Meet the Fellows

Each year, 12 new Fellows join Columbia Orthopedics

HAND & UPPER EXTREMITY

headshot of Alexandra Stein

 

 

 

 

Alexandra M. Stein, MD

Residency: Greater Paris University Hospital
Medical School: Université Paris V, René Descartes
Undergraduate: Université Paris V, René Descartes

 

2026 Hand & Upper Extremity Fellowship Prospectus

HIP & KNEE

Headshot of Brian Ang, MD

 

 

 

 

Brian Ang, MD
Residency: Zucker School of Medicine at Hofstra/Northwell Lenox Hill Hospital
Medical School: Cornell University Medicine School
Undergraduate: Rice University

 

2026 Hip & Knee Fellowship Prospectus
Headshot of Stephanie Kazsuba, MD

 

 

 

 

Stephanie V. Kaszuba, MD
Residency: Yale School of Medicine
Medical School: Rosalind Franklin University of Medicine and Science, Chicago Medicine
Undergraduate: Loyola University Chicago

 

 

Taylor Ottensen, MD

 

 

 

 

Taylor D. Ottensen, MD
Residency: Harvard Medical School, Massachusetts General Hospital
Medical School: Yale School of Medicine
Undergraduate: Brigham Young University

PEDIATRICS

Headshot of Kristen A. Toy, MD

 

 

 

Kristen Toy, MD
Residency: Samaritan Health Services Orthopedic Residency
Residency: UNC, 6-Year Research Track
MD: University of Toledo College of Medicine
Undergraduate: UCLA

 

 

2026 Pediatric Orthopedics Fellowship Prospectus

ADVANCED PEDIATRICS SPINAL DEFORMITY

Headshot of Djani Robertson, MD

 

 

 

Djani M. Robertson , MD
Fellowship: San Diego Spine Foundation Spine Fellowship
Residency: NYU Langone Grossman School of Medicine
Medical School: University of Southern California Keck School of Medicine
Undergraduate: University of Southern California

 

 

2026 Advanced Pediatric Spine Fellowship Prospectus

SHOULDER / ELBOW

Headshot of Henry Fox, MD

 

 

 

 

Henry "Hank" M. Fox, MD
Residency: Johns Hopkins Medicine
MD: Oregon Health & Science University
Undergraduate: Brown University

 

2026 Shoulder / Elbow Fellowship Prospectus

SPORTS MEDICINE

Headshot of Charlie Poff, MD

 

 

 

 

Charlie B. Poff, MD
Residency: University of Chicago School of Medicine
MD: University of South Carolina College of Medicine
Undergraduate: University of South Carolina

 

2026 Sports medicine Fellowship Prospectus

SPINE

Headshot of Travis CREVECOEUR, md

 

 

 

Travis S. Crevecoeur, MD
Residency: Columbia Neurological Surgery
MD: Washington University, St. Louis
Undergraduate: Florida State University

 

 

Headshot of Luke Mugge, MD

 

 

 

Luke A. Mugge, MD
Fellowship: Barrow Neurological Institute
Residency: Inova Fairfax Medical Campus, Department of Neurosurgery 
MD: The University of Toledo College of Medicine and Life Sciences
Undergraduate: Hillsdale College

 

Headshot of Sean Munier, MD

 

 

Sean M. Munier, MD
Residency: New Jersey Medical School
MD: Rutgers Robert Wood Johnson Medical School 
Undergraduate: Loyola University Maryland

 

 

Headshot of James Yu, MD

 

 

 

Matthew E. Simhon, MD
Residency: University of Southern California
Medical School: Brown University, Warren Alpert Medical School
Undergraduate: Vanderbilt University

 

 

2026 Och Spine Adult & Pediatric Comprehensive Spine Fellowship Prospectus

 

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