Spine Leaders

Branko Ppra, MD, is a board-certified orthopedic spine surgeon at Milwaukee-based Branko PRPA MD Spine Surgery.

Daniel M. Birk, MD, is a neurosurgeon and the director of the Neurosurgery Spine Center at Stony Brook (N.Y.) Medicine.

Langston T. Holly, MD, is a board-certified neurosurgeon and co-director at UC Los Angeles Spine Center in Santa Monica.

Ali Araghi, DO, is a board-certified orthopedic spine surgeon at Phoenix-based The CORE Institute.

K. Samer Shamieh, MD, is a board-certified orthopedic spine surgeon and medical director at New Orleans-based DISC of Louisiana.

Sean Keem, MD, is a board-certified orthopedic spine surgeon at The Polyclinic in Seattle.

Peter D. Angevine, MD, is a board-certified neurosurgeon at New York City-based Daniel and Jane Och Spine Hospital at NewYork-Presbyterian.

Veetai Li, MD, is a board-certified pediatric neurosurgeon at University at Buffalo (N.Y.) Neurosurgery.

Sanford E. Emery, MD, is a board-certified orthopedic spine surgeon at Morgantown-based West Virginia University School of Medicine.

Carlos Bagley, MD, is a board-certified neurosurgeon and associate professor at University of Texas Southwestern Medical Center in Dallas.