Your spine, our specialty!
Rediscover life without limits.
Trusted German spine specialists delivering world-class motion-preserving solutions and advanced minimally invasive surgeries.
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Discover ONZ! Where precision meets compassion
Most mobility-preserving spinal instrumentation worldwide
Excellence, innovation, and unmatched precision – that’s what ONZ is known for. With decades of experience, our specialists deliver advanced spine care that sets global standards. Combining cutting-edge technology with a patient-centered approach, we are proud to offer treatments that restore mobility and improve quality of life. Our commitment to quality, precision, and results has earned us trust and recognition far beyond our borders, making ONZ a destination for patients worldwide.
The Spine Specialists.
Get the help you need from the doctors you trust

Dr. Guido Ostermann
Expert in neurosurgery with a focus on conservative, minimally invasive, and surgical approaches to managing chronic pain in the cervical and lumbar spine.
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Dr. Bernd Illerhaus
Specialist in neurosurgery, spinal surgery, and manual medicine/chirotherapy, with expertise in advanced endoscopic techniques and the treatment of degenerative and traumatic spinal conditions.
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Dr. Thomas Bierstedt
Dr. Thomas Bierstedt specializes in neurosurgery and excels in both conservative and surgical treatments for degenerative and traumatic spinal disorders.
Learn moreTrip Agenda.
Get in contactExperience unmatched spine care with ONZ Expertise
At ONZ, we offer world-class spine care for UK patients, specialising in mobility-preserving spinal procedures. With unmatched expertise, our team performs more advanced surgeries than any other centre worldwide. We ensure a smooth experience with short waiting times and comprehensive aftercare. From arrival to departure, everything is taken care of, allowing patients to focus on their recovery. Our highly qualified German specialists provide top-level care, and as we are independent of specific prosthesis manufacturers, we always choose the best solution for each patient.
Get help todayContact Us
Have questions or need more information? Send us your inquiry, and one of our dedicated specialists, located across the USA, will contact you promptly to provide personalized assistance.


