Dr. Rahim serves as chief medical officer and senior vice president of population health for Mount Sinai Health System, where he leads population health clinical programs that support more than 475,000 patients across value-based and performance-based contracts. As chief medical officer of the Mount Sinai Clinically Integrated Network, he oversees approximately 5,600 primary care and specialty providers, ambulatory surgery centers and Federally Qualified Health Centers, driving value-based performance, credentialing, network optimization and clinical-data integration. He has developed systemwide ambulatory condition management standards, as well as Epic-based disease registries and dashboards targeting high-impact conditions and producing measurable quality gains. Under his leadership, the Mount Sinai Medicare ACO has achieved shared savings every year since 2019, including 7% net savings in 2023 and continued top-tier Medicare Advantage performance in the New York market. He drives payer strategy and implementation across multiple CMS and Center for Medicare and Medicaid Innovation models, while reporting ambulatory quality performance directly to the board of trustees. His innovative programs, which span remote patient monitoring, ambulatory care management, community paramedicine and rapid-access behavioral health, have generated sustainable return on investment while improving outcomes and access. Nationally, he serves in senior leadership roles with the National Association of Accountable Care Organizations and America’s Physician Groups.


