Skip to main content

National Advisory Council Members

Call for Nominations

The National Advisory Council (NACNHSC) calls for nominations of individuals with a background in primary care, oral health, and mental/behavioral health.

Email us completed nominations.

Eight members currently serve on NHSC’s National Advisory Council. Below are their biographies.

Joni Adamson | Adrian N. Billings, M.D., Ph.D. | Jackie Griffin, Ph.D.
Wilton Kennedy, D.H.Sc., MMSc, PA-C | Joan Malcolm, D.M.D | Darryl S. Salvador, Psy.D
Cindy Stergar, CEO | Gwen L. R. Witzel, APRN, FNP, FAANP

Joni Adamson

Joni is the Manager of Recruitment and Workforce Development for the Missouri Primary Care Association (MPCA).

She joined MPCA seven years ago after nearly 10 years of service with the Missouri Primary Care Office / Missouri Department of Health and Senior Services.

She is dedicated to increasing access to essential health care services in underserved areas. She works closely with healthcare professionals of various disciplines and specialties to assure they are aware of career options and employment opportunities in Missouri’s Safety-Net System and to identify resources to help them reach their goal of working in an underserved area.

She proudly serves as an Ambassador for the National Health Service Corps (NHSC) and is well versed in NHSC initiatives.

Additionally she has a comprehensive understanding of Health Professional Shortage Area (HPSA) designations.

She provides a great deal of technical assistance and guidance to community organizations to assist with recruitment and workforce planning strategies. Many of Joni’s colleagues regard her as a subject matter expert in the areas of healthcare workforce development, trends and analysis, recruitment, and retention of healthcare professionals.

Her professional memberships and active participation includes: The Rural Recruitment and Retention Network (3RNet); Association of Clinicians of the Underserved, Association of Staff Physician Recruiters, and their regional affiliate the Missouri, Iowa, Nebraska and Kansas Physician Recruitment and Retention Network.

Adrian N. Billings, M.D., Ph.D.

Dr. Adrian Billings is a full spectrum family medicine physician with Preventative Care Health Services in Alpine, Marfa and Presidio, Texas.

He is a native west Texan and was born and raised in Del Rio, Texas, where he became a fluent Spanish speaker.

He received a Bachelor of Science degree from Texas A&M University in 1993 and Doctor of Philosophy in Experimental Pathology in 1998 and Doctor of Medicine in 2003, both from the University of Texas Medical Branch.

Dr. Billings attended family medicine residency at John Peter Smith Hospital in Ft. Worth, Texas, serving his final year as chief resident. He then completed an obstetrics fellowship also at John Peter Smith Hospital in 2007.

He was awarded a National Health Service Corps Scholarship from the federal government in 1999 and completed his service obligation in 2011 in Alpine. Dr. Billings speaks nationally for the National Health Service Corps at Scholar Orientation and Awardee Orientation Conferences.

He is currently Chief Medical Officer for Preventative Care Health Services, Medical Director of Student Health Services for Sul Ross State University, Assistant Clinical Professor of Family and Community Medicine at Texas Tech University School of Medicine and the University of Texas Medical Branch, and holds active privileges at Big Bend Regional Medical Center.

Jackie Griffin, Ph.D.

Dr. Jackie Griffin has an extensive 30-year background in healthcare, and was the CEO of MedLink Georgia, Inc.

His duties included growth and stability of the organization, strategic planning, implementation of Quality Assurance Plans, grant writing, budgeting, personnel management, recruitment, facilities construction and management, contract negotiations and third party payments.

He was first introduced to community health centers in January 1981 when he was the Executive Director of the Neighborhood Health Center in Athens, Georgia. Since that time, he has served as Executive Director of Megals Health Association (Carolina Health Centers, Inc.) and as Chief Executive Officer of MedLink Georgia, Inc. in Colbert, Georgia.

He also has experience in mental health and addictions programs, and worked with the National Health Service Corps (NHSC) in various environments. This included a “small health center,” a Community Health Center operating with no federal funds but employing NHSC physicians.

Wilton Kennedy, D.H.Sc., MMSc, PA-C

Dr. Wilton Kennedy is a Family Physician Assistant at Roanoke Valley Healthcare Partners in Roanoke, VA.

He attended Emory University Physician Assistant Program in Atlanta Georgia. He received his undergraduate degree from Appalachian State University. He completed his doctorate in Health Sciences from Nova Southeastern University in 2008.

Before joining the faculty at JCHS, he practiced primary care for seven years at Blue Ridge Community Health Center, a migrant and community health center in Hendersonville, N.C. The majority of his patients were migrant and seasonal farmworkers.

As a National Health Service Corps scholarship recipient, Mr. Kennedy has a strong interest in community health, interprofessional education, global health, and the underserved.

He has been awarded two Health Resources and Services Administration Community Health grants for PA Rural Health Initiatives. He served on the Board of Directors of the Migrant Clinicians Network from 1998-2004 and as chairman from 2002-2004. He chaired the Physician Assistant Education Association’s Task Force on Interprofessional Education. He currently works clinically in the Carilion Clinic Department Emergency Department and Family Medicine.

Joan Malcolm, D.M.D

Dr. Joan Malcolm is a graduate of the University of Pennsylvania School of Dental Medicine and founder of Bright Smiles Family Dentistry, LLC. A private practice located in Sicklerville, NJ. She has over 20 years of dental experience and has had training in clinical, hospital and private practice environments.

In addition to practicing dentistry, Dr. Malcolm works within communities throughout South Jersey and Philadelphia, Pennsylvania promoting healthy lifestyle choices.

She is an experienced health educator and has lectured extensively on the subject of dental health and its relationship to chronic lifestyle diseases.

She is passionate about motivating and mentoring young people toward higher education and careers in the health field.

She is very active in the under-represented communities of Philadelphia, Pennsylvania, and Camden, New Jersey, and works relentlessly to provide dental education and treatment for the disenfranchised.

While working at the Southern Jersey Family Medical Center, a Federally Qualified Health Center, she delivered dental care to vulnerable population groups.

Dr. Malcolm is board member of the Dental Advisory Board for the A. Philip Randolph High School in Philadelphia, a member of the Diversity Working Group for the University of Pennsylvania, School of Dental Medicine, and a former member of the National Dental Association (NDA) Board of Trustees.

She has demonstrated outstanding commitment to the NDA and other community service based organizations.

Darryl S. Salvador, Psy.D

Darryl Salvador is a Staff Psychologist/Integrated Behavioral Health Consultant at the U.S. Army Health Clinic – Schofield Barracks Family Medicine Clinic, serving a population of dependents, retirees, and active duty members.

Prior to this, he served as the Behavioral Health Director for the Molokai Community Health Center, a Federally Qualified Health Center (FQHC) located on the rural, medically underserved island of Molokai.

He is a National Health Service Corps Loan Repayment Clinician and alumni.

Dr. Salvador graduated from Argosy University/Honolulu in 2004 and went on to complete a postdoctoral fellowship with Tripler Army Medical Center in clinical psychology with an emphasis in health psychology and the provision of behavioral medicine services to rural, medically underserved areas across the state, which included rural rotations in FQHCs on Oahu, Maui, and Molokai.

He served as the Public Interest Representative for the American Psychological Association’s (APA) Committee on Early Career Psychologists, as a member of the 2010 APA Presidential Task Force on Advancing Practice, and is a former Chair for the APA Committee on Rural Health.

Dr. Salvador also has served as the President of the Hawaii Psychological Association and is presently a member of the state of Hawaii Medical Education Council. He received an American Psychological Association Presidential Citation in 2015.

Dr. Salvador’s areas of specialization include Health Psychology/Behavioral Medicine Consultation, Primary Care Psychology, Outcome Assessment and Acculturation with Asian-American Populations, and Individual and Group Counseling in Multicultural Settings.

Cindy Stergar, CEO

Ms. Stergar has served as Chief Executive Officer of the Butte Community Health in southwestern Montana since 1999.

The Center provides access to primary and preventive health care services to under-served rural and frontier communities. During her tenure, she has increased service throughout the region to include dental, mental health, and expanded medical service.

Ms. Stergar has leveraged programs, particularly the NHSC, to recruit over 15 medical professionals, NHSC scholars and loan repayors to staff the Butte area clinics.

She has served on several boards and advisory committees including the St. James Healthcare Foundation, the Montana WWAMI (Washington, Wyoming, Alaska, Montana, Idaho) Advisory Committee, and on the Board of Directors for the St. James Community Hospital in Butte, Montana and the Montana Primary Care Association.

Ms. Stergar continues to demonstrate great leadership in working with rural, medically underserved populations and in the recruitment and retention of health care professionals to serve in these areas of great need.

Gwen L. R. Witzel, APRN, FNP, FAANP

Gwen Witzel is a Family Nurse Practitioner in Langdon, ND. Her practice serves residents in two frontier counties providing primary care at a rural health clinic and three long term care facilities, and emergent and acute care at a critical access hospital (CCMH clinic and hospital).

She participated in a National Health Service Corps (NHSC) project during her Nurse Practitioner education that focused on education of physicians and nurse practitioners together.

Gwen was honored as the 2009 North Dakota Rural Health Provider of the Year, an award sponsored by the Center for Rural Health and the University of North Dakota Medical School. She has also received awards for Excellence in Diabetes Care.

Ms. Witzel is a Fellow to the American Association of Nurse Practitioners (AANP). She served on the Board of AANP from 2009- 2014 as the Region 8 Director, and as the North Dakota State Representative for AANP from 2001-2009.

She is a co-founder of the North Dakota Nurse Practitioner Association and with coordination of NP efforts has had impact on health policy legislative to eliminate barriers to NP practice in North Dakota and improve access to care.

She served on the Rural Health Provider Issues group established by Centers for Medicare and Medicaid Services (CMS) /US Department of Health and Human Services and the Office of Rural Health Policy in Washington DC. The focus was on CMS rules and regulations as it pertains to rural medicine.

She is devoted to the education of Nurse Practitioners and serves as a clinical preceptor for students in the Family NP programs.

Contact NAC

Designated Federal Officer:
Diane Fabiyi-King
Email the National Advisory Council