Dr. Blumenthal is an occupational physician, with training in pharmacology and toxicology and clinical experience in trauma. He received his M.D. degree from the medical school in Bonn, Germany, and his M.P.H. from the joint program at University of Medicine and Dentistry of New Jersey and Rutgers. He is a Diplomate of the American Board of Preventive Medicine in Occupational Medicine as well as the American Board of Independent Medical Examiners. Hence, he is a Certified Independent Medical Examiner (CIME) and also a Certified Medical Review Officer (CMRO).

Dr. Blumenthal enjoys teaching and speaking assignments. He holds an appointment as Clinical Assistant Professor of Medicine at the Rutgers - NJMS.  Locally, he has served as President of the Essex County Medical Society in 2003/4.  Regionally, he has chaired the Council on Communications 2003/5 and has served on the Council on Legislature and the Bioterrorism Task Force.  Presently he serves on the Bioethics Committee and as President Elect of the Medical Society of New Jersey.  Nationally, he has served as Speaker of the House of Delegates of the American College of Occupational and Environmental Medicine and as member of the Executive Committee of that College in 2004/5.  He is a former member of ACOEM’s Board.