Dedicated to Excellence in Care, Innovation, and Community.
More than A Decade of Care
Overview
Zeiders Orthopedics, PLLC was established in 2016 and specializes in general orthopedics and trauma care. The practice provides comprehensive evaluation and treatment for patients of all ages, offering experienced, patient-centered care in a welcoming environment. A wide range of insurance plans are accepted, including Workers’ Compensation and third-party cases.
With an experienced physician and knowledgeable staff, the clinic is equipped with in-office X-ray and ultrasound services for convenient, efficient diagnosis and treatment. Zeiders Orthopedics also offers affordable PRP (platelet-rich plasma) injections, providing patients with advanced, non-surgical treatment options to support healing and recovery.
Dr. Gregory Zeiders
Board-Certified Orthopedic Surgeon
Dr. Gregory Zeiders is a board-certified orthopedic surgeon and Fellow of both the American Osteopathic Academy of Orthopedics (FAOAO) and the American Academy of Orthopaedic Surgeons (FAAOS). He specializes in trauma, fracture care, deformity correction, and arthroscopic surgery, and founded Zeiders Orthopedics PLLC in Oklahoma City to provide advanced, personalized care for patients with bone, joint, and sports-related injuries.
Originally from Bartlesville, Oklahoma, Dr. Zeiders competed in gymnastics at the University of Oklahoma before pursuing his medical degree at Oklahoma State University College of Osteopathic Medicine. He completed advanced fellowship training in both the U.S. and Australia, with a focus on complex orthopedic trauma and reconstruction.
For the past 13 years, Dr. Zeiders has served as an oral board certification and board defense examiner for the American Osteopathic Academy of Orthopedics, helping shape and uphold the standards of the specialty. In addition, he has worked with the Academy Fellowship Committee for the last 5 years as well as a consultant and researcher with multiple orthopedic companies, contributing to innovation in fracture management, implants, and surgical techniques.
Beyond his surgical practice, Dr. Zeiders has published research, taught medical students and residents, and served as Chief of Surgery at the University of Oklahoma Medical Center–Edmond. He also supports athletes as a physician for the Nadia Comaneci International Gymnastics Tournament.
When he’s not in the operating room, Dr. Zeiders enjoys spending time with his three sons and his large extended family.
Debra Hallmark
Front Desk/Scheduler
Debra Hallmark is a dedicated Front Desk/Scheduler at Zeiders Orthopedics, where she has been a valued team member for nine years. Originally from Elk City, Debra earned her Bachelor of Arts in Education from Southwestern Oklahoma State University. She is known for her warm, welcoming presence and strong organizational skills. Outside of work, Debra enjoys live music, spending time with her cats, and making memories with her family.
Samantha Siders, MA
Medical Assistant
Samantha Siders is a dedicated Medical Assistant, Workers’ Comp Coordinator, and Precertification Specialist at Zeiders Orthopedics, where she has been a valued team member for nine years. With 11 years of experience as a medical assistant and a strong background in medical office billing, she brings extensive knowledge and attention to detail to her role. Outside of work, Samantha enjoys attending concerts, reading, playing bingo, and spending quality time with her kids and grandkids.
Lindsay Harrold, RN
Registered Nurse, Surgery Scheduler, and Office Manager
Lindsay Harrold, RN, is a Registered Nurse, Surgery Scheduler, and Office Manager who has worked alongside Dr. Zeiders for 19 years at Zeiders Orthopedics. She earned her Bachelor of Science in Nursing from the University of Oklahoma and brings leadership, experience, and dedication to her role. Outside of the office, Lindsay enjoys spending time with family and friends, traveling, watching her boys play sports and attending sports events with her husband and kids, and playing Mahjong.