Medical Legal Consultants Consultants: 21

Lawrence Amsel, MD, MPH, is Board Certified in Psychiatry and Neurology. An Assistant Professor of Clinical Psychiatry at Columbia University College of Physicians and Surgeons and an Attending physician at New York Presbyterian Hospital in New York, NY, he specializes in:

Evidence Based Psychotherapy for Anxiety Disorders - PTSD - Psychological Sequelae of Terrorism

With an MD from Yale University and an MPH in Biostatistics from Columbia University, Dr. Amsel combined his clinical expertise with his analytic mathematics background to become one of the early champions of the application of Decision Science, Game Theory, and Behavioral Economics to Psychiatric Research. 

Dr. Amsel has published numerous articles and delivered presentations, symposia, and workshops on Behavioral Economics and Game Theory and other topics on Mathematical Psychiatry. His speaking services are in demand both nationally and internationally. Dr. Amsel will contribute to the proposed study, “Adolescent and Family Decision Making In Time of Disaster,” as Co-Principal Investigator and will serve as the team expert on decision tasks, helping to incorporate the selected tasks into the overall study design. He will be involved in supervising the collection of data related to these tasks and will help guide study design, data collection and analysis, and assist in the interpretation and publication of research findings. 

In 2003, Dr. Amsel organized the first ever American Psychiatric Association symposium on applications of Game Theory to psychiatry. He has published articles and presented posters on Game Theory modeling of suicide, OCD, and PTSD. After 9/11, Dr. Amsel joined the Trauma Studies and Services division at the New York Psychiatric Institute, and has been involved in treating victims of 9/11 and their families, in training community clinicians in cutting edge treatments for PTSD and Complicated (Traumatic) Grief, as well as in doing research on optimal methods of disseminating this training. 

Over the last several years, Dr. Amsel has been collaborating with Dr. Hoven at the Child Psychiatric Epidemiology Group (CPEG) working on understanding the connection between decision deficits, trauma and psychiatric disorders in the developing brain of children/adolescents. He has extensive clinical expertise within psychiatric research, as well as expertise in applying decision science tasks in psychiatric research settings.

View Dr. Amsel's Expert Witness Profile.

Yolanda Anderson, RN, BSN, CEN, CLNC is a Registered Nurse and has been working in the Emergency Department for more than 25 years. She began work in the Emergency Department of Los Angeles County, USC Medical Center, a level I Trauma Center. She then worked in the Emergency Department at Saint Anthony Hospital Central in Denver, Colorado, a level I Trauma Center where she helped initiate the Hyperbaric Medicine program. For 15 years, she was employed as a staff RN, Charge RN and Assistant Nurse Manager in the Emergency Department at Littleton Adventist Hospital - Littleton, Colorado, a level II Trauma Center. There, she helped with the expansion and reconstruction of the current Emergency Department facility.

A Certified Legal Nurse Consultant, Ms. Anderson is knowledgeable about all aspects of Hospital Care and Standards of Care for Physicians, Nurses and Ancillary Personnel. Her consulting services include:

• Hospitals, Clinics, and Offices - Consult and organize for the development and expansion of a new facilities or offices and related care patterns
• Personal - Consult with family members to organize health care history, needs, and medications and to help understand healthcare information and interpretation
• Teaching - Emergency Nurse Pediatric Course Instructor, Triage Class instructor, Charge Nurse class instructor

View Yolanda Anderson's Expert Witness Profile.

Clive M. Segil, MD, FACS, FRCS is an internationally renowned Orthopedic Surgeon with 30 years of experience in the management of Musculoskeletal Disorders. Dr. Segil sees the patient as a “whole person” not only a “disease,” and places great emphasis on the mind-body connection, applying the concept of what is best for the patient. This means that he uses treatments that result in a cure, at best, and at very least, a marked improvement in their well-being.

For the past 25 years, Dr. Segil has been involved in research and teaching. He is a past assistant clinical professor of orthopedics at the University of Southern California School of Medicine and as a past Clinical Chief of Orthopedics at Cedars-Sinai Medical Center. He continues as a leading orthopedic surgeon in private practice in Los Angeles, California.

Dr. Segil treats the following Orthopedic conditions:

• Injuries - Bones, ligaments, tendons, muscles, cartilage, nerves
• Deformities - Scoliosis, club feet, spondylolisthesis, leg length discrepancies
• Degenerative Conditions - Joints and Spine
• Tumors
• Congenital Defects - Hips, club feet

Dr. Segil is a lecturer and visiting professor in Japan, South Africa, England, Canada, Israel, and China. He speaks and teaches on such topics as sports injuries, spinal cord injuries, innovative orthopedic surgery procedures, and workers' compensation issues.

View Dr. Segil's Expert Witness Profile.

Ernest N. Charlesworth, MD, is a Diplomate of the American Board of Dermatology, the American Board of Internal Medicine, American Board of Allergy & Immunology, and the American Board of Diagnostic Laboratory Immunology. He has over 40 years of experience in his field of expertise.

Dr. Charlesworth is one of only a few United States physicians who is board certified in both Allergy / Immunology and Dermatology. Well-versed in his area of expertise, he has published over 50 peer-reviewed articles, several textbook chapters, and two textbooks. He has been honored by the American College of Allergy, Asthma, and Immunology for both Distinguished Service and as a Distinguished Fellow.

Dr. Charlesworth offers litigation support, except independent medical examinations, to attorneys representing both Plaintiff and Defense. He has been deposed and/or testified approximately 15 times since 2010. His services include issues of causation and standard of care. Dr. Charlesworth has completed the National Catholic Certification Program in Health Care Ethics. He retired from active medical practice in May of 2014 but continues to be active in academic medicine.

Areas of Expertise:

Respiratory Diseases Asthma Immunologic and Allergic Disorders Dermatologic Diseases Allergic Skin Diseases

Allergic Drug Reactions Skin Cancers Health Effects from Toxic Mold Mycological Diseases Allergic Pulmonary Disease

Douglas W. Bowerman, MD, FACP, SFHM, FABQAURP, FAIHQ is certified by the American Board of Internal Medicine. In his capacity as a Hospitalist, he provides full-time clinical care to hospitalized patients. Certifications and Associations - Dr. Bowerman is also Certified in Health Care Quality & Management and Fundamentals of Critical Care. He is a Fellow of the American College of Physicians, a Fellow of American Institute of Healthcare Quality, and a Senior Fellow of Hospital Medicine. Litigation Support - In addition to providing care for hospitalized patients, Dr. Bowerman operates a private consulting business that evaluates potential Medical Malpractice cases involving the clinical care provided by Hospitalists. Based on assessment of the case, he advises counsel on its merits, and when needed, writes formal reports, gives deposition testimony, and provides expert testimony in court. Dr. Bowerman supports both plaintiff and defense cases. In the twenty years he has offered litigation support services, he has reviewed over 900 cases, given 40+ depositions, and testified in court 10+ times. Areas of Expertise:

Hospital Medicine Hospitalist Internal Medicine Medical Malpractice

Medical Record Review Medical-Legal Issues Quality Assurance Hospital / Medical Standard of Care

Presentations and Publications - Dr. Bowerman has authored several publications and delivered numerous presentations on such topics as Assigning Duty to Hospitalists, Eradicating Errors and Restoring Credibility, the Determination of Brain Death, and Hospitalists as Respected Attending Physicians.

Gerald W. Smetana, MD, Board Certified in Internal Medicine, is a General Internist with 38 years of experience in an academic primary care practice at Beth Israel Deaconess Medical Center in Boston. He is also a Professor of Medicine at Harvard Medical School where he has taught internal medicine to medical house staff and also teaches extensively to practicing clinicians in continuing medical education settings. Dr. Smetana is a Master of the American College of Physicians.

Practicing in an outpatient setting, Dr. Smetana cared for a panel of patients that was weighted towards those with multiple chronic illnesses and high disease complexity. In addition to all aspects of office based general internal medicine, his areas of interest include Preoperative Medical Evaluation, Hypertension, and Headache.

Dr. Smetana has been repeatedly selected as a Best Doctor in a national survey. He publishes in the peer reviewed medical literature and medical texts, has edited textbooks, and has helped to develop national guidelines on topics in internal medicine. He has been invited to deliver seminars and presentations on various topics within his area of expertise nationally and internationally. He has been a section editor for the Annals of Internal Medicine. In April 2025, Dr. Smetana retired from clinical practice, but remains active in scholarly work, lecturing, and consulting.

Litigation Support - Dr. Smetana reviews cases for both plaintiffs and defendants and has testified at deposition and at trial as an expert on numerous occasions in most states in the eastern United States. He has reviewed medical malpractice cases over the past 20 years both for plaintiffs and doctors. Dr. Smetana also consults for risk management insurers. His record review and medicolegal consultation services are available throughout the United States.