False Claims Act Expert Witnesses

False claims act expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on false claims act. The false claims act expert witness listings on this page are typically from fields/areas of expertise such as: Financial, Investigation, Medical Billing, Medical Coding, and Ophthalmology.

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Marjorie Hackett-Wallace, CFE, RHIA, CHC, CPIP, CPC, CPMA, CDEO, AAPC Fellow

Medical Billing, Coding and Documentation Expert

New Britain, Connecticut
Medical Billing, Medical Coding - Medical Records Review, Provider Documentation, Medicaid/Medicare, State Regulations/Statutes, Federal Regulations/Statutes, Regulatory Compliance, Healthcare Fraud Investigation, Data Analysis, Data Mining, Payment Integrity, False Claims Act, Fraud Waste and Abuse, Provider Billing Verification
Revenue Integrity and Healthcare Compliance leader with over 18 years of experience in medical auditing, coding, billing, and regulatory compliance. Currently serving as Revenue Integrity Manager at Connecticut Children’s, where I lead initiatives to safeguard revenue integrity, ensure compliance with federal and state regulations, and proactively mitigate organizational risk. Holding certifications as a CPC, CPMA, CDEO, CHC, and CFE, I bring deep expertise in healthcare compliance, risk assessment, fraud prevention, and data analysis. Recognized for driving process improvements, strengthening internal controls, and enabling healthcare organizations to optimize operations while maintaining the highest standards of billing accuracy, compliance, and ethical practice.
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L. Neal Freeman, MD, MBA, CCS-P, CPMA

Physician/Surgeon + Medical Coding/Auditing Expert

Coding and Physician Reimbursement Analysts, Inc.

Melbourne, Florida
Medical Coding, Ophthalmology - Surgeon, Coder, Auditor, Fair and Reasonable Value, Medical Coding, Physician Coding, Ophthalmology Coding, Optometry Coding, Reimbursement, Eye Care, Coding, Medicare, Healthcare Fraud, Audits, False Claims Act, National Correct Coding Initiative, Bundling
ABOUT: Highly experienced expert witness with 100+ cases in medical coding, reimbursement, and compliance across the entire medical spectrum, providing services for both plaintiff and defense. Board-certified practicing physician and surgeon, Certified Coding Specialist (Physician-based), and Certified Professional Medical Auditor. Awarded graduate of Cornell University’s College of Engineering (B.S.) and the University of Michigan Medical School (M.D.), with postgraduate specialty training at Johns Hopkins Hospital and the University of California, San Francisco. Master-level graduate (M.B.A.) of the University of Central Florida, College of Business Administration. Chairman of the Ophthalmology Section at Holmes Regional Medical Center in Melbourne, Florida. Assistant professor at the University of Central Florida, College of Medicine. Extensive committee involvement, including American Medical Association’s CPT Advisory Committee and the Florida Medicare Carrier Advisory Com...
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Kari Overson, CFE, PI

Financial Investigations-Federal, SBA

Overson Investigative Group LLC

Federal Way, Washington
Financial, Investigation - Fraud, Bank Fraud, SBA Fraud, Loan Fraud, Elder Abuse, Government Contracting Fraud, Asset Tracing, Litigation Support, Consulting, Qui Tam, Investment Fraud, Investigation-Case Review, White Collar Crimes, Whistleblower, Criminal Defense, Civil Fraud, False Claims Act, False Claims, Embezzlement, Bankruptcy Fraud
Over 26 years as a federal agent conducting complex white collar investigations involving bank and loan fraud, SBA Program Fraud, bankruptcy fraud, contract fraud, money laundering, mortgage fraud, and real estate fraud. For the last 6 years, as a consultant, Certified Fraud Examiner and Private Investigator (WA), Kari's focus has been on these same specialties, with additional work in investment fraud, elder financial exploitation cases, divorce cases, and finding assets.