Payment Integrity Expert Witnesses

Payment integrity 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 payment integrity. The payment integrity expert witness listings on this page are typically from fields/areas of expertise such as: Medical Billing and Medical Coding.

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

Healthcare Coding and Documentation Professional

Integrity Medical Billing Consultant

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
I provide expert witness services in healthcare billing, coding, and clinical documentation, supported by over 19 years of industry experience across provider, payer, and compliance environments. My work focuses on the evaluation of medical records, coding accuracy, documentation integrity, and regulatory compliance, including alignment with federal, state and commercial payer requirements. I hold a Master of Legal Studies in Health Law, which strengthens my ability to analyze healthcare documentation within legal and regulatory frameworks and to clearly articulate findings in both written reports and testimony. I maintain multiple nationally recognized certifications, including Certified Professional Coder (CPC), Certified Professional Medical Auditor (CPMA), Certified Documentation Expert Outpatient (CDEO), Certified in Healthcare Compliance (CHC), Certified Fraud Examiner (CFE), and Registered Health Information Administrator (RHIA). My expertise includes auditing evaluation an...