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Physical Therapy Expert Witness
Dr. Davis Koh is a licensed physical therapist with over 25 years of clinical experience in sports and orthopedic physical therapy, and he has served as an expert witness for many private cases. This page summarizes his qualifications for those considering him for an expert-witness engagement.

Professional background
Qualifications
Dr. Koh founded KOH Physical Therapy Lab and continues to treat patients. Before that he was a staff physical therapist at UCLA Medical Center and completed an Orthopedic Residency Program with Kaiser Permanente.
He teaches manual therapy techniques to other clinicians through continuing education, and he is a member of the APTA Specialization Academy of Content Experts (SACE).
Expert-witness experience
Within the medical-legal field, Dr. Koh has served as an expert witness in litigation for universities, national skilled nursing facilities and the government, as well as for many private cases. He has been contracted by the U.S. Government for lawsuits involving the U.S. Department of Health and Medicare.
Subject cases have included soft tissue mobilization, joint thrust techniques and rehabilitation exercise malpractice.
Education
- Doctor of Physical Therapy
- University of Southern California
- Master's degree in Physical Therapy
- University of Southern California
- Master of Business Administration, 2007
- USC Marshall School of Business
- B.S. in Physiological Sciences
- University of California, Los Angeles
Certifications and training
- Board-Certified Geriatric Clinical Specialist (GCS)
- Certified Strength and Conditioning Specialist (CSCS), National Strength and Conditioning Association
- Certified in Fascial Manipulation
- Certified Graston Technique provider
- Certified in Active Release Techniques
- Certified in Functional Movement Screening
- Certified in Blood Flow Restriction exercise
- Certified Russian Kettlebell Instructor (RKC)
- USA Weightlifting certified coach
- Certified provider, Immediate Care in Rugby (ICIR)
Areas of expertise
Subjects within his practice
These are the areas of physical therapy in which Dr. Koh practices and teaches. Whether a particular matter falls within them is discussed at the time of inquiry.
Orthopedic and sports physical therapy
Evaluation, treatment planning and rehabilitation of musculoskeletal injuries.
Soft tissue mobilization
Including instrument assisted soft tissue mobilization, which he also teaches to clinicians.
Joint mobilization
Manual joint techniques for the spine and extremities, a subject of his continuing education courses.
Therapeutic and rehabilitation exercise
Exercise prescription and progression, informed by his strength and conditioning certification.
Geriatric physical therapy
Care of older adults, for which he holds national board certification.
Contact
Expert Witness Inquiries
For inquiries regarding Dr. Koh's availability and qualifications for a potential expert-witness engagement, please contact his office.
Subject: Expert Witness Inquiry: Dr. Davis Koh
Please do not include confidential case details or protected health information in a first message. Sending an inquiry does not create an engagement.