Marjorie Hackett-Wallace, CFE, RHIA, CHC, CPIP, CPC, CPMA, CDEO, AAPC Fellow Expert Witness
Curriculum Vitae

Healthcare Coding and Documentation Professional

Contact this Expert Witness

  • Company: Integrity Medical Billing Consultant
  • Phone: (860) 280-6686

Specialties & Experience of this Expert Witness

General Specialties:

Medical Billing and Medical Coding

Keywords/Search Terms:

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

Education:

BS HIM/Health Care Administration, Charter Oak State College; MLS Health Law, Northeastern University, School of Law

Years in Practice:

19+ Y

Number of Times Deposed/Testified in Last 4 Yrs:

1

Additional Information

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 and management (E/M) services, assessing medical necessity, identifying documentation discrepancies, evaluating potential fraud, waste, and abuse, and determining compliance with applicable standards such as CMS, OIG, and payer-specific guidelines. I am experienced in reviewing complex cases involving scribe documentation, incident-to billing, provider supervision, and the integrity of electronic health record (EHR) entries. As an expert witness, I deliver objective, evidence-based opinions, supported by detailed record analysis and industry standards. I am skilled in preparing comprehensive reports, providing deposition testimony, and explaining complex billing and documentation issues in a clear, defensible manner for legal proceedings.