Eric M Orenstein, MD, MBA Expert Witness

Contact this Expert Witness

  • Additional States: Illinois and Ohio
  • Company: IU Health Arnett Hospital
  • Phone: 765 448 8000
  • Cell: 616 644 6348
  • Fax: 765 838 4382
  • Website:

Specialties & Experience of this Expert Witness

General Specialties:

Orthopedic Surgery and Independent Medical Examinations

Keywords/Search Terms:

Hip and Knee Replacements, Revisions, Sports Injuries, Knee Arthroscopies, Arthritis of Hip and Knee, Fracture Care, Rotator Cuff Surgery, Independent Medical Evaluations, Joint Reconstruction, Hip Specialist, Knee Specialist, Causation


MD, University of Maryland School of Medicine; MBA, Xavier University

Years in Practice:


Number of Times Deposed/Testified in Last 4 Yrs:


Additional Information

I am a board-certified fellowship trained orthopedic surgeon in my 34th year of practice. I am fellowship trained in Joint Reconstructive Surgery specializing in hip and knee replacements including partial knee replacement, anterior hip replacement and complex revision surgeries. I am participating in the Maintenance of Certification and am Board Certified through December 31, 2028. I am licensed in Indiana, Ohio, Washington state, and Oregon. I have an Expert Witness Certificate in Florida. I perform file reviews including medical necessity reviews and quality reviews, independent medical exams, and have been an expert witness in malpractice and personal injury cases. I also perform Disability Reviews and Medical necessity reviews for the Department of Labor. I am a fellow of the American College of Surgeons, AAOS, and AAHKS and am on the Editorial Board of the Journal of Arthroplasty. I am an Adjunct Clinical Assistant Professor of Orthopedic Surgery with the IU School of Medicine participating in the teaching of medical students and residents.