CMS Leadership

Center for Clinical Standards & Quality

Lee A. Fleisher, M.D.

Chief Medical Officer & Director

Lee A. Fleisher, MD, was named the Chief Medical Officer and Director of the Center for Clinical Standards and Quality for the Centers for Medicare and Medicaid Services in July 2020. In this capacity, he is responsible for executing all national clinical, quality, and safety standards for healthcare facilities and providers, as well as establishing coverage determinations for items and services that improve health outcomes for Medicare beneficiaries. He is also Professor of Anesthesiology and Critical Care and Professor of Medicine at the University of Pennsylvania Perelman School of Medicine. From 2004 through July 2020, he was the Robert D. Dripps Professor and Chair of Anesthesiology and Critical Care and Professor of Medicine at the University of Pennsylvania. He remains a Professor of Anesthesiology and Critical Care and Medicine at the Perelman School of Medicine at the University of Pennsylvania and Senior Fellow of the Leonard Davis Institute.

Lee received his medical degree from the State University of New York at Stony Brook, from which he received the Distinguished Alumni Award in 2011. His research focuses on perioperative cardiovascular risk assessment and reduction, measurement of quality of care, decision making, implementation of cultural change and health policy. He has received numerous federal, industry and foundation grants related to these subjects and has published 175+ original articles, over 200 editorials, reviews and book chapters, and nine books and collaborates with anthropologists, sociologists, as well as faculty from law, business and nursing.

He was Treasurer of the Board of Directors and Chair of the Finance Committee of the National Quality Forum. He was a member of the Care Transformation Forum (CTF) of the Health Care Payment Learning and Action Network (LAN) He is currently an Affiliated Faculty of the Quattrone Center for the Fair Administration of Justice at the University of Pennsylvania Carey Law School and a Senior Fellow of the Leonard Davis Institute of Health Economics. In 2007, he was elected to membership of the National Academy of Medicine (formerly Institute of Medicine) of the National Academy of Sciences and served on Committees of the NAM.


Jean Moody-Williams

Deputy Director

Jean D. Moody-Williams, RN, MPP, is the Deputy Director of the Center for Clinical Standards and Quality. Jean is a member of the leadership team responsible for one of CMS’ Centers that has more than 400 employees and a $3 billion annual budget. She is responsible for working with a great team to lead policy activities for Quality Improvement Programs, End Stage Renal Disease Networks, Survey and Certification, Quality Measurement and Health Assessment, Clinical Standards, Coverage and Analysis, Quality Innovations Models and many of the agency’s Value Based Purchasing and public reporting programs for hospitals, physicians and ambulatory settings.

Prior to this, she was the Group Director for the CMS Quality Improvement Group (QIG) in CMS and provided oversight for the nation’s Quality Improvement Organizations, or QIOs, and the End Stage Renal Disease Quality Networks which provide a national infrastructure to support technical assistance, learning and action networks, and a variety of value and quality improvement efforts across the entire continuum of care.  She also served as the Director of Quality for CMS Medicaid Programs.

Prior to joining CMS, Ms. Moody-Williams served as an executive at a number of state and private entities working to improve care for patients and families including, the Maryland Health Care Commission (MHCC), the National Resource Center for Health Policy and Strategies, Quality Improvement Organizations and a health care system in Dallas. She is also a clinician.

She is the author of the book, Transitions, Trust and Triumph: A Daily Devotion for Caregivers. She received her Bachelors of Science in Nursing from Hampton University and a Masters of Public Policy and Management from the University of Maryland, College Park.


Jeneen Iwugo

Deputy Director

Jeneen Iwugo is the Deputy Director in the Center for Clinical Standards & Quality. Prior to this role, Jeneen served as the Deputy Director of the Quality Improvement & Innovation Group in the Center for Clinical Standards and Quality. Jeneen serves with Dr. Shari Ling on the CMS Opioid Steering Committee, led the development of the CMS Patient and Family Engagement Strategy and led QIIG operations including the CMS and HHS QIO 12th SOW policy and budget approval negotiations. With a formal education in Speech Communication and Public Administration, Jeneen has concentrated her Quality Improvement policy work in the Beneficiary and Family Centered Care tasks of the Quality Improvement Organization (QIO) program. Since joining QIIG in 2008, she has served as a subject matter expert, GTL, QIO confidentiality regulation lead, Special Assistant, Division Director, and Deputy Group Director. Jeneen led the revision of the QIO regulations to expand eligibility for QIO contracts beyond the previous state based structure and the transition of the state based QIO case review task into the now separate regional BFCC task in the QIO 11th Scope of Work. Prior to her various roles within CCSQ, Jeneen worked in Center for Medicaid and CHIP Services on Medicaid managed care policy, state plan amendments, demonstrations and waivers. Jeneen has also served as Adjunct Faculty for the Community College of Baltimore County teaching Speech Communication.

Shari M. Ling, M.D.

Deputy CMS Chief Medical Officer

Dr. Shari M. Ling is currently the Centers for Medicare and Medicaid Services (CMS), Deputy Chief Medical Officer serving in the Center for Clinical Standards and Quality (CCSQ), responsible for assisting the CMS Chief Medical Officer in the Agency's pursuit of higher quality health care, healthier populations, and lower cost through quality improvement. Dr. Ling's long-standing focus is on the achievement of meaningful health outcomes through delivery of high quality beneficiary-centered care across all care settings, with a special interest in the care of persons with multiple chronic conditions and functional limitations, and reducing health disparities.

Dr. Ling has served as the lead coordinator and facilitator of the CCSQ Measures Forum. Dr. Ling represents CMS on the Health and Human Services (HHS) Multiple Chronic Conditions workgroup, and the National Quality Forum Measures Application Partnership Post-acute Care/Long-term Care workgroup, and chairs the Measures and Data sources sub-workgroup for the HHS Action Plan for Healthcare Associated Infection (HAI) Prevention in Long-term Care facilities. Dr. Ling also serves as the clinical sub-group lead for the HHS National Alzheimer's Project Act.

Dr. Ling is a Geriatrician and Rheumatologist who received her medical training at Georgetown University School of Medicine where she graduated as a member of the Alpha Omega Alpha Honor Society. Dr. Ling received her clinical training in Internal Medicine and Rheumatology at Georgetown University Medical Center, and completing Geriatric Medicine studies at Johns Hopkins University., remaining on faculty at Johns Hopkins for 5 years, after which she joined the Intramural Research Program of the National Institutes of Health at the National Institute on Aging as a Staff Clinician for 8 years studying human aging and age-associated chronic diseases with attention to musculoskeletal conditions and mobility function.

Dr. Ling continues to serve as a part-time faculty member in the Division of Geriatric Medicine and Gerontology at Johns Hopkins University School of Medicine, and in the Division of Rheumatology, Allergy and Clinical Immunology at the University of Mary-land. Dr. Ling volunteers at the Veterans Administration Medical Center in Baltimore. She is a Gerontologist who received her training in Direct Service from the Ethel Percy Andrus Gerontology Center, at the University of Southern California, and served as the co-director of the Andrus Older Adult Counseling Center.

Dr. Ling resides in Maryland, is married and has two children.


Michelle Schreiber, M.D.

Deputy Director for Quality & Value

Dr. Schreiber is the Deputy Director of the Center for Clinical Standards and Quality for the Centers (CCSQ) for Medicare and Medicaid Services (CMS). In addition, she serves as the Group Director for the Quality Measurement and Value-Based Incentives Group (QMVIG). In this capacity, she is responsible for executing the quality strategies of CMS including quality measurement, and value based incentive programs to encourage the transition to value based care. Dr. Schreiber is a general internal medicine physician with over 25 years of health care experience. Prior to her work with CMS/CCSQ, she was the Senior Vice President and Chief Quality Officer of Henry Ford Health System (HFHS) in Detroit, Michigan. Prior roles at HFHS included the Division Head of General Internal Medicine, and the SVP of Clinical Transformation and IT Integration, where she was the clinical lead of the system-wide Epic implementation. The Epic implementation and use earned HFHS a Davies Award in 2018. She has also held senior leadership roles at the Detroit Medical Center, where she was the Chief Quality Officer, and with Trinity Health System where she was the national system Chief Medical Officer, and acting interim Chief Medical Information Officer.

In addition to her health system roles, Dr. Schreiber has served on numerous quality committees including Michigan Hospital Association statewide quality committee, and Board of Directors for the MHA  Keystone Center and the Patient Safety Organization, the Board of Directors of MPRO (Michigan Peer Review Organization – the Michigan QIO), the Board of Directors of Health Alliance Plan insurance company, the National Quality Forum Patient Safety Metrics Committee, and the National Quality Partners. She has worked with the Institute for Healthcare Improvement (IHI) including as part of its Leadership Alliance, the Pursuing Equity initiative, and an initiative to enhance Board of Trustees engagement in quality through a partnership with IHI and National Patient Safety Foundation. Dr. Schreiber has also served as a member of the Epic Safety Forum, and the Cerner Academic Advisory Group.

Dr. Schreiber’s interests are quality improvement, quality measures, and the intersection with electronic medical records to advance quality and quality measures.

Dr. Schreiber graduated from Case Western Reserve University in Cleveland, Ohio with degrees in humanities/comparative literature and biology, and also attended medical school at CWRU. She completed her internal medicine training at New York Hospital/Weill Cornell University Medical Center in New York City. She is married, with two children; one a physician at Johns Hopkins and one a committed non-physician.

Page Last Modified:
08/21/2020 01:57 PM