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VA Texas Valley Coastal Bend Health Care System


Leadership Team

Portrait of Joe A Perez

Joe A Perez | 956-430-9325


Joe A. Perez was appointed Director of the VA Texas Valley Coastal Bend Health Care System (VATVCBHCS) in Harlingen, Texas, effective October 16, 2016. Previously, Mr. Perez served as the Associate Director for the South Texas Veterans Health Care System (STVHCS) in San Antonio, Texas. At STVHCS Mr. Perez was responsible for the daily operations for Medical Administration Service, Prosthetics, Logistics, Human Resources, Fiscal, Decision Support Systems, Data Management and Radiation Safety. Prior to becoming the Associate Director, Mr. Perez served as the Assistant Director for STVHCS. In this role, he provided management oversight of more than 300 employees in Environmental Management Service, Police Service, Voluntary Service, Recreation Service, Engineering Service, facility planning and emergency management. He also coordinated with the Office of Information Technology and Veterans Canteen Service on behalf of South Texas VHCS.

Mr. Perez began his VA career in 2005 as an Administrative Fellow at the Michael E. DeBakey VA Medical Center (MEDVAMC) in Houston, Texas. In 2006, he was appointed as the Inpatient Health System Specialist for the Medical Care Line which also included managerial oversight of the facility Emergency Department. In 2007, Mr. Perez was appointed as the Diagnostic Referral Center Director at the MEDVAMC. In this role, he provided managerial oversight to a VISN specialty referral program focused on coordinating highly specialized medical and surgical care throughout VISN 16. He also managed the MEDVAMC’s Interfacility Transfer Center, Fee Basis, DSS, and Systems Redesign programs.
Mr. Perez is a graduate of the VISN 16 Leadership Development Institute (LDI) and graduate of VHA’s Health Care Leadership Development Program (HCLDP).

Mr. Perez is a U.S. Marine Corps Veteran who proudly served in Operation Iraqi Freedom in 2003. He is also a member of the American College of Healthcare Executives.

Portrait of Homero S Martinez

Homero S Martinez | 956-430-9326

Associate Director

Homero S. Martinez III was named Associate Director for VA Texas Valley Coastal Bend Health Care System (VATVCBHCS) in Harlingen, Texas, effective April 3, 2017.

Mr. Martinez joined the Air Force on 22 Apr 1993 and served enlisted until he was accepted to Officer Training School. He received his commission on 12 Jan 2001. Throughout his military career, he worked a variety of programs which include: Operations, Strategic Planning & Implementation, Recruiting, Financial Management, and Financial Services. He also worked for the following organizations: Air Education Training Command, Air Mobility Command, US Transportation Command and Air Combat Command. He was mobilized to Baghdad, Iraq in support of Operation Iraq Freedom (Dec. 2004 – April 2005). While deployed, he served with the Multi-National Forces, Iraq. Mr. Martinez retired from the Air Force on 30 Apr 2013. Mr. Martinez is a Leadership Veterans Affairs Fellow, and a member of American College of Healthcare Executives (ACHE). Mr. Martinez holds an MBA, Bachelors, and Associate Degree. He is also a Lean Six Sigma Black Belt.

Portrait of Shauna S. Kincheloe-Zaren, M.D.

Shauna S. Kincheloe-Zaren, M.D. | 956-430-9324

Chief of Staff

Shauna S. Kincheloe-Zaren, MD is the Chief of Staff at the Texas Valley Coastal Bend Health Care System. She is Board Certified in Family Medicine and was previously the Acting Chief of Staff and the Chief of Primary Care at the Carl Vinson VA Medical Center in Dublin, Georgia.

Dr. Shauna S. Kincheloe-Zaren is a native Texan. She received her medical training at the Chicago Medical School. Her Internal Medicine internship was at Cook County Hospital in Chicago, IL. She completed her training as the Chief Resident in Family Medicine at Swedish Covenant Hospital where she was the Women’s Health Resident of the Year. She has completed mini-residency programs in Women’s Health and Musculoskeletal Care. She has also completed the VISN 7 Executive Leadership Program, Credentialing Boot Camp by Kate Enchylmeyer through the Veteran’s Administration and various other leadership courses.

Dr. Zaren started her career with a private practice and was recruited to a faculty position at Northwestern University after teaching at the University part time. She then served as the Associate Director of the Family Medicine Residency Program at Mercer Medical School in Savannah, Georgia. She then began her career at the Ralph Johnson VAMC in Charleston, SC and was then promoted to Chief of Primary Care at the Carl Vinson VAMC in Dublin, GA and was Acting Chief of Staff at that facility for much of that time. She is a member of the American College of Physician Executives and a Diplomat of the American Academy of Family Physicians.

Dr. Zaren is a compassionate physician who is committed and honored to serve the patients and employees of the Veteran’s Administration by developing a positive service culture, addressing health care in the broadest sense and developing business and management processes that are efficient, transparent and accountable.