Leadership Team

Devdutta Sangvai, MD, MBA
PHMO Lead

Dr. Sangvai is the Duke Population Health Management Office Lead, associate chief medical officer (ACMO) for Duke University Health System, executive director of Duke Connected Care and assistant professor of family medicine, pediatrics & psychiatry for Duke University Medical Center. Dr. Sangvai also serves as the associate program director for the Management and Leadership Pathway for Residents (MLPR)—an innovative residency training program at Duke designed to develop future physician executives. Originally from Ohio, Dr. Sangvai has been at Duke since 2003 and has previously served as Duke’s chief of family medicine.

In addition to his work at Duke, Dr. Sangvai is significantly involved in leadership and organized medicine both locally and nationally. He was part of the inaugural class of Presidential Leadership Scholars, has served as president of the North Carolina Medical Society (NCMS) and is a 2004 graduate of the NCMS Leadership College. He completed a 3-year term as the chair of the young physicians section of the American Medical Association (AMA). Dr. Sangvai has also served as the national chair for the Association of American Medical Colleges (AAMC) organization of student representatives and organization of residents.

Dr. Sangvai graduated from the Ohio State University and received his M.D. from the Medical College of Ohio, where he also completed his family medicine and chief residencies. He earned his M.B.A. from the Duke University Fuqua School of Business. Dr. Sangvai is a certified physician executive with the American College of Physician Executives (ACPE) and fellow of the American Academy of Family Physicians (AAFP).

Eugenie Komives, MD
Senior Medical Director, PHMO & Duke Connected Care Network

Dr. Komives serves as senior medical director for the Duke Population Health Management Office and Duke Health’s Accountable Care Organization, Duke Connected Care. She returned to clinical practice as a physician for Duke Primary Care after serving in a variety of roles for Blue Cross and Blue Shield of North Carolina, including vice president for healthcare quality. Previously, Dr. Komives practiced family medicine and served in a variety of leadership roles for Kaiser Permanente in North Carolina. She is on the board of directors for the North Carolina Academy of Family Physicians and serves as co-chair for the Kanof Institute for Physician Leadership for the North Carolina Medical Society Foundation. She earned her M.D. from Harvard Medical School and trained in internal medicine at the Beth Israel Hospital in Boston and family medicine at Duke University. She is board certified in family medicine.

Lawrence H. Greenblatt, MD
Medical Director, Northern Piedmont Community Care Network

Dr. Greenblatt serves as Medical Director for Northern Piedmont Community Care which provides practice support, care management, and population management primarily for Medicaid recipients. In addition to this role, he focuses his professional efforts in two additional domains. First, he provides care to a busy general internal medicine panel utilizing an approach that is both patient-centered and evidence-based.  Second, he is an active educator routinely providing clinical teaching to students and residents. He routinely regularly provides faculty development in teaching and other skills for medical educators across many professions both in Durham and in the Academic Medicine Education Institute in Singapore and is currently working on developing systems and policy to improve opioid safety both for Duke Health System and the State of North Carolina.

Barbara Matthews, RN, BSN, CMAC, MBA
Associate Chief Nursing Officer, Population Health

Ms. Matthews has 15+ years of care management leadership experience developing and implementing programs and systems meeting NCQA and URAC standards. Prior to joining Duke, she provided oversight and transformational leadership to the care management programs at Community Care of North Carolina, Inc. including NCQA accreditation and quality, staff development and patient education. Ms. Matthews was previously the director of care management at Blue Cross Blue Shield of North Carolina, where she managed over 150 staff who served 1.6 million members. She has over 20 years of nursing experience in various settings, including ten years in home care. Ms. Matthews remains current in her clinical skills, providing nursing care through her volunteer work at Urban Ministries Open Door Clinic as a staff nurse. She recently retired as a commander from the United States Navy Reserve Nurse Corps after 21 years of service.

Daniel Costello, MPA
Administraitve Director

Mr. Costello serves as administrative director for Duke PHMO. Previously, he was program examiner at the Office of Management of Budget in Washington, D.C., where he was responsible for creating and implementing federal budgets and policies. Mr. Costello also served as a Presidential Management Fellow in Washington, D.C. and a United States Peace Corps Volunteer in Guatemala. He graduated from Boston University and received his MPA from Columbia University’s School of International and Public Affairs.

Michelle Lyn, MBA, MHA
Lead, Community Initiatives & Strategy

Ms. Lyn is the Duke Population Health Management Office’s lead for community initiatives and strategy. She also serves as chief of the Duke Division of Community Health in the Department of Community & Family Medicine, co- director of the Duke Center for Community and Population Health Improvement and leadership faculty for the Duke-Johnson & Johnson Nurse Leadership Program. Ms. Lyn began her Duke career in 1998, as a founding member of the Division of Community Health and was instrumental in designing and launching more than 40 of the division’s collaborative, community-based clinical, care management, educational and research initiatives. Ms. Lyn’s contributions span the division’s clinical programs, including neighborhood clinics; school-based health centers; and the Just for Us Program, which cares for chronically ill homebound seniors in their homes. She is also instrumental to the Division’s care management services, which include a North Carolina Community Care Network covering six North Carolina counties, linking more than 50 primary care practices, four hospital systems, and local departments of social services, health and mental health. In addition, Ms. Lyn served as the founding Program Director for Duke’s Master of Health Sciences in Clinical Leadership, the Community Health Leadership Program, the Community Health Fellowship; and Course Director for the Community Health Elective in the School of Medicine.

Fred Johnson, MBA
Network Director, Northern Piedmont Community Care

Mr. Johnson is the network director for Northern Piedmont Community Care, a role in which he oversees five primary care clinics and two care management programs serving 80,000 vulnerable patients across six North Carolina counties. He is also assistant professor, Duke Department of Community & Family Medicine and vice chief, Division of Community Health. Mr. Johnson earned his Bachelor of Arts degree from Loyola University in Baltimore and a Master of Business Administration from Wake Forest University. Over a forty year span, he has had several careers involving a diverse line of services, populations and customers ranging from organizing local and national consumer movements to initiating and managing long-term care and health care services and community and economic development organizations. In 2003, Mr. Johnson joined Duke’s Division of Community Health as deputy director and director of clinical and care management service. Prior to joining Duke, Mr. Johnson served as vice president of Resources for Seniors Inc. (RFS), a Raleigh, North Carolina corporation. During his ten years with RFS, he developed and managed adult day centers, senior centers, case management, in-home care programs and allied health services serving a thousand customers per day. 

Mary Schilder, RN
Director, IT Services

Ms. Schilder is the director of IT services for the Duke Population Health Management Office. She also serves as director of clinical/operational & population analytics & PDC outcomes research team. Upon earning her B.S. in nursing from East Carolina University, Ms. Schilder specialized in providing healthcare to women.  After completing her MA in Instructional Technology at North Carolina Central University, Mary started her journey in healthcare analytics and clinical informatics.  Before joining Duke in 2016, Ms. Schilder was with WakeMed, where she helped develop the Ongoing Performance Evaluation Program (OPPE), led efforts to implement WakeMed’s first data warehouse and launched a dedicated Clinical IT Service Desk.  Ms. Schilder was involved with WakeMed’s Epic implementation and had responsibility for developing and delivering WakeMed’s Epic training program as well as data warehousing and information delivery following go live.

Coretta Smith, MSN, RN, CCM
Director, Population Health

Ms. Smith serves as director, population health for Duke PHMO. Ms. Smith has gained over 14 years of clinical, educational and administrative nursing experience within the Duke University Health System, including roles involving inpatient, ambulatory care, research, and utilization/case management at Duke University Hospital.  Her dedication to the effectiveness of patient care is the center of her passion. Ms. Smith is a graduate of North Carolina A & T University's undergraduate nursing program and a graduate of Duke University's Masters in Nursing and Healthcare Leadership Program.  She also has obtained her certification in Case Management and was a 2007 Friends of Nursing Nominee.  In her spare time, Ms. Smith enjoys motivational public speaking and spending time with her family.

 

Atalaysha Churchwell, MS, LPC, LCAS
Director, Population Health

Ms. Churchwell serves as director, population health for the Duke PHMO's care management program. She is a fully licensed as a professional counselor and clinical addiction specialist with 14 years of administrative and clinical experience working with children and adults of varying backgrounds who suffer from chronic health concerns. Ms. Churchwell’s work supporting and advocating for underserved communities locally and internationally are a driving force professionally and personally. Ms. Churchwell is a graduate of Middle Tennessee State and Tennessee State Universities. She is currently a doctoral student in the counseling and counselor education program at North Carolina State University, where she is researching patient perceptions of trust and trust development in patient-provider relationships within primary care clinics that serve marginalized populations. She was recently awarded a Counseling Fellowship from NBCC and Affiliates.

Andrea Long, PharmD
Population Health IT Lead

Ms. Long is the Team Lead for the DHTS Population Health IT Team and currently serving as interim manager for PHMO IT.  In addition to the design and implementation of Healthy Planet, Epic’s population health module, Andrea oversees the development of IT infrastructure and analytical tools to optimize PHMO operations.  She served most recently as pharmacist analyst for ambulatory medication system configuration, holding certifications in both EpicCare Ambulatory and Willow Inpatient.  Andrea received her BS in Biology from the University of North Carolina at Charlotte and her Doctor of Pharmacy degree from the University of North Carolina at Chapel Hill. As part of her continued clinical training, she completed a pharmacy practice residency at Duke University Hospital. 

Karthik Shyam, MPP
Director, Communications

Mr. Shyam serves as director of communications for PHMO and as senior strategic services specialist for Duke Health’s Accountable Care Organization, Duke Connected Care. Previously, he worked as senior corporate communications strategist for Duke Health and health services researcher at the American Institutes for Research, where he specialized in qualitative methods and analysis related to consumer and physician engagement with clinical quality, patient experience and cost and resource use information. Mr. Shyam holds a Master's in Public Policy from Duke University's Sanford School of Public Policy and a Bachelor's in Business Administration from Carnegie Mellon University's Tepper School of Business.

Marcie Fuson
Operations Manager

Ms. Fuson serves as operations manager for the Duke Population Health Management Office. Previously, she served as director of operations for the Duke Division of Community Health in the Department of Community and Family Medicine.  Ms. Fuson has also served as program coordinator for a national faculty development workshop series as well as Duke’s Faculty Development Fellowship Program. Ms. Fuson has more than 35 years of experience in financial and human resources management, grant submissions/monitoring, coordination of educational programs, and project management.

Maria Johnson
Finance Manager

Ms. Johnson oversees the accounting, budgeting and financial reporting functions for the Population Health Management Office. She has thirteen years of experience working in finance at Duke. Previously, she spent eight years with the State of North Carolina. In addition to completing her studies in business management, Ms. Johnson enjoys running, bike riding, listening to music and reading.

Benjamin Smith, PharmD, BCACP, CPP, BCGP
Manager, Pharmacy

Dr. Smith leads clinical pharmacy programs and initiatives for the Duke Population Health Management Office and serves as pharmacist for the Duke Connected Care Network and adjunct assistant professor at the UNC Eshelman School of Pharmacy. Dr. Smith graduated from the Eshelman School of Pharmacy at UNC-Chapel Hill and completed a pharmacy residency in ambulatory care at Mission Hospital and the Mountain Area Health Education Center (MAHEC) in Asheville. Prior to joining Duke Health in 2012, he practiced in an outpatient clinic at Mission Hospital. He is board certified in both ambulatory care and geriatric pharmacy practice.

Tuwana Cash Garrett
HR Manager

Tuwana Cash Garrett oversees human resources for the Population Health Management Office and is responsible for processing new hires, performance management, recruitment and retention and payroll transactions.  Ms. Garrett’s goal is to foster an environment that values diversity, employee development and professionalism—while maintaining a dedicated focus on organizational effectiveness and customer service.  Ms. Garrett is currently pursuing a BS degree in Business Studies with a major in Human Resource Management from Southern New Hampshire University. She was born and raised in Durham, NC and has two kids.  She enjoys traveling, shopping, and spending time with family and friends.