it hurt?
The Cervical Spine



Dr. Bernd Illerhaus
Dr. Bernd Illerhaus is an expert for the conservative and surgical treatment of degenerative and traumatic spinal disorders. More about Dr. Bernd IllerhausDr. Thomas Bierstedt
Dr. Thomas Bierstedt is an expert for the conservative and surgical treatment of degenerative and traumatic spinal disorders. More about Dr. Thomas BierstedtDr. Guido Ostermann
Dr. Guido Ostermann is an expert for the conservative, minimally invasive and surgical treatment of chronic pain of the neck lower back. More about Dr. Guido OstermannThe Shoulder




Dr. Jan Ahrens
Dr. Ahrens focuses on endoprosthetics, septic and aseptic revision arthroplasty and foot surgery. More about Dr. Jan AhrensLena Wiegand
Lena Wiegand is specialist in Orthopedics / Traumatology. She is certified in manual therapy as well as sonography of infant hips. More about Lena WiegandDr. Maximilian Timpte
Specialist for orthopedic and trauma surgery. His special interests are diseases of the shoulder joint. More about Dr. Maximilian TimpteDr. Bernd Ferkmann
Founder of the ONZ, an experienced specialist for diseases of the shoulder, elbow, hand and knee and a specialist for orthopedics and trauma surgery More about Dr. Bernd FerkmannThe Lumbar Spine



Dr. Bernd Illerhaus
Dr. Bernd Illerhaus is an expert for the conservative and surgical treatment of degenerative and traumatic spinal disorders. More about Dr. Bernd IllerhausDr. Thomas Bierstedt
Dr. Thomas Bierstedt is an expert for the conservative and surgical treatment of degenerative and traumatic spinal disorders. More about Dr. Thomas BierstedtDr. Guido Ostermann
Dr. Guido Ostermann is an expert for the conservative, minimally invasive and surgical treatment of chronic pain of the neck lower back. More about Dr. Guido OstermannThe Hip



Dr. Jan Ahrens
Dr. Ahrens focuses on endoprosthetics, septic and aseptic revision arthroplasty and foot surgery. More about Dr. Jan AhrensLena Wiegand
Lena Wiegand is specialist in Orthopedics / Traumatology. She is certified in manual therapy as well as sonography of infant hips. More about Lena WiegandDr. Wolfram Steens
Specialist in Orthopaedics & Orthopaedic Surgery. His main focus are joint primary and revision replacements of the hip and the knee. More about Dr. Wolfram SteensThe Knee






Dr. Jan Ahrens
Dr. Ahrens focuses on endoprosthetics, septic and aseptic revision arthroplasty and foot surgery. More about Dr. Jan AhrensLena Wiegand
Lena Wiegand is specialist in Orthopedics / Traumatology. She is certified in manual therapy as well as sonography of infant hips. More about Lena WiegandDr. Wolfram Steens
Specialist in Orthopaedics & Orthopaedic Surgery. His main focus are joint primary and revision replacements of the hip and the knee. More about Dr. Wolfram SteensDr. Maximilian Timpte
Specialist for orthopedic and trauma surgery. His special interests are diseases of the shoulder joint. More about Dr. Maximilian TimpteDr. Bernard Neuhaus
Specialist in Orthopaedics and Traumatology. His special interests are diseases and deformities of the foot. More about Dr. Bernard NeuhausDr. Bernd Ferkmann
Founder of the ONZ, an experienced specialist for diseases of the shoulder, elbow, hand and knee and a specialist for orthopedics and trauma surgery More about Dr. Bernd FerkmannThe Ankle & Foot



Dr. Jan Ahrens
Dr. Ahrens focuses on endoprosthetics, septic and aseptic revision arthroplasty and foot surgery. More about Dr. Jan AhrensDr. Wolfram Steens
Specialist in Orthopaedics & Orthopaedic Surgery. His main focus are joint primary and revision replacements of the hip and the knee. More about Dr. Wolfram SteensDr. Bernard Neuhaus
Specialist in Orthopaedics and Traumatology. His special interests are diseases and deformities of the foot. More about Dr. Bernard NeuhausContact us
We can do a lot to make you feel better. Take advantage of our complete range of services so that you can move freely again.
Dr. Bernd Illerhaus
Dr. Bernd Illerhaus is an expert for the conservative and surgical treatment of degenerative and traumatic spinal disorders.
More about Dr. Bernd IllerhausDr. Wolfram Steens
Specialist in Orthopaedics & Orthopaedic Surgery. His main focus are joint primary and revision replacements of the hip and the knee.
More about Dr. Wolfram SteensDr. Bernd Ferkmann
Founder of the ONZ, an experienced specialist for diseases of the shoulder, elbow, hand and knee and a specialist for orthopedics and trauma surgery
More about Dr. Bernd FerkmannDr. Bernard Neuhaus
Specialist in Orthopaedics and Traumatology. His special interests are diseases and deformities of the foot.
More about Dr. Bernard NeuhausDr. Maximilian Timpte
Specialist for orthopedic and trauma surgery. His special interests are diseases of the shoulder joint.
More about Dr. Maximilian TimpteDr. Guido Ostermann
Dr. Guido Ostermann is an expert for the conservative, minimally invasive and surgical treatment of chronic pain of the neck lower back.
More about Dr. Guido OstermannDr. Thomas Bierstedt
Dr. Thomas Bierstedt is an expert for the conservative and surgical treatment of degenerative and traumatic spinal disorders.
More about Dr. Thomas BierstedtDr. Jan Ahrens
Dr. Ahrens focuses on endoprosthetics, septic and aseptic revision arthroplasty and foot surgery.
More about Dr. Jan AhrensWhere do
you find us?

ONZ in the centr-o-med
Heibeckstr. 30
45711 Datteln
Phone: +49 2363 3669-0
Fax: +49 2363 3669-136
E-Mail: kontakt-da@onz-online.de

ONZ in the Elisabeth-Hospital
Röntgenstr. 10
45661 Recklinghausen
Phone: +49 2361 30238-0
Fax: +49 2361 30238-138
E-Mail: kontakt-re@onz-online.de