSA’s NRCME since its inception and is a certified Medical Review Officer. Dr. Hartenbaum has extensive experience in the clinical, corporate, and academic settings and is a nationally recognized expert in workplace drug testing and occupational fitness for duty with a special focus on transportation.
Dr. Hartenbaum is the editor of The DOT Medical Examination: An Unofficial Guide to Commercial Driver Medical Certification, now in its seventh edition and is the course director for ACOEM’s National Registry of Certified Medical Examiner training program. She has published extensively and lectured nationally on various issues of fitness for duty evaluations in the workplace.
Dr. Hartenbaum is on the teaching faculty of the University of Pennsylvania.
Dr. Hartenbaum is Past-President of the American College of Occupational and Environmental Medicine and a former member of the Board of Trustees of the American Board of Preventive Medicine.
Dr. Hartenbaum holds a BA in Biology from Temple University, an MD from Temple University School of Medicine and an MPH in Occupational Medicine from Medical College of Wisconsin.
116 - Commercial Driver Medical Examiner Update
Sunday, April 19, 2026
2:45 PM - 3:45 PM CT
All relevant financial relationships have been mitigated.
Disclosure(s):
No financial relationships to discloseMonday, April 20, 2026
10:30 AM - 11:30 AM CT
All relevant financial relationships have been mitigated.
Disclosure(s):
No financial relationships to discloseMonday, April 20, 2026
12:45 PM - 1:45 PM CT
All relevant financial relationships have been mitigated.
Disclosure(s):
No financial relationships to disclose