General surgery, trauma surgery, and surgical critical care expert witness: Casey Thomas, DO, FACS, FACOS, is a fellowship-trained trauma and acute care surgeon with more than 20 years of clinical experience at Level 1 trauma centers in multiple states. He is board certified in general surgery and surgical critical care and remains in active clinical practice. He is available nationally through Peak Surgical Consulting, LLC.

Training and experience: Dr. Thomas completed his fellowship in trauma surgery and surgical critical care at the University of Maryland's R Adams Cowley Shock Trauma Center. He has held senior clinical, academic, and administrative roles at Henry Ford Hospital, Loyola University Medical Center, University Medical Center (Las Vegas), Davis Hospital and Medical Center, Ridgecrest Regional Hospital, and Abrazo West Campus in Phoenix, Arizona. He has served as Trauma Medical Director, Trauma Section head, and in other leadership roles throughout his career. His practice covers general surgery, multi-system trauma, emergency general surgery, and surgical critical care, with a sub-specialty in complex abdominal wall reconstruction, hernia repair, mesh infections, spine exposure, and advanced wound care, including negative pressure wound therapy (NPWT) and open abdomen management.

Standard of care and hospital oversight: He has chaired trauma peer review, quality improvement, and SICU committees and served on medical executive and credentialing committees.

Health care and medical device consulting: He has consulted for medical device companies, health systems, and hospital networks on product development and evaluation, value analysis, clinical study design, education and training, operating room utilization, supply chain, patient flow, staffing models, and quality improvement. He has served as medical advisor to Solventum (formerly KCI/3M) and as consultant and speaker for LifeCell/Allergan. He holds two patents: a Tube Management System and an Open Wound Negative Pressure Wound Therapy Protection System.

Publications and teaching: He has authored wound care, hernia, and trauma textbook chapters and peer-reviewed articles, including "Management of the Open Abdomen: Improving Outcomes Utilizing Negative Pressure Wound Therapy" in Negative Pressure Wound Therapy (Springer, 2026). He has built two hernia centers with a national referral network. He is an invited national and international lecturer on abdominal wall reconstruction, NPWT, abdominal compartment syndrome, trauma care, and open abdomen management. He is a Fellow of the American College of Surgeons and the American College of Osteopathic Surgeons and a longtime ATLS instructor, and he has received three Educator of the Year awards and a MAGIS Team Award.

Expert witness services: Dr. Thomas has experience in expert testimony, medical record and case review, depositions, physician preparation, and related medicolegal work. He offers case screening, record review, written expert reports, depositions, and trial testimony for plaintiff or defense counsel. He explains complex surgical issues clearly to a judge, jury, or mediator.

Areas of consultation: general and trauma surgery malpractice; delayed or missed diagnosis; damage control and staged abdominal closure; ICU and ventilator management and sepsis recognition; anticoagulation and fall risk in elderly patients; trauma center triage, transfer, and verification standards; hernia repair technique and hernia mesh or biologic graft selection; NPWT complications; open abdomen and enterocutaneous fistula management; necrotizing soft tissue and surgical site infections; spine access surgery and spine exposure; medical device issues; and hospital staffing, credentialing, and peer review adequacy.

Email: CT@peaksurgicalconsulting.com