Program director
James P. McFadden, MD, FAAOS
Undergraduate Education – Harvard University
Medical School – University of Illinois College of Medicine
Residency Training – University of Illinois College of Medicine
Fellowship Training – University of Florida College of Medicine – Orthopaedic Trauma
Core faculty
Nirav Gupta, DO, FAOOS
Nirav Gupta, DO, FAAOS is a board certified, fellowship trained surgeon in private practice at Twin Palm Orthopedics. He came to Ocala in 2006 to establish his practice after completion of his orthopedic training and has been proud to call Ocala home ever since.
While Dr. Gupta treats musculoskeletal conditions of all types, his practice mainly focuses on fracture repair and upper extremity conditions. He takes pride in staying current with the latest in operative and non-operative orthopedic treatments available for his patients. Additionally, throughout the year, Dr. Gupta devotes his time to teaching the most current orthopedic treatments to other surgeons at various training facilities located throughout the United States. He also enjoys teaching locally and is part of the core teaching faculty at the University of Central Florida/ Ocala Health Orthopedic Residency Program.
Derek Farr, DO, FAOOS
Derek Farr, DO, FAAOS, is a board-certified and fellowship-trained orthopedic surgeon who practices at Twin Palm Orthopedics. He has been practicing in Ocala, Florida, since 2008.
In addition to sports medicine and minimally invasive surgery, Dr. Farr prides himself in providing the most advanced techniques for a variety of orthopedic injuries. His surgical practice also includes total joint replacements of the shoulder, hip, and knee. He was one of the first surgeons to bring the technique of reverse total shoulder replacement to Marion County and was the first surgeon in Marion County to perform Makoplasty robotic-assisted surgery. Dr. Farr has the most experience with robotic surgery utilizing the Mako robot. In 2020, He performed more robotic surgeries in one day than anywhere else in the world. He has been recognized internationally for this achievement. He is proud to provide this cutting-edge technology for his patients in central Florida and beyond.
Dr. Farr also feels it is very important to give back to the profession he loves and is an active part of the orthopedic teaching faculty at Ocala Regional Medical Center, where he trains orthopedic residents.
Karl Siebuhr, MD
Karl Siebuhr, MD, is a skilled orthopaedic specialist practicing at Reconstructive Orthopaedics of Central Florida, located in Ocala, Florida. Dr. Siebuhr has been a board-certified orthopedist for 14 years.
As a board-certified orthopedic surgeon, Dr. Siebuhr has served as an orthopedic surgeon in Ocala and surrounding areas since 2017. He founded Reconstructive Orthopedics of Central Florida with the idea of offering high-quality, patient-focused care utilizing cutting-edge technology, including robotics-assisted knee replacements, as well as joint replacement and sports medicine surgeries of the shoulder, knee, and hip.
Teaching Faculty
Orthopedic Trauma
James P. McFadden, MD, FAAOS
- Medical School: University of Illinois College of Medicine
- Residency: University of Illinois College of Medicine
- Fellowship: Orthopedic Trauma, University of Florida College of Medicine
Karl Siebuhr, MD
- Medical School: Wright State University Boonshoft School of Medicine
- Residency: Orthopedic Surgery, Wright State University
Quinten Tanko, MD
- Medical School: Creighton University School of Medicine
- Residency: Orthopedic Surgery, Grand Rapids Medical Education and Research Center
- Fellowship: Orthopedic Trauma, Hughston Foundation
Upper Extremity/Hand
Nirav Gupta, DO, FAAOS
- Medical School: Arizona College of Osteopathic Medicine
- Residency: Pontiac Osteopathic Hospital and Medical Center, Pontiac, MI
- Fellowship: Hand and Upper Extremity, Florida Orthopedic Institute, Tampa, FL
Zakariah Mahmood, MD
- Medical School: University of Miami
- Residency: University of Miami
- Fellowship: Shoulder and Elbow, Brown University
Adult Reconstructive Surgery
Derek Farr, DO, FAAOS
- Medical School: Nova Southeastern University
- Residency: Pontiac Osteopathic Hospital, Pontiac, MI
- Fellowship: Sports Medicine, Miami Sports Medicine - Orthopedic Institute
Joseph Locker, MD
- Medical School: Georgetown University School of Medicine
- Residency: Tulane University
DJ Lombardo, MD
- Medical School: University of Toledo College of Medicine
- Residency: Beaumont Health, Royal Oak, MI
Marc Rogers, DO
- Medical School: Chicago College of Osteopathic Medicine
- Residency: Peninsula Hospital Center, LIJ Health System, New York
- Fellowship: Sports Medicine/Adult Knee Reconstruction, Orlando, FL
Spine
Jacob Freeman, MD
- Medical School: Georgetown University School of Medicine
- Residency: University of Colorado
- Fellowship: Skull Base Surgery, University of Colorado; Skull Base Tumor Surgery, University of Texas MD Anderson Cancer Center
Shawn Rai, MD
- Medical School: Florida Atlantic University
- Residency: Neurosurgery, SUNY Upstate Medical School
- Fellowship: Neurosurgical Oncology, Emory University
Foot and Ankle
Scott Goldstein, DPM
- Podiatry School: Barry University School of Graduate Medical Sciences
- Residency: Florida Hospital East Orlando, Orlando, FL (Podiatric Medicine & Surgery)