Dr. Robert A. Ertner, MD, is a highly experienced, board-certified anesthesiologist offering expert witness services in anesthesiology across California. With a practice that spans over two decades, Dr. Ertner brings a wealth of knowledge and a deep understanding of medical procedures, making him a valuable resource for both plaintiff and defense attorneys in need of expert testimony related to anesthesia malpractice, surgical procedures, and more. His expertise extends to cases requiring specialized knowledge in cardiac and thoracic anesthesia, in which he is fellowship-trained.
About Dr. Robert A. Ertner, MD
Dr. Ertner is based in Northern California, where he has been a full-time anesthesiologist in private practice. He is available to serve as an expert witness in legal cases involving anesthesia and surgical procedures. In addition to his clinical work, Dr. Ertner has taught anesthesiology to medical residents and certified registered nurse anesthetists (CRNAs), sharing his vast knowledge with the next generation of healthcare professionals. Dr. Ertner’s practice covers a wide variety of surgeries, including general, orthopedic, bariatric, urologic, vascular, and neurological surgeries, specializing in cardiac and thoracic surgical procedures.
Dr. Ertner’s Credentials and Experience
Dr. Ertner’s credentials are a testament to his skill and commitment to the field of anesthesiology. He received his board certification in 2005, with re-certification in 2015, ensuring his continued excellence in the field. Additionally, Dr. Ertner became a diplomate in intra-operative echocardiography in 2007. He is licensed to practice in multiple states, including California, Texas, Georgia, and Missouri. His extensive experience and training make him a trusted source of knowledge for those seeking expert analysis and testimony.
Medical-Legal Expertise
Dr. Ertner became involved in medical-legal work in 2013, using his expertise to assist attorneys and healthcare professionals. He has provided expert testimony in a variety of forms, including written reports, depositions, and court appearances. His clients include both plaintiff and defense attorneys, as well as individuals seeking assistance with anesthesia-related medical claims. His experience in medical malpractice, particularly in the areas of anesthesia and cardiac surgery, makes him uniquely qualified to support complex cases.
Areas of Expertise
- Anesthesia malpractice cases
- Cardiac and thoracic surgery anesthesia
- General, orthopedic, bariatric, and neurological anesthesia
- Expert witness testimony for both plaintiffs and defense
- Intra-operative echocardiography
- Anesthesia-related legal cases in California and beyond
Conclusion
Dr. Robert A. Ertner, MD, offers trusted expert witness services in the field of anesthesiology. His extensive clinical experience, combined with his background in medical-legal work, makes him a reliable choice for attorneys in California and beyond. Whether you are dealing with a case involving anesthesia malpractice, complex surgical procedures, or cardiac surgery, Dr. Ertner’s expert testimony can provide invaluable insight and clarity.
For more information or to contact Dr. Robert A. Ertner, MD, visit his website.

