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Josh Waizer has more than a decade of experience providing consulting expertise and expert support in litigation and government investigations to clients including health plans, providers, pharmaceutical manufacturers, and government agencies. He has expertise in analyzing health insurance, provider competition, and reimbursement issues, including analyzing large healthcare claims data sets and other types of data. Mr. Waizer has led or contributed to a variety of matters involving mergers, monopolization and monopsonization, class certification, damages assessments, pricing and reimbursements, health plan networks, contract disputes, big tech, advertising, and intellectual property.


BA, Economics (with honors), Brandeis University

BA, Politics, Brandeis University

Selected Work

Selected Experience

  • Co-authored a submission to a state agency assessing the competitive impact of a contract between a health plan and a hospital system.
  • In Florida Emergency Physicians et al. v. Celtic Insurance Company(Florida Circuit Court), led the team supporting the testifying expert and served as a consulting expert on the economics of healthcare prices and the determination of usual, customary, and reasonable (UCR) rates.
  • In Ronald Emilio Reyna v. Celtic Insurance Company(US District Court for the Southern District of Florida), led the team supporting the testifying expert and served as a consulting expert on the economics of healthcare prices and the determination of UCR rates.
  • In In re National Prescription Opiate Litigation and related litigation, led the team supporting testifying experts and provided consulting expertise on causation and damages on behalf of Allergan concerning allegations of inappropriate marketing of prescription opioids.
  • Led the team supporting the expert working on behalf of Emory Healthcare to analyze potential competitive effects of its proposed acquisition of DeKalb Medical Center.
  • Led data analysis and provided consulting expertise on a market intelligence project for a major health insurance company.
  • Led data analysis and provided consulting expertise to multiple health plans on issues relating to alleged underpayment of out-of-network benefits.
  • In Epic Games Inc. v. Google LLC et al., which concerned the monopolization of app distribution on Android smartphones, supported testifying expert on issues of market definition, market power, theory of harm, and competitive effects on behalf of Epic.
  • In a large monopolization case in the advertising industry, supported the testifying expert on issues of market definition, market power, and competitive effects.
  • On behalf of Steward Health Care in Steward Health Care System LLC et al. v. Blue Cross & Blue Shield of Rhode Island, co-led the team supporting Professor Leemore Dafny in providing written and deposition testimony on monopoly power, monopsony power, and exclusionary conduct.
  • In In re WellPoint, Inc. Out-of-Network “UCR” Rates Litigation, provided consulting services to defense counsel and supported the expert on economic issues associated with class certification and merits on behalf of defendant WellPoint. 
  • On behalf of Humana in connection with its proposed merger with Aetna, provided support for responses to the Department of Justice's second request and analyzed likely competitive effects in the sale of Medicare Advantage products. 
  • Provided consulting and expert support to a large health insurer in an arbitration matter involving contract dispute with a hospital system. 
  • Supported the expert on behalf of the Federal Trade Commission in its proceedings seeking to block Cabell Huntington Hospital’s acquisition of St. Mary’s Medical Center in Huntington, WV.

  • In In re Seattle Children’s Hospital, supported expert testimony on the role of high value provider networks in containing health care costs and the necessity of competitive provider contracting under the Affordable Care Act. 
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