To consistently provide comprehensive, impartial, and accurate expert medicolegal reporting facilitating efficient and rapid dispute resolution.


Dr. Matthew Steiner

Dr. Steiner ensures that the core principles of impartiality, objectivity, and professionalism are embodied by each member of the Expedient evaluation team. Our consistent, clear, and responsive reporting is the trademark that our clients have come to depend upon.

Dr. Steiner brings a passion for detailed, accurate, and objective reporting to his work with Expedient, ensuring that each collaborating expert has the experience, knowledge, and abilities required to serve the attorneys, insurers, and various municipalities that have grown to depend upon Expedient for their reporting needs.

Dr. Steiner has a broad forensic background, serving as an expert witness in a wide range of medicolegal cases in Orange, Los Angeles, and San Luis Obispo counties. Dr. Steiner has worked statewide giving testimony on a diversity of medicolegal issues both as an expert witness and as a treating physician. Along with his diverse forensic expertise, Dr. Steiner is dual-board certified in Adult Psychiatry by the American Board of Psychiatry and Neurology, and in Addiction Medicine by the American Board of Addiction Medicine.


Our select group of qualified medical evaluators are supported by our specialized and dedicated team of experienced administrative support professionals who are focused on preventing delays, facilitating appropriate communication, and ensuring that scheduling and logistics of all medicolegal evaluations are seamless for all parties involved. With a focus on quality and collaboration, Expedient has succeeded in accumulating an impeccable administrative support team which is appreciated by all those who choose us to resolve their medicolegal questions and disputes. To learn more about the doctors supported by our administrative team click here.


By adhering to our core principles, Expedient has quickly established itself as the premier medicolegal group providing a diversity of evaluation services to a broad range of clients who have grown accustomed to the consistency, quality, and responsiveness that Expedient provides. To learn more about the diversity of services we provide click here.