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Lebanon VA Medical Center


Leadership Team

Portrait of Robert W Callahan

Robert W Callahan | 717-272-6621,x5904


Robert (Bob) W. Callahan Jr. was appointed to the Senior Executive Service as Director of the Lebanon VA Medical Center effective November 11, 2007.

Mr. Callahan was born and raised on a small family farm in northeastern Maryland. He holds an Associate degree from Harford Community College, a Bachelor's degree from St. Mary's College in Maryland and graduate course work at both Indiana University of Pennsylvania and Central Michigan University. He is a graduate of VA's Executive Career Field Training Program (ECF) and Healthcare Leadership Institute.

Mr. Callahan began his VA career in 1993 as an Occupational Safety & Health Manager at the Lebanon VA Medical Center. In 1997, Mr. Callahan became the Facility Manager at the Butler, PA, VAMC and in December 2000 he moved to the three division VA Pittsburgh Healthcare System (VAPHS) as the Vice President for Facility Management. In October 2003, he became the Associate Medical Center Director for Site Management at VAPHS, and was responsible for day-to-day operations of 3,000 employees serving over 57,000 veterans. Mr. Callahan's diverse experience also includes serving as an Adjutant Professor at Millersville University, a program manager within the Department of Defense, and as a researcher in the chemical industry in the late 1980s.

Nationally, Mr. Callahan served on numerous administrative taskforces and work groups. He brings with him a wealth of experience in strategic planning, tactical operations, organizational and healthcare redesign and is active in mentoring future VA leaders. Mr. Callahan is an advocate for all veterans and his mantra is "Excellence in All". He believes as civil servants we are called to a higher purpose than ourselves, values honesty, integrity creativity and loyalty and is personally committed to serving America's heroes. He is very interested in open communication, employee development and ways to reward and motivate employees.

Portrait of Jeffrey A Beiler

Jeffrey A Beiler | 717-272-6621, x4000

Associate Director

Jeffrey A. Beiler assumed responsibilities as the Associate Director of the Lebanon VA Medical Center effective Nov. 12, 2017. As the Associate Director, he is the Chief Operating Officer for the medical center overseeing engineering, health administration, resource management, contracting, environmental management, human resources, logistics, procurement, privacy, group practice management, safety and occupational health.

Mr. Beiler returned to VA in 2017 from Horsham Clinic - Universal Health Services, Inc., where he was Chief Financial Officer for a 206-bed acute inpatient behavioral healthcare facility. He has significant and progressive experience within VA which includes leadership positions at multiple medical centers and in the Veterans Health Administration (VHA) Central Office. From 2015-2016, he served as the Chief Financial Officer in VHA’s Chief Business Office for Purchased Care where he was responsible for a $19 billion annual operating budget. He was also Associate Director at Philadelphia VA Medical Center from 2011-2015 and at Clarksburg VA Medical Center in West Virginia from 2009-2011.

Portrait of Scott T. Shreve

Scott T. Shreve | 717-272-6621 x5929

Interim Chief of Staff

Dr. Scott T. Shreve assumed responsibilities as the interim Chief of Staff of the Lebanon VA Medical Center effective Dec. 11, 2017. He was previously in charge of the 17-bed inpatient Hospice and Palliative Care Unit at the Lebanon VAMC.

Dr. Shreve has also served as the National Director of the Hospice and Palliative Care Program for the U.S. Department of Veterans Affairs. In that position, he was responsible for all policy, program development, staff education and quality assurance for palliative and hospice care provided or purchased for enrolled Veterans. Dr. Shreve has led the implementation and oversight of the Comprehensive End-of-Life Care Initiative to change the culture of care for Veterans with serious illness and to ensure reliable access to quality palliative care.

Dr. Shreve is the recipient of the 2016 Mark Wolcott Award for Excellence in Clinical Leadership, which recognizes exceptional service in providing outstanding clinical care to our nation’s Veterans. In July of 2013, Dr. Shreve accepted the American Hospital Association’s Circle of Life Citation of Honor Award for the Veterans Health Administration’s Hospice and Palliative Care program. He also served as a clinical associate professor in Penn State’s College of Medicine. He has been awarded the Internal Medicine Distinguished Teaching Award in 2007 and 2009 and received the American Academy of Hospice and Palliative Medicine Project on Death in America, Palliative Medicine Community Leadership Award in March of 2013. Dr. Shreve has board certifications in internal medicine, geriatrics and in hospice and palliative medicine. Prior to medical school, he was a corporate banker.

Portrait of Margaret G. Wilson, MSN, RN

Margaret G. Wilson, MSN, RN | 717-272-6621, x5223

Associate Director for Patient Care Services

Ms. Wilson brings to this position more than 30 years of comprehensive senior management experience in a large health care system.

She began her professional career as a Navy Nurse Corps Officer.
Ms. Wilson’s initial assignment was Naval Hospital Portsmouth, Virginia, and then progressed through various assignments and duty stations. Her administrative experiences have included Nurse Manager, Family Practice Clinics, Quantico Marine Corps Base; Department Head, Perioperative Services at the Naval Hospital, Charleston, SC; Department Head at Naval Weapons Station Clinic in Goose Creek, SC; Director, Ancillary Services at Naval Ambulatory Care Clinic in Newport, RI. Ms. Wilson’s last position on active duty was the first Executive Officer, Naval Health Care New England, and Newport, RI. She retired in 2005 after more the 29 years of service at the rank of Captain.

Ms. Wilson began her VA career in 2008 where her most recent position was the Associate Chief Nursing Service for Acute Care at Lebanon VA Medical Center. Ms. Wilson was selected as the Associate Director, Patient Care Services, in June 2010.

Ms. Wilson graduated from Lancaster General School of Nursing, Lancaster, PA. She completed her Bachelor of Science in Nursing at George Mason University, Fairfax, VA, graduating with Distinction. She completed her education by attaining her Master’s degree in Nursing Administration at the Medical University of South Carolina, Charleston, SC.