Medicaid Expert Witnesses

Medicaid 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 medicaid. The medicaid expert witness listings on this page are typically from fields/areas of expertise such as: Family Medicine, Geriatrics, HIPAA, Insurance, Medical Billing, Nursing Homes, and Preventive Medicine.

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Karl E. Steinberg, MD, CMD, HMDC, HEC-C

Geriatrics, Nursing Homes, Hospice/Palliative

Stone Mountain Medical Associates, Inc.

Oceanside, California
Geriatrics, Nursing Homes - Nursing Home - Skilled Nursing Facility, Hospice - End-of-Life Care, Palliative Care, Home Health, Assisted Living, Regulatory, Decubitus, Pressure Ulcers, Falls, Dementia - Alzheimer's, Medicare, Medicaid, Managed Care - HMO, Life Care Planning, Personal Injury, Family Medicine, Addiction Medicine, Bioethics
Experienced Expert, 250+ depositions, 25+ trials. Speedy and Objective Records Reviews (plaintiff/defense); Standard of Care, Causation and Damages Opinions, including Life Expectancy and Future Care Costs, Regulatory Actions; Comprehensive Report Writing. References Available on Request. In clinical practice of post-acute and long-term care medicine, Geriatrics & Hospice in San Diego area since 1992; Chief Medical Officer, Bio-Pacific Admin Services (nursing facility management company); Chief Medical Officer, Beecan Health; Delegate, AMA and California Medical Association House of Delegates; Chair, CMA Council on Ethical, Legal & Judicial Affairs; Chair, CMA Administrative Medicine Forum; Clinical Faculty UCSD School of Medicine and Family Medicine Dept., Affiliate Faculty, California State University's Shiley Haynes Institute for Palliative Care (San Marcos), Past President of CALTCM, Past President of PALTmed (Post-Acute & Long-Term Care Medical Association, previously AMDA,...
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David Martinez

Medical Billing & UCR Reimbursement Expert Witness

Accurate Billing Investigators, Inc.

California
Medical Billing, Insurance - Managed Care, HMO, PPO, Medicare, Medicaid, Reasonable Value, Audit, Hospital, ERISA, Usual and Customary, Reimbursement Disputes, Claims Denials, Athena Billing, Out-of-Network, Balance Billing, Fee Schedule Analysis, Expert Testimony, Medical Necessity, Multi-State, Healthcare Reimbursement
I have over 35 years of experience in medical billing, reimbursement, and managed care systems, with expertise spanning provider operations, payer methodologies, and claims adjudication practices. My work focuses on evaluating medical billing accuracy, reimbursement methodologies, usual and customary charges, and payer denial practices. Practice includes multi-state reimbursement analysis, with extensive experience in California managed care systems, including HMO, IPA, and risk-based reimbursement structures, as well as Medicare Advantage and national payer methodologies. I have served in multiple roles, including claims examiner, billing manager, revenue cycle executive, and founder of a national medical billing and audit firm. This multidisciplinary experience allows me to analyze disputes from both the provider and payer perspectives. Experience includes analyzing billing system workflows and claims processing issues across platforms such as Athenahealth. My expert work includ...
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Michael F Arrigo

Medical billing, fraud, HIPAA privacy, damages

No World Borders

Newport Beach, California
Medical Billing, HIPAA - Medical billing expert, Patents trade secrets, electronic medical records, Medicare fraud, medical billing fraud, qui tam false claims act, Meaningful Use Electronic Health Records, HITECH Act, Affordable Care Act, Medicare Advantage, Medicaid, insurance, EMTALA, HIPAA, rebut life care, Usual Customary Reasonable (UCR), damages
Writer, speaker, published peer-reviewed works as an expert in the field recent Federal court rulings as a qualified expert published in Westlaw • US COURT OF APPEALS considered expert opinions, VACATED AND REMANDED • Two DOJ retentions, $155 million settlement • Healthcare IT patents intellectual property Technical Expert, Medicare Damages Expert • Medical coding medical billing, claims, usual customary and reasonable charges in personal injury and medical malpractice cases, Lifecare plan rebuttal under ACA on the future cost of care, trauma • Electronic medical record forensics / electronic health record forensics, E.H.R, practice management IT, medical, prescription charges, workman's compensation, insurance fraud • genetic testing, novel genetic sequencing, esoteric testing, laboratory testing • HIPAA Privacy, Security, Blockchain special studies MIT • Affordable Care Act, HITECH Act, electronic medical records, meaningful use, patents, and intellectual property in heal Healt...
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Michael F Arrigo

Medical billing, fraud, HIPAA privacy, damages

No World Borders

Colorado
Medical Billing, HIPAA - Medical billing expert, Patents trade secrets, electronic medical records, Medicare fraud, medical billing fraud, qui tam false claims act, Meaningful Use Electronic Health Records, HITECH Act, Affordable Care Act, Medicare Advantage, Medicaid, insurance, EMTALA, HIPAA, rebut life care, Usual Customary Reasonable (UCR), damages
Writer, speaker, published peer-reviewed works as an expert in the field recent Federal court rulings as a qualified expert published in Westlaw • US COURT OF APPEALS considered expert opinions, VACATED AND REMANDED • Two DOJ retentions, $155 million settlement • Healthcare IT patents intellectual property Technical Expert, Medicare Damages Expert • Medical coding medical billing, claims, usual customary and reasonable charges in personal injury and medical malpractice cases, Lifecare plan rebuttal under ACA on the future cost of care, trauma • Electronic medical record forensics / electronic health record forensics, E.H.R, practice management IT, medical, prescription charges, workman's compensation, insurance fraud • genetic testing, novel genetic sequencing, esoteric testing, laboratory testing • HIPAA Privacy, Security, Blockchain special studies MIT • Affordable Care Act, HITECH Act, electronic medical records, meaningful use, patents, and intellectual property in heal Healt...
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Michael F Arrigo

Medical billing, fraud, HIPAA privacy, damages

No World Borders

Florida
Medical Billing, HIPAA - Medical billing expert, Patents trade secrets, electronic medical records, Medicare fraud, medical billing fraud, qui tam false claims act, Meaningful Use Electronic Health Records, HITECH Act, Affordable Care Act, Medicare Advantage, Medicaid, insurance, EMTALA, HIPAA, rebut life care, Usual Customary Reasonable (UCR), damages
Writer, speaker, published peer-reviewed works as an expert in the field recent Federal court rulings as a qualified expert published in Westlaw • US COURT OF APPEALS considered expert opinions, VACATED AND REMANDED • Two DOJ retentions, $155 million settlement • Healthcare IT patents intellectual property Technical Expert, Medicare Damages Expert • Medical coding medical billing, claims, usual customary and reasonable charges in personal injury and medical malpractice cases, Lifecare plan rebuttal under ACA on the future cost of care, trauma • Electronic medical record forensics / electronic health record forensics, E.H.R, practice management IT, medical, prescription charges, workman's compensation, insurance fraud • genetic testing, novel genetic sequencing, esoteric testing, laboratory testing • HIPAA Privacy, Security, Blockchain special studies MIT • Affordable Care Act, HITECH Act, electronic medical records, meaningful use, patents, and intellectual property in heal Healt...
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Michael F Arrigo

Medical billing, fraud, HIPAA privacy, damages

No World Borders

Nevada
Medical Billing, HIPAA - Medical billing expert, Patents trade secrets, electronic medical records, Medicare fraud, medical billing fraud, qui tam false claims act, Meaningful Use Electronic Health Records, HITECH Act, Affordable Care Act, Medicare Advantage, Medicaid, insurance, EMTALA, HIPAA, rebut life care, Usual Customary Reasonable (UCR), damages
Writer, speaker, published peer-reviewed works as an expert in the field recent Federal court rulings as a qualified expert published in Westlaw • US COURT OF APPEALS considered expert opinions, VACATED AND REMANDED • Two DOJ retentions, $155 million settlement • Healthcare IT patents intellectual property Technical Expert, Medicare Damages Expert • Medical coding medical billing, claims, usual customary and reasonable charges in personal injury and medical malpractice cases, Lifecare plan rebuttal under ACA on the future cost of care, trauma • Electronic medical record forensics / electronic health record forensics, E.H.R, practice management IT, medical, prescription charges, workman's compensation, insurance fraud • genetic testing, novel genetic sequencing, esoteric testing, laboratory testing • HIPAA Privacy, Security, Blockchain special studies MIT • Affordable Care Act, HITECH Act, electronic medical records, meaningful use, patents, and intellectual property in heal Healt...
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Michael F Arrigo

Medical billing, fraud, HIPAA privacy, damages

No World Borders

New Jersey
Medical Billing, HIPAA - Medical billing expert, Patents trade secrets, electronic medical records, Medicare fraud, medical billing fraud, qui tam false claims act, Meaningful Use Electronic Health Records, HITECH Act, Affordable Care Act, Medicare Advantage, Medicaid, insurance, EMTALA, HIPAA, rebut life care, Usual Customary Reasonable (UCR), damages
Writer, speaker, published peer-reviewed works as an expert in the field recent Federal court rulings as a qualified expert published in Westlaw • US COURT OF APPEALS considered expert opinions, VACATED AND REMANDED • Two DOJ retentions, $155 million settlement • Healthcare IT patents intellectual property Technical Expert, Medicare Damages Expert • Medical coding medical billing, claims, usual customary and reasonable charges in personal injury and medical malpractice cases, Lifecare plan rebuttal under ACA on the future cost of care, trauma • Electronic medical record forensics / electronic health record forensics, E.H.R, practice management IT, medical, prescription charges, workman's compensation, insurance fraud • genetic testing, novel genetic sequencing, esoteric testing, laboratory testing • HIPAA Privacy, Security, Blockchain special studies MIT • Affordable Care Act, HITECH Act, electronic medical records, meaningful use, patents, and intellectual property in heal Healt...
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Michael F Arrigo

Medical billing, fraud, HIPAA privacy, damages

No World Borders

New York
Medical Billing, HIPAA - Medical billing expert, Patents trade secrets, electronic medical records, Medicare fraud, medical billing fraud, qui tam false claims act, Meaningful Use Electronic Health Records, HITECH Act, Affordable Care Act, Medicare Advantage, Medicaid, insurance, EMTALA, HIPAA, rebut life care, Usual Customary Reasonable (UCR), damages
Writer, speaker, published peer-reviewed works as an expert in the field recent Federal court rulings as a qualified expert published in Westlaw • US COURT OF APPEALS considered expert opinions, VACATED AND REMANDED • Two DOJ retentions, $155 million settlement • Healthcare IT patents intellectual property Technical Expert, Medicare Damages Expert • Medical coding medical billing, claims, usual customary and reasonable charges in personal injury and medical malpractice cases, Lifecare plan rebuttal under ACA on the future cost of care, trauma • Electronic medical record forensics / electronic health record forensics, E.H.R, practice management IT, medical, prescription charges, workman's compensation, insurance fraud • genetic testing, novel genetic sequencing, esoteric testing, laboratory testing • HIPAA Privacy, Security, Blockchain special studies MIT • Affordable Care Act, HITECH Act, electronic medical records, meaningful use, patents, and intellectual property in heal Healt...
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Michael F Arrigo

Medical billing, fraud, HIPAA privacy, damages

No World Borders

Texas
Medical Billing, HIPAA - Medical billing expert, Patents trade secrets, electronic medical records, Medicare fraud, medical billing fraud, qui tam false claims act, Meaningful Use Electronic Health Records, HITECH Act, Affordable Care Act, Medicare Advantage, Medicaid, insurance, EMTALA, HIPAA, rebut life care, Usual Customary Reasonable (UCR), damages
Writer, speaker, published peer-reviewed works as an expert in the field recent Federal court rulings as a qualified expert published in Westlaw • US COURT OF APPEALS considered expert opinions, VACATED AND REMANDED • Two DOJ retentions, $155 million settlement • Healthcare IT patents intellectual property Technical Expert, Medicare Damages Expert • Medical coding medical billing, claims, usual customary and reasonable charges in personal injury and medical malpractice cases, Lifecare plan rebuttal under ACA on the future cost of care, trauma • Electronic medical record forensics / electronic health record forensics, E.H.R, practice management IT, medical, prescription charges, workman's compensation, insurance fraud • genetic testing, novel genetic sequencing, esoteric testing, laboratory testing • HIPAA Privacy, Security, Blockchain special studies MIT • Affordable Care Act, HITECH Act, electronic medical records, meaningful use, patents, and intellectual property in heal Healt...
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David Martinez

Medical Billing & UCR Reimbursement Expert Witness

Accurate Billing Investigators, Inc.

McKinney, Texas
Medical Billing, Insurance - Managed Care, HMO, PPO, Medicare, Medicaid, Reasonable Value, Audit, Hospital, ERISA, Usual and Customary, Reimbursement Disputes, Claims Denials, Athena Billing, Out-of-Network, Balance Billing, Fee Schedule Analysis, Expert Testimony, Medical Necessity, Multi-State, Healthcare Reimbursement
I have over 35 years of experience in medical billing, reimbursement, and managed care systems, with expertise spanning provider operations, payer methodologies, and claims adjudication practices. My work focuses on evaluating medical billing accuracy, reimbursement methodologies, usual and customary charges, and payer denial practices. Practice includes multi-state reimbursement analysis, with extensive experience in California managed care systems, including HMO, IPA, and risk-based reimbursement structures, as well as Medicare Advantage and national payer methodologies. I have served in multiple roles, including claims examiner, billing manager, revenue cycle executive, and founder of a national medical billing and audit firm. This multidisciplinary experience allows me to analyze disputes from both the provider and payer perspectives. Experience includes analyzing billing system workflows and claims processing issues across platforms such as Athenahealth. My expert work includ...
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Sandra Guerra, MD, MPH

Exec Doctor: Public Health, Insurance & Medicine

San Antonio, Texas
Preventive Medicine, Family Medicine - Health Insurance, Utilization Management, Government Contracts, Quality, Outbreak, Communicable Diseases, TRICARE, Medicare, Medicaid, HIV, LGBT care, Migrant Care, Non-profit or indigent care, Correctional facility care, Denial/Appeals, Academic health, Population health, Tuberculosis, Non-Profit
Executive Physician and former Chief Medical Officer with extensive leadership experience across public health, health insurance, complex health systems, government agencies, and nonprofit organizations. Brings deep clinical, administrative, and policy expertise to cases involving population health, disease prevention, standards of care, health plan operations, and organizational oversight. Areas of Expertise Public Health • Preventive Medicine • Family Medicine • Population Health • Health Insurance and Health Plan Operations • Clinical Oversight and Standards of Care • Utilization Management, Denials, Case and Disease Management • Outbreak and Contamination Response • Disaster Health • Clinical Quality Improvement and HEDIS Attainment • Accreditation and Certification • Clinical Safety • Provider Network Credentialing • Social Determinants of Health • Health Equity • Government Health Programs (Federal, State, Local) • Clinical Analytics, Metrics, AI and Predictive Analytics • Pub...
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Michael F Arrigo

Medical billing, fraud, HIPAA privacy, damages

No World Borders

Washington
Medical Billing, HIPAA - Medical billing expert, Patents trade secrets, electronic medical records, Medicare fraud, medical billing fraud, qui tam false claims act, Meaningful Use Electronic Health Records, HITECH Act, Affordable Care Act, Medicare Advantage, Medicaid, insurance, EMTALA, HIPAA, rebut life care, Usual Customary Reasonable (UCR), damages
Writer, speaker, published peer-reviewed works as an expert in the field recent Federal court rulings as a qualified expert published in Westlaw • US COURT OF APPEALS considered expert opinions, VACATED AND REMANDED • Two DOJ retentions, $155 million settlement • Healthcare IT patents intellectual property Technical Expert, Medicare Damages Expert • Medical coding medical billing, claims, usual customary and reasonable charges in personal injury and medical malpractice cases, Lifecare plan rebuttal under ACA on the future cost of care, trauma • Electronic medical record forensics / electronic health record forensics, E.H.R, practice management IT, medical, prescription charges, workman's compensation, insurance fraud • genetic testing, novel genetic sequencing, esoteric testing, laboratory testing • HIPAA Privacy, Security, Blockchain special studies MIT • Affordable Care Act, HITECH Act, electronic medical records, meaningful use, patents, and intellectual property in heal Healt...