Spine Leaders

Sumeer Lal, MD, is a board-certified neurosurgeon at Greenwood-based South Carolina Spine Center, which is part of Self Regional Healthcare in Greenwood.

Uri M. Ahn, MD, is a board-certified orthopedic spine surgeon at New Hampshire NeuroSpine Institute in Bedford.

Mohamed Abdulhamid, MD, is a board-certified neurosurgeon, founding director and CEO at Royal Spine Surgery in Phoenix.

Wally Krengel III, MD, is a board-certified orthopedic spine surgeon and chief of spine surgery at Seattle Children's Hospital.

Frank H. Valone III, MD, is an orthopedic spine surgeon at California Pacific Orthopaedics in San Francisco.

Daniel T. Laich, DO, is a board-certified neurosurgeon and neurosurgery chief at Chicago-based Swedish Covenant Health.

Alfred O. Ogden, MD, is a board-certified neurosurgeon at New York City-based Columbia University Medical Center.

Evalina Burger, MD, is a board-certified orthopedic spine surgeon at the University of Colorado Hospital in Aurora.

Federico P. Girardi, MD, is a board-certified orthopedic spine surgeon at New York City-based Hospital for Special Surgery.

Jacob M. Buchowski, MD, is a board-certified orthopedic spine surgeon at St. Louis-based BJC Healthcare.