File Review Expert Witnesses

File review expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on file review. The file review expert witness listings on this page are typically from fields/areas of expertise such as: Diagnostic Radiology, Orthopedic Surgery, and Ultrasound.

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Joseph W. Stengel, DO

California
Diagnostic Radiology, Ultrasound - Abdominal imaging, general radiology, breat imaging, mammography, body imaging, ultrasound, obstetric ultrasound, CT, MRI, gastrointestinal imaging, biopsy and drainage, case review, peer review, file review, case merit evaluation
ABR board-certified, fellowship-trained Diagnostic Radiologist licensed in Washington and California. 11 years of experience as expert witness. Former Department Chair and Chief of Staff at a high-volume community teaching hospital practicing all aspects of general radiology including CT, US, MRI, nuclear medicine, radiography, mammography and nonvascular interventional procedures. Extensive experience with spine imaging and image-guided pain management. Subspecialty interest, academic appointment, and publications in abdominal imaging and ultrasound. Former Assistant Clinical Professor in Section of Abdominal Imaging, Department of Radiology at UCSF. Recognition for teaching excellence. Actively involved in hospital quality, utilization review and peer review activities.
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Joshua J Niemann, MD

Liberty, Missouri
Orthopedic Surgery - Orthopedic Trauma, Joint Reconstruction, General Orthopedics, Malpractice, File Review, IME
Dr. Joshua Niemann is a Board Certified and esteemed orthopedic surgeon at Liberty Hospital, bringing 17 years of specialized experience in joint reconstruction and trauma care. Renowned for his meticulous surgical techniques, focus on minimally invasive joint replacement, and compassionate patient approach, Dr. Niemann has successfully performed thousands of surgeries, helping patients regain mobility and return to their active lifestyles. Licensed in Missouri, certified by the American Board of Orthopedic Surgeons, Fellow of the American Academy of Orthopedic Surgeons, and a member of the American Association of Hip and Knee Surgeons, and Missouri Orthopedic Society.
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Joseph W. Stengel, DO

Aberdeen, Washington
Diagnostic Radiology, Ultrasound - Abdominal imaging, general radiology, breat imaging, mammography, body imaging, ultrasound, obstetric ultrasound, CT, MRI, gastrointestinal imaging, biopsy and drainage, case review, peer review, file review, case merit evaluation
ABR board-certified, fellowship-trained Diagnostic Radiologist licensed in Washington and California. 11 years of experience as expert witness. Former Department Chair and Chief of Staff at a high-volume community teaching hospital practicing all aspects of general radiology including CT, US, MRI, nuclear medicine, radiography, mammography and nonvascular interventional procedures. Extensive experience with spine imaging and image-guided pain management. Subspecialty interest, academic appointment, and publications in abdominal imaging and ultrasound. Former Assistant Clinical Professor in Section of Abdominal Imaging, Department of Radiology at UCSF. Recognition for teaching excellence. Actively involved in hospital quality, utilization review and peer review activities.