Attention A T users. To access the menus on this page please perform the following steps. 1. Please switch auto forms mode to off. 2. Hit enter to expand a main menu option (Health, Benefits, etc). 3. To enter and activate the submenu links, hit the down arrow. You will now be able to tab or arrow up or down through the submenu options to access/activate the submenu links.

South Texas Veterans Health Care System (STVHCS)

Veterans Crisis Line Badge
My HealtheVet badge
EBenefits Badge

Leadership Team

Portrait of Robert M. Walton

Robert M. Walton | 210-617-5140


Mr. Robert M. Walton was appointed Director for South Texas Veterans Health Care System (STVHCS) on November 16, 2015. With an FY18 budget for STVHCS of $755 million and 4000 employees, Mr. Walton oversees health care services for about 96,000 unique Veterans. In FY17, STVHCS provided 1.2 million outpatient visits to area Veterans.

From April 2012 to November 2015, Mr. Walton served as Director of the Texas Valley Coastal Bend Health Care System in Harlingen, Texas. He also served as the Medical Center Director at the White River Junction VA Medical Center from October 2008 – April 2012. Before Mr. Walton’s tenure at White River Junction VA, he served as Associate Medical Center Director at James J. Peters VA Medical Center, Bronx, New York from May 2004 – October 2008.

Mr. Walton served as Acting Director at VA Hudson Valley Healthcare System from February-September 2008. Mr. Walton served as Chief, Engineering Service at Bronx VAMC from 1993-2004. He also served as Assistant Chief, Engineering Service at VA medical centers in Marlin, Texas, Montrose, New York, and Bronx, New York. Mr. Walton began his VA career in 1986 at Audie L. Murphy Memorial Veterans Hospital in San Antonio, Texas.

Mr. Walton has a Bachelor of Science in Electrical Engineering from The University of Texas at Austin and a Master of Public Administration degree in Health Administration from Long Island University. He is a graduate of the VHA Executive Career Field Program and participated in the VA Senior Executive Service Candidate Development Program. Mr. Walton is a member of the American College of Healthcare Executives, the American Society for Healthcare Engineering, the National Society of Professional Engineers, and the Institute of Electrical and Electronic Engineers. The New York Federal Executive Board selected Mr. Walton as the recipient of the 2001 Distinguished Executive of the Year Award.

Portrait of Jeffrey A. Young

Jeffrey A. Young |

Acting Associate Director

Jeffrey Young is currently the Acting Associate Director at the South Texas Veterans Health Care System (STVHCS). With an FY18 budget of $755 million, he is responsible for the daily operations for Medical Administration Service, Prosthetics, Logistics, Human Resources Management Service, Fiscal, Decision Support Systems, Data Management and Radiation Safety.

As Chief, Human Resources Management Service for STVHCS, Mr. Young provides leadership and vision for multiple functions within HRMS which includes recruitment, consulting, employee benefits, employee relations, labor relations and performance management.

Mr. Young began his VA career in 2011 as a Human Resource Specialist, Employee Relations at STVHCS. In 2013, he was appointed Chief Labor Management Relations at the Michael E. DeBakey VA Medical Center (MEDVAMC) in Houston, Texas. Mr. Young is a U.S. Air Force Veteran and received his Bachelor of Science in Human Resource Management from Colombia Southern University.

Portrait of Trisha M. Lodde

Trisha M. Lodde | (210) 617-5140

Assistant Director

Trisha M. Lodde is currently the Assistant Director at the South Texas Veterans Health Care System (STVHCS). In this capacity, she is charged with the overall management responsibility for Engineering Service, Environmental Management Service, Police Service, Safety Service, Voluntary Service, Planning Performance and Development Service, Office of Information & Technology, and Veteran Canteen Services providing directional authority to over 450 employees.

Ms. Lodde began her VA career in September 1996 at STVHCS in Surgical Service as a Health Technician in the Ear, Nose, and Throat Clinic. She held several positions in Medical Administration Service prior to joining the Office of the Director as a Patient Advocate followed by the Performance Measures Coordinator, and Veteran Centered Care Specialist. Ms. Lodde served as Executive Assistant to STVHCS Director overseeing the Office of Patient Advocate and Office of Public Affairs prior to becoming the Assistant Director.

Ms. Lodde is a graduate of the VISN 17 Leadership Development Institute (LDI) Program and serves as certified mentor to various VISN 17 and STVHCS LEAD candidates. A native of San Antonio, Texas, Ms. Lodde received a Bachelor of Science of Biology from University of Texas at San Antonio in 2001, and graduate degree in Master’s Degree in Public Health from the University of Texas Health Science at Houston in 2007.

Portrait of Julianne Flynn, M.D.

Julianne Flynn, M.D. | 210-617-5140

Chief of Staff

Dr. Julianne Flynn is the South Texas Veterans Health Care System (STVHCS), Chief of Staff. Dr. Flynn is currently serving our country as a Colonel in the Air Force Reserves where she is Individual Medical Augmentee to the Deputy Director, Medical Operations and Research, Office of the Air Force Surgeon General. Dr. Flynn is board certified in Internal Medicine, Psychiatry and Psychosomatics and on staff with University of Texas Health Science Center at San Antonio (UTHSCSA) as an Assistant Professor.

Dr. Flynn received her Medical Degree from the University of Chicago, Pritzker School of Medicine in 1996 and completed an Internal Medicine and Psychiatry residency at Walter Reed Army Medical Center in 2001. She holds a Bachelor of Science in Mechanical Engineering from Rensselaer Polytechnic Institute in Troy, NY.

Throughout her career, Dr. Flynn has held several positions in medicine and public service. While on active duty, she served as Chief of Psychiatric Consultation Liaison Service, Deputy Chief, Intensive Addictions Services, and Site Associate Residency Training Director for the National Capital Consortium Psychiatry Residency for Andrews AFB. In 2003 she deployed as a Critical Care Air Transport (CCAT) physician as part of the 447th EMEDS, and then assumed the role of Chief of the Emergency Services at 447th EMEDS, Baghdad, Iraq. In June 2004, she was selected as Deputy Residency Training Director for the UTHSCSA/SAUSHEC Psychiatry Residency at Wilford Hall Medical Center. In 2007, she left active duty and joined STVHCS where she has held positions as Substance Abuse Treatment Program Medical Director and Associate Chief of Staff for Mental Health until she was selected as STVHCS Chief of Staff in August, 2010.

Portrait of Calvin T Leuschen, M.D.

Calvin T Leuschen, M.D. | (210) 617-5177

Deputy Chief of Staff

Dr. Cal Leuschen received his Medical Degree from the University of Nebraska in 1993. He also holds an undergraduate degree in Chemistry. He served in the U.S. Navy until 1999. He completed a residency in Diagnostic Radiology at the University of Texas Health Science Center at San Antonio (UTHSCSA) in 2003. He worked as an Assistant Professor of Radiology at UTHSCSA from 2003-2008, specializing in Thoracic Imaging. In 2008 he accepted the position of Chief of Imaging Service for South Texas Veterans Health Care System (STVHCS). In 2012 he was selected as the Deputy Chief of Staff for STVHCS.

Portrait of Sharon M. Millican, RN

Sharon M. Millican, RN | 210-617-5140

Associate Director for Patient Care Services

Sharon M. Millican is the Associate Director for Patient Care Services and Nurse Executive of the South Texas Veterans Health Care System (STVHCS). Ms. Millican began her VA career in 1989 as a new Graduate Nurse Technician at the Northern Arizona VA Health Care System (NAVAHCS) in Prescott, Arizona. She served in many clinical and administrative positions including medical /surgical, the inpatient substance abuse treatment program, Nurse Manager of the Extended Care and Rehabilitation Center, and Clinical Coordinator and Liaison for the Clinical Care Support Service Line which included managerial oversight for the Respiratory Therapy, Clinical Lab, Radiology, SPD, EKG, and Prosthetics Departments. In 2004, Ms. Millican was selected for the VISN 18 Nurse Executive Training program and transferred to the Carl T. Hayden VA Medical Center in Phoenix, Arizona. Ms. Millican was later detailed to the NAVAHCS to serve as the Acting Nurse Executive/Geriatrics and Extended Care Service Line Manager. She was the first NAVAHCS Nurse Executive to be a full member of the Executive Leadership team. When she returned to Phoenix after nine months, Ms. Millican was selected to a new position as Associate Chief Nursing Service for Inpatient Care. In 2007, Ms. Millican transferred to the South Texas Veterans Health Care System as the Deputy Nurse Executive.

Ms. Millican holds an undergraduate degree in Sociology from the University of California in San Diego (UCSD) and a BSN from the Northern Arizona University in Flagstaff, Arizona through the Department of Veterans Affairs Upward Mobility Program Scholarship. Ms. Millican earned her MHA through the Graduate Healthcare Administration Training Program at the Army Baylor University Graduate Program in Healthcare Administration. She is a graduate of the Management Development Program in Birmingham, Alabama and the VISN 18 and 19 Leadership Development Institute.

Portrait of Valerie Rodriguez-Yu

Valerie Rodriguez-Yu | (210) 617-5140

Deputy Associate Director, Patient Care Services

Ms. Rodriguez-Yu is the Deputy Associate Director for Patient Care Services and Deputy Nurse Executive (DADPCS/DNE) of the South Texas Veterans Health Care System (STVHCS). She began her VA career in 2003 as a Registered Nurse at the VA San Diego Healthcare System in San Diego, California. As a military spouse and through travels across the nation, Ms. Rodriguez-Yu progressively served in numerous roles in the specialty area of rehabilitation nursing. In 2010, she was selected as the Associate Chief Nurse for Polytrauma/Spinal Cord at South Texas Veterans Health Care System in San Antonio, Texas. In her role, she was responsible for all nursing staff and activities within the Polytrauma Rehabilitation Center, Polytrauma Transitional Rehabilitation Program, Polytrauma Network Site, and Spinal Cord Injury Center which included a 30 bed inpatient unit, outpatient clinic, telehealth program and home health program.

In her current role as Deputy Associate Director for Patient Care Services/Deputy Nurse Executive, Ms. Rodriguez-Yu is a part of the executive management team and serves as the Chief of Nursing Services with over 1,300 full-time employees on two geographically separate campuses.

Ms. Rodriguez-Yu earned her BSN from the University of Texas Health Science Center at San Antonio. She furthered her education by earning her MSN at the University of Phoenix in 2008. As part of her professional progression, Ms. Rodriguez-Yu earned several certifications that are accredited by the American Nurses Credentialing Association (ANCC): 2006 Certified Rehabilitation Registered Nurse, 2007 Certified Medical-Surgical Registered Nurse, and 2014 Nurse Executive-Advanced certification.