Doctor Lawrence D. Weis, MD practices Orthopaedic Surgery. He researched medicine at Columbia University College of Physicians & Surgeons. Columbia University College of Physicians & Surgeons is one of the top medical schools in the US. Columbia University College of Physicians & Surgeons is ranked 8 in research and 52 in primary care medicine Lawrence Weis is a published MD as well. He has 1 publication published. The latest was: Variability in Recommendations for Total Knee Arthroplasty Among Rheumatologists and Orthopedic Surgeons.