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Harlingen Medical Center’s executive team is committed to affording patients excellent service and high-quality care in every visit. To realize this commitment, HMC partners with highly experienced and highly skilled physicians, nurses, staff and volunteers. With each and every patient, HMC collectively endeavors to provide comprehensive, quality healthcare in a convenient, compassionate and cost effective manner.

Harlingen Medical Center is known for creating unparalleled experiences for its patients from the moment they walk through its doors: a compassionate team of professionals, committed to affording you excellence in the service and care patients need to get and stay well.

The Harlingen Medical Center Executive Team

Matt Wolthoff portraitMatt Wolthoff

Chief Executive Officer

Matt Wolthoff has served as the Chief Operating Officer and Ethics and Compliance Officer at Rio Grande Regional Hospital, a Hospital Corporation of America (HCA) facility in McAllen, since March of 2013. Prior to that, he was with HCA in San Antonio as the Vice President of Operations for Methodist Hospital Medical Center. Since 2002, Matt has served in various healthcare management positions from being a Medical Service Corps Officer in the United States Air Force to Vice President of Operations at Valley Baptist Health System.

Matt is a Fellow in the American College of Healthcare Executives. In 2014, Matt was named the Young Healthcare Executive of the Year for the South Texas Chapter of ACHE. He earned a Master of Business Administration with a Healthcare Concentration from the University of Texas – San Antonio and a Bachelor of Science in Management from the United States Air Force Academy. He is very engaged in the community serving on boards for the Rio Grande Valley Partnership, McAllen Economic Development Corporation, McAllen Chamber of Commerce, and United Way. Matt is married to Lucy Ann from Harlingen, Texas and they have three children: Hunter Ann, McCoy, and Kerr. Matt and his family enjoy the outdoors and spend their leisure time fishing in the Lower Laguna Madre or hunting in south Texas. | 956-365-1012 (O) | 956-221-2038 (M)

Michael Bergstrom portraitMichael Bergstrom

Chief Financial Officer

Michael Bergstrom received a Bachelor of Business Administration-Finance from The University of Texas Pan-American in August 2000, and a Master of Science in Healthcare Administration with a Minor in Human Resource Management from Houston Baptist University in February 2005. He has been employed as a Financial Analyst/Staff Accountant, Senior Financial Analyst-Decisions Support, Director of Financial Operations-Ambulatory/Ancillary, and Assistant Chief Financial Officer by VBHS/Tenet Health Systems. Michael has served his community through Leadership Harlingen, Knapp Medical Center Volunteer, Weslaco Chamber of Commerce Volunteer, American Heart Association member and American Cancer Society Member.

Amy Flores portraitAmy Flores

Chief Nursing Officer

Amy Flores is the Chief Nursing Officer and Vice President of Clinical Services at Harlingen Medical Center. She intends to continue building on the "patient-centered" philosophy the focus of everything she does in her role at Harlingen Medical Center.

Ms. Flores, who previously worked in intensive care units and taught nursing students, has been at Harlingen Medical Center for the past 12 years, including the past 10 years as Director of the Medical-Surgical and Orthopedic nursing units. She was instrumental in helping The Orthopedic Center at Harlingen Medical to earn a specialty accreditation in knee and hip replacement surgery from the national accrediting agency for healthcare facilities, the Joint Commission.

The Gold Seal of Approval for joint replacement recognizes Harlingen Medical Center for its dedication and expertise in offering life-restoring surgeries, which in many cases can help patients walk again without pain.

As Chief Nursing Officer, Ms. Flores oversees more than 200 nurses at the hospital Ms. Flores received a Master of Science in Nursing, a Bachelor of Science in Nursing, and an Associate of Applied Science in Nursing, from the University of Texas at Brownsville and Texas Southmost College.

Joel Garza portraitJ. Joel Garza, MD

Chief Medical Officer

J. Joel Garza, M.D., Interventional Cardiologist, is the Chief Medical Officer for Harlingen Medical Center. Dr. Garza has extensive knowledge in the areas of quality of care, patient experience, clinical integration, and process improvement across the continuum of care.

Dr. Garza has been in private practice since 2004, joining first The Heart Clinic located in Hidalgo County (McAllen, TX) and eventually joining The South Heart Clinic located in Cameron County (Harlingen, TX), where he now serves his patients. The South Heart Clinic is one of the most highly regarded heart clinics in South Texas – for its patient clinical outcomes.

Dr. Garza completed an Internal Medicine residency, Cardiology fellowship and Interventional Cardiology fellowship at Baylor Scott & White Health, in Temple, TX. He earned a Doctorate of Medicine Degree from the University of Texas Medical Branch in Galveston and a Bachelor’s Degree from Texas A&M University in College Station. His teaching appointments include: Clinical Assistant Professor at The University of Texas Health Science Center – Regional Academic Health Center – Harlingen; and, Faculty-Assistant Clinical Professor Department of Medicine at The University of Texas Health Science Center – Regional Academic Health Center – Harlingen and The University of Texas Health Science Center at San Antonio.

Dr. Garza is a member, and fellow, respectively of the American College of Cardiology and American Heart Association. He is Board Certified in Internal Medicine, with a specialty in Interventional Cardiology, and has more than a decade of clinical experience in the diagnosis and treatment of cardiovascular disease, a leading service line for Harlingen Medical Center.

Governing Board

Administrative Representatives:

  • Matt Wolthoff, Chief Executive Officer
  • Amy Flores, Chief Nursing Officer
  • J. Joel Garza, M.D., Chief Medical Officer


  • Hugo Blake, M.D., Physician Member- Medical Director
  • Timothy Bothwell, M.D. - Physician Member
  • Michael J. Rinaldi - Community Member
  • Michele Robinson - Community Member