Leadership Team - Carl Vinson VA Medical Center Dublin, Georgia
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Carl Vinson VA Medical Center Dublin, Georgia


Leadership Team

David L. Whitmer, FACHE, Medical Center Director

David L. Whitmer, FACHE | 478-272-1210 Ext. 2901

Medical Center Director

David L. Whitmer has over 25 years of management and leadership experience at the National Institutes of Health (NIH) and the Veterans Heath Administration (VHA) and is currently the Director at the Carl Vinson VA Medical Center in Dublin, GA. A board-certified healthcare executive, Whitmer recently completed a yearlong assignment as the Interim Director for the Roseburg VA Healthcare System (RVAHCS) in Roseburg, OR. The RVAHCS consists of a medical center located in Roseburg, OR, two Outpatient Clinics located in Brookings and North Bend, OR, and the Eugene VA Health Care Center in Eugene, OR. As the Chief Operating Officer for the VA Sunshine Health Care Network (VISN 8), starting May 2014, Whitmer held a senior leadership position responsible for innovatively applying planning and health administration skills to provide Veterans with high quality care consistent with community standards and industry best practices. Whitmer holds a Master of Political Science degree with an emphasis in public administration and a Bachelor of Education degree both from the University of South Florida. A former high school teacher and football coach in Leesburg, Florida, he started his NIH career as a presidential management intern in 1993, spending his first year as an administrative officer for the National Cancer Institute (NCI). Whitmer held progressively more challenging management positions at NIH, including serving for nearly eight years as the SES Executive Officer for the National Eye Institute (NEI), where he helped support the nation’s vision research program. Whitmer is committed to community involvement and has been very involved in outside volunteer positions. He is an active member of the American College of Health Care Executives (ACHE). When not at work, Whitmer enjoys spending time with his family, playing golf, SCUBA, boating, and gardening.

Dr. John O'Brien, Chief of Staff

Dr. John O'Brien | 478-272-1210 Ext. 2903

Chief of Staff

Dr. John O'Brien began his role as Chief of Staff at Carl Vinson VAMC in Sept. 2019. He is from Missouri and a graduate of the University of Missouri Columbia) School of Medicine. After completing his Internal Medicine residency and Gastroenterology Fellowship, he accepted an Inflammatory Bowel Disease Fellowship at Johns Hopkins Hospital followed by an appointment as a Medical Staff Fellow / Clinical Research Associate in the National Institute of Diabetes and Digestive and Kidney Diseases branch at the National Institutes of Health. Dr. O'Brien accepted a full-time, tenure-track, position at Washington University School of Medicine / Barnes-Jewish Hospital. He was then recruited to Indiana University School of Medicine where he accepted his first administrative role as the Gastroenterology (GI) Fellowship Director. Then, Dr. O'Brien accepted a Chief of Gastroenterology & Hepatology at the Southern Illinois University (SIU) School of Medicine. He was selected as the next Director of the Endoscopy Lab and Division Chief of GI / Hepatology and Nutrition at Creighton University School of Medicine and became a Professor of Surgery with the department. Dr. O'Brien was recruited to Michigan as the Chair of the Department of Medicine at the Ascension Providence Hospitals overseeing more than 600 physicians. He also accepted an appointment as a Clinical Professor of Medicine at Wayne State University. Dr. O'Brien is a member of the Alpha Omega Alpha Medical Honor Society, Fellow in the American College of Physicians, Fellow in the American College of Gastroenterology and was selected as the Crohn’s and Colitis Foundation of American (CCFA) Physician of the Year several years ago. He is board certified in both Internal Medicine and Gastroenterology. Dr. O'Brien brings a wealth of experience in medical education, research, clinical medicine, and administration to the Carl Vinson VAMC.

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Laura Miller, PharmD. | 478-277-2702

Acting Associate Director

Dr. Laura Beasley Miller has served the Carl Vinson VA Medical Center for more than twenty years. She began her VA career as a Clinical Pharmacist Specialist in 1999. For the next 11 years, she served in various roles including working with our Home Based Primary Care team, the Community Living Center (CLC), and as a Medication Management Pharmacist for the Ambulatory Care Clinic. She has served as the Chief of Pharmacy at Carl Vinson VAMC since July 2011. Under her leadership, the pharmacy services within the medical center have expanded to include Clinical Pharmacy services in all CBOCs, mental health, and CLC. Outpatient dispensing operations have expanded to 7 days a week. Inpatient pharmacy dispensing and inventory control have been modernized, and pharmacy has had an Accredited PGY-1 Pharmacy Residency since 2011, and a PGY-1 Psychiatric Pharmacy residency since 2017. Dr. Miller served a temporary detail assignment as Chief of Primary Care in 2015. In 2019, she began a temporary detail assignment as Associate Director of Carl Vinson VAMC and currently remains in this role. Dr. Miller is a graduate of the 2010 National Executive Health Care Leadership Initiative (NEHCLI) class. She has served on various Medical Center Committees including Pharmacy and Therapeutics Committee, Medical Executive Committee, and Peer Review committee. She also serves as a member of the Southeast VA Network (VISN 7) Pharmacy Benefits Management committee and VISN 7 Professional Standards Board Committees. She served on a national pharmacy workgroup as a Patient Aligned Care Team (PACT) Subject Matter Expert. She is an active member of Georgia Pharmaceutical Association, Georgia Society of Health Systems Pharmacists, and American Society of Health-Systems Pharmacists, Dr. Miller has served as a student preceptor for University of Georgia and Mercer University Colleges of Pharmacy since 1997. Dr. Miller received her Doctor of Pharmacy degree from the University of Georgia in 1996. After graduation, she was employed as a Clinical Pharmacist at Navicent Health (formerly Medical Center of Central Georgia) prior to her VA career. She is a native of Dublin GA and is actively involved in numerous community projects and committees. She is a member First United Methodist Church. She and her husband Rob enjoy traveling and attending sporting events. They reside in Dublin with their 2 children.

Pamela Jackson, DNP, RN, Associate Director for Patient Care Services

Pamela Jackson, DNP, RN | 478-277-2730

Associate Director for Patient Care Services

Dr. Pamela L. Jackson is the Associate Director of Patient Care Services at Carl Vinson Veterans Affairs Medical Center, Dublin, GA. The daughter of a Veteran and an Army Reserve Veteran herself, Dr. Jackson has over 30 years of nursing background with experience in nursing leadership/management (off-tour nursing supervisor), professional education, emergency medicine, psychiatric, ambulatory surgery, and home health care. She began her nursing career as a licensed practical nurse in 1987 and continued her educational pursuit until she obtained a terminal degree in 2014. She holds a Doctorate in Nursing Practice-(DNP) in Administration with an Educator Concentration from Samford University, Birmingham, AL. Dr. Jackson has also obtained ANCC’s distinguished certification as an Advanced Nurse Executive. Her professional involvement at the national level includes her recent appointment to the Substance Abuse and Mental Health Services Administration’s (SAMHSA) Minority Fellowship Program (MFP) at the American Nurses Association. She is a member of Sigma Theta Tau Nursing Honor Society and Alpha Kappa Alpha Sorority, Inc.