Professional Malpractice (General) Expert Witnesses: 143

Prof. William J. Warfel, PhD, CPCU, CLU, specializes in Insurance Breach of Contract, Bad faith, and Agent / Broker Liability issues. He has been retained in 100+ cases by attorneys who represent policyholders, insurance agents, insurers, and third parties.

Dr. Warfel is widely published in applied, professional journals. His experience includes actual courtroom testimony, as well as deposition testimony in numerous cases. He has been retained in cases involving: 

View Dr. William Warfel's Business Consulting Profile.

Merrill S. Wise, MD, is a  a Board-Certified in Psychiatry and Neurology with special qualifications in Child Neurology, and special qualifications in Sleep Medicine. Involved in the full-time practice of sleep medicine, Dr. Wise has evaluated and managed the full range of Sleep Disorders since 1991.

Dr. Wise evaluates children, adolescents, and adults with the full range of sleep problems and disorders. He is involved with supervision and interpretation of polysomnography (sleep studies), Multiple Sleep Latency Tests (MSLT), Maintenance of Wakefulness Tests (MWT), and integration of these findings with the clinical history in order to develop a diagnosis and treatment plan.

Because of the population served in Memphis, Dr. Wise evaluates a large number of pilots (FedEx world hub), air traffic controllers, commercial drivers and barge pilots, rail engineers, and shift workers. He is experienced in the treatment of obstructive sleep apnea (OSA), narcolepsy, and other disorders of excessive sleepiness, insomnia, circadian rhythm sleep disorders, restless legs syndrome, and parasomnias.

Litigation Support - Dr. Wise has reviewed a wide variety of cases involving both neurology and sleep medicine for greater than 20 years including report generation, testimony at deposition, and at trial. He has served on numerous national task forces and committees, as well as the Board of Directors of the American Academy of Sleep Medicine (AASM). These experiences have exposed him to the full range of sleep disorders, as well as healthcare systems, best practices and evidence-based standards of care, policies, and the legal aspects of sleep problems and disorders. 

Special Interest and Expertise:  

• Individuals with Excessive Daytime Sleepiness
• Downstream Effects of Sleepiness on
  • Cognitive Function
  • Driving
  • Safety
  • Work
  • Behavioral Regulation

Andrew Wittenberg, MD, MPH, FACEP, is the medical director of his Emergency Department and a practicing Emergency Medicine Physician with over 15 years of experience. He is certified by the American Board of Emergency Medicine (ABEM) and is a fellow of the American College of Emergency Physicians (ACEP).  

Dr. Wittenberg currently works in a tertiary care center in southern California that is a stroke center, trauma center, STEMI-receiving center, and Pediatric Medical Center.  Dr. Wittenberg also has significant experience working in a smaller, single-coverage community emergency department.  Dr. Wittenberg graduated from Temple University School of Medicine and completed his residency at LA County-USC Medical Center. He has been recognized for excellence in teaching with awards from two residency programs. He also a national board examiner for ABEM.   

Litigation Support - Dr. Wittenberg offers expert witness services in medical malpractice cases involving Emergency Medicine. He provides consultation for chart reviews, expert witness depositions, and testimony. Dr. Wittenberg's services are available to both plaintiff and defense attorneys.  

Areas of Expertise:

Fred Beck, DC, with over 45 years in practice, performs Chiropractic Medical Malpractice Reviews, Expert Witness, IME's (1500+), Peer Reviews (7500+). Dr. Beck allows videotaping and observers in room if requested by patient / claimant. Zero IME's and Peer Reviews have gone to deposition or court. Licensed in New York & Florida. Past Public Relations Director of Broward County Chiropractic Society. Chiropractor of the Year (Broward County). Writer, lecturer, ringside physician, Pharm patent etc.

Jeffrey Grusenmeyer, Architect; 40 years of experience; NCARB National Council of Architectural Registration Boards Certified; Certified as a Building Official by the Council of American Building Officials; Certified as a Building Official, Master Plans Examiner, Building Inspector, Plumbing Inspector and Residential Building Official by the State of Ohio; Numerous Ohio Board of Building Standards Approved Courses and Presenter.; Appearances and testimony before the Ohio Board of Building Appeals.

Marilyn McCullum, BSN, RN, CEN, is a certified Emergency Nurse with peer-reviewed publications, speaking engagements, and testifying experience. She specializes in emergency nursing, general nursing care, medical documentation bias, and medical products as an end-user. She stays active in her clinical position and teaches her peers about documentation and triage.

Ms. McCullum's expert opinions are unbiased, neutral, and fact-based, following the national Standard of Care.

LIST OF PHYSICIANS REVIEWED BY DR. RICK CHAVEZ AS AN INDEPENDENT CONSULTANT (OVER 155 CASES.) CAN SEND A LIST OF CASES COMPLETED, DEPOSITIONS, TESTIMONY IN FEDERAL AND STATE COURT.

LIST INCLUDES INDEPENDENT LAWYERS REGARDING PLAINTIFFS AND DEFENDENTS, MEDICAL BOARD REPORTS, U.S. ATTORNIES, USDOJ, DEA, EXPERTISE IN:

PAIN MANAGEMENT, PAIN INTERVENTIONS, DISCOGRAMS, EPIDURALS, INTRATHECAL PUMPS, OPIOID TREATMENT, ADDICTION MANAGEMENT, ACCIDENTAL OVERDOSE DEFENSE AND LAWSUITS

Ramzy Rimawi, MD, is American board certified in Internal Medicine, Infectious Diseases, and Critical Care Medicine. He has authored dozens of articles and given hundreds of lectures in the fields of IM, ID, and critical care. Dr. Rimawi is extremely well qualified in topics including sepsis, infections, critical care, and ethics.

 As an expert medical witness, Dr. Rimawi has reviewed hundreds of medical malpractice cases for both plaintiff and defense.