CMS Administrator Mehmet Oz has implemented a leadership reshuffle, appointing Rebekah Armstrong as Chief of Staff.
Stephanie Carlton will now solely serve as Deputy Administrator, focusing on clinical AI and Medicaid quality modernization.
These changes aim to bolster CMS's efforts against fraud and expand access to affordable prescription drugs.

Atlas AI
The U.S. Centers for Medicare and Medicaid Services (CMS) is undergoing a significant leadership reorganization, with Administrator Mehmet Oz announcing new key appointments. This strategic move aims to streamline operations and bolster the agency's focus on critical policy initiatives.
Key Leadership Appointments
Rebekah Armstrong has been appointed as the new Chief of Staff, a pivotal role within the agency. Armstrong brings a wealth of experience from her previous tenure leading the CMS office of legislation. Her background includes significant work on Capitol Hill, a stint with the health insurance lobby group AHIP, and service in the first Trump administration, providing a diverse perspective for her new responsibilities.
Stephanie Carlton, who previously served as both Deputy Administrator and Chief of Staff, will now concentrate solely on her Deputy Administrator duties. This adjustment allows Carlton to dedicate her expertise to emerging areas. Her expanded portfolio will encompass critical work on clinical artificial intelligence and the modernization of quality measures for the Medicaid program.
Strategic Reorientation at CMS
These changes signal a deliberate effort by the CMS leadership to adapt to evolving healthcare landscapes and federal priorities. Administrator Oz expressed confidence in the appointees, stating they are "world class leaders, brilliant policy minds, and dedicated public servants." He highlighted their instrumental role in the agency's past successes and their continued importance moving forward.
The reorganization arrives as the agency intensifies its efforts to combat fraud within federal health insurance programs. Recent initiatives include a six-month moratorium on new Medicare enrollments for hospices and home health agencies, a measure designed to address alleged misuse and strengthen program integrity.
Additionally, CMS has been active in expanding access to affordable medications. This includes a recent enhancement of its direct-to-consumer marketplace, TrumpRx.gov, to incorporate a wider range of generic drugs. These actions underscore the agency's multi-faceted approach to improving healthcare delivery and financial stewardship.
The restructured leadership team is expected to drive forward these ambitious goals. Their collective experience and redefined responsibilities position CMS to tackle complex challenges, from regulatory enforcement to technological integration and market reforms. The coming months will likely reveal the specific impacts of this new leadership configuration on agency operations and healthcare policy.


