Executive Leadership | NYC Health + Hospitals

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Executive Leadership

Michelle Lewis
Chief Executive Officer

Ms. Lewis, as a transformation leader, provides direction and coordination for a broad range of initiatives to advance Gotham’s vision and organizational success. Through her leadership and vision Ms. Lewis is making significant contributions to Gotham health’s strategic direction by driving change across the network. These changes aimed at improving our patient experience and increasing their access to care on a timely basis.

Ms. Lewis is an accomplished healthcare administrator, who is recognized for her visionary leadership. She has over 20 years of experience in leading people, building teams, project management, and expanding healthcare programs.

Prior to joining NYC Health + Hospitals, Ms. Lewis worked for New York Presbyterian Health Systems, where she held various position, including overseeing the Emergency Services Department and the Community – Based Ambulatory Care Health Centers. Her strong interest in delivering high quality of health care services and the overall wellbeing of medically underserved communities is reflected in her achievements during her career as a public health executive.

Ms. Lewis received her Bachelor of Art Degree from Lehman College in New York.

She earned a Master’s degree in Public Administration from Farleigh Dickinson University in New Jersey. She is presently an adjunct professor at Fairleigh Dickinson University in the Departments of Master in Public Administration and Master in Public Health.

David John, MD
Chief Medical Officer

Dr. David John is the acting Gotham Health Chief Medical Officer. In this role, Dr. John focuses upon developing programs which transform and improve the level of care we provide at Gotham Health. This includes scaling up population health efforts across the enterprise and generating a standardized approach to adolescent care that includes behavioral health and substance abuse screenings.

Throughout his career, Dr. John has demonstrated an ability to collaborate, lead and inspire his colleagues to succeed. These skills, as well as his vision and track record of enhancing care for our patients

As Chief Medical Officer of Morrisania and then East New York, Dr. John has led efforts to enhance patient outcomes through innovative population health programs. This resulted in both facilities achieving high quality measures in several categories. Dr. John’s extensive experience and knowledge of clinical and operational measures enhances his ability to develop and implement successful health improvement initiatives.

Dr. David John received his B.Sc. from City University of New York, and his MD from Weil Cornell Medical College. Before joining NYC Health + Hospitals, Dr. John was the Medical Director at Lutheran Medical Center’s Caribbean American Family Health Center and a faculty member for the Caribbean American Family Health Center for the Caribbean HIV/AIDs Twinning Initiative.

Elsa Cosme
Chief Operating Officer

Ms. Cosme joined NYC Health + Hospitals/Gouverneur assuming the role of Chief Financial Officer and recently became the Chief Financial Officer for Gotham Health FQHC, Inc. She received a Bachelor of Science Degree in Accounting from Hunter College and Masters in Business Administration from Farleigh Dickinson University.

Ms. Cosme brings to Gotham Health over 20 years’ experience in health care, commercial real estate investment, and non-profit financial management. Her background includes audit coordination, internal controls, budgeting, grants management and financial statement preparation.

Before coming to NYC Health + Hospitals, Ms. Cosme assisted the Sr. Vice President/CFO in achieving organizational goals with regard to financial operations of the Bronx-based SBH Health System which comprises acute care-461 beds, long-term care and outpatient care. There she successfully drove Finance Department improvements, strengthening controls, accuracy and timeliness of processes including general accounting, accounts payable, treasury, tax reporting, audit, cashier and payroll.

As Gotham’s Chief Financial Officer, Ms. Cosme oversee all aspects of Gotham Health FQHC financial functions including, reporting, budgeting, reimbursement, billing and collection, managed care, medical record and registration . Elsa also leads the financial strategic planning process and provide financial reports and presentation to Gotham Board. Ms. Cosme supports the CEO and woks with NYC Health + Hospitals’ central office Finance to make sure all goals and objectives are being met.

Carey Hamblin
Chief Nursing Officer

Ms. Hamlin has 20 years’ experience working in the healthcare industry from Nursing to Administration. Carey has practiced in a variety of settings including large healthcare corporations, medical centers and community hospitals which has proven her ability to assist patients effectively in any size setting.

Early in her career Ms. Hamblin worked as R.N. at Phelps Memorial Hospital in the Emergency Department where she exhibited skills of efficiency and passion about delivering the highest quality of care to patients. With experience and skills such as Nursing Leadership, Crisis Management, Conflict/ Complaint Resolution and Healthcare Standards, Carey is a strong team leader.

Her current role is as Chief Nursing Officer where she is the lead responsible to implement DSRIP projects and initiatives. She provides strategic leadership and oversees nursing development and clinical functions at Gotham Health.

Ms. Hamblin received her Master’s degree in Leadership and Management from Western Governors University, and her Nursing degree from Mountainside Hospital School of Nursing.

Justin List, MD, MAR, MSc
Chief Quality Officer

As the Chief Quality Officer for Gotham Health, Dr. List leads efforts to align performance improvement initiatives and the organization’s strategic plan by spending time at clinic sites to help design, implement, and adjust performance improvement initiatives. He also oversees the efforts of performance improvement initiatives to meet regulatory standards. Dr. List concurrently works as the Assistant Vice President in the Office of Ambulatory Care for NYC Health + Hospitals.

Before joining NYC Health + Hospitals in June 2018, Dr. List served as Director of Clinical & Scientific Affairs in the NYC Department of Health and Mental Hygiene’s Bureau of Chronic Disease Prevention and Tobacco Control, overseeing the Cancer Prevention and Control Program and Public Health Detailing Program, both of which worked with select NYC Health + Hospitals primary care sites. He also provided clinical and scientific expertise for policy, programming, and educational materials on a variety of topics.

He is a practicing primary care physician in Gotham Health who received his medical degree from Loyola University Chicago and completed his residency in the Yale Internal Medicine-Primary Care program. He received masters degrees in ethics at Yale Divinity School and in health and healthcare research at University of Michigan, the latter as part of the Robert Wood Johnson/VA Clinical Scholars Program. He is a clinical instructor at Yale School of Medicine and has published on a variety of global and public health topics.

Dr. List is particularly interested in advancing the work of health access and health equity. He is excited to work closely with Gotham Health sites’ leadership and across the enterprise to improve both quality for our patients and the clinical team experience.