Meet The Leadership Team

SE Texas ER & Hospital offers a unique team approach in delivering healthcare. Patients are our priority; we are passionate about patient care and consider it a privilege to provide services to our patients within the community. Our team culture represents the spirit of our organization. We strive to create a unique, engaging work environment. Our leadership team is made up of people that are committed to leading by example while providing clinical excellence, clinical safety, and quality of care.

Chief Medical Officer

Michael Chang, MD, FAAEM

Hometown: Houston, TX
Education: Stanford University, BS; UCSF, MD; UT-Houston: General Surgery Internship; Vanderbilt University, Emergency Medicine Residency
Years of Experience: 20+
Trained and boarded in emergency medicine, Dr. Chang brings more than 20 years of experience in managing and treating sick patients, from sports injuries to heart attacks. His clinical interest also include wellness and addiction medicine, which stems out of his passion to help others live healthier and happier lives. Dr. Chang also bought his business expertise to the practice of medicine, as he was instrumental in the start-up and management of several free-standing ERs in Texas. In addition to clinical practice, Dr. Chang also serves as a team physician for the Houston Texans.

In his spare time, Dr. Chang enjoys physical fitness, watching football, and spending time with family.

Chief Nursing Officer/Chief Operating Officer

Bussy Onipede FNP-BC, RN, CNO

Bussy Onipede joined the SE team in 2019. She is a native of West Africa, Nigeria. Bussy has resided in Houston, Texas since her youth. Her career began when she entered Stephen F. Austin State University and obtained her BSN. Bussy later return to college where she attended Chamberlin College of Nursing and received her MSN and became a Family Nurse Practitioner. In her spare time, she adores spending time with her family. Bussy enjoys working and being a part of SE Texas ER & Hospital because she loves seeing the teamwork among the staff. She believes that we provide our patients with the absolute best patient care experience that she has ever encountered in her lifetime.
Medical Director

Jonathan Hemmert, MD

Education: Bachelor of Science from Brigham Young University – Doctor of Medicine Degree from University of Chicago Pritzker School of Medicine – Residency in Emergency Medicine at Indiana University School of Medicine

Dr. Hemmert is Board Certified in Emergency Medicine by the American Board of Emergency Medicine. He is also a World Health Ambassador working in St. Vincent and the Grenadines as an international physician volunteer. He, and his wife have 3 kids. In his spare time, he likes to participate in physical fitness activities, participating in BYU alumni events, and spending time with his family.

Director of Non Clinical Services

Jackie Wingard

Jackie Wingard started with SE Texas ER & Hospital when it opened. A born and raised native of Houston, Texas, Jackie attended college at Prairie View University. With 35+ years of experience in both Healthcare Logistics and Hospital Leadership, Jackie takes pride in the work that she does. During the duration of her career and while at with us, she has been successful at implementing charge capture systems. Among the many goals Jackie has set out to accomplish at SE Texas ER & Hospital, she is eager and motivated to focus on the overall cost saving in logistics and productivity for the human resources department. During her spare time, she enjoys camping, fishing, and cooking. Jackie enjoys the smiling faces and wonderful warm feeling of the staff while working with the company.
Director of Pharmacy

Trang Nguyen

Education: Xavier University of Louisiana - Doctorate of Pharmacy

Trang Nguyen has 5+ years of pharmacy managerial experience in which she has led the of openings and closing of retail pharmacies, led vaccination clinics, conducted pharmacy audits to ensure pharmacy operational compliance with state and federal laws, and made positive impact on pharmacy sales, inventory, and metrics. She is a skilled problem solver who has the ability to work independently to make critical decisions and establish trust and credibility with her team. She strives to optimize patient-specific care to help them live healthier lives by collaborating with patients and other health care providers. On her time off she enjoys spending time with her family.

Registered Dietitian

Melinda Perez

Melinda Perez is a Registered Dietitian Nutritionist. She is also licensed with the Texas Commission of Licensing and Regulation. She completed her dietetic internship at Texas A&M University -Kingsville, where she subsequently worked in the public health sector. She graduated from Texas A&M University-Kingsville and earned a bachelor’s degree in Food and Nutrition Science. She has worked in all aspects of nutrition including outpatient counseling, consulting, clinical, and foodservice. She is currently working with at Southeast Texas ER with a focus in Nutrition in Recovery. She enjoys developing rapport with patients and feels it is very effective for positive outcomes.
Director of Marketing

Erika Savarese

Erika Savarese holds a degree from the University of Houston, where she graduated summa cum lade. Erika has worked in marketing for over 15 years and joined the SE Texas ER & Hospital team in 2020. As the Director of Marketing, Erika has helped grow the hospital from one location to three locations.
In her spare time, Erika loves spending time with her family, sewing, and watching movies.
Lab Manager

Andres Galindo BS R.T. (R) CT (ARRT)

Andres Galindo BS R.T. (R) CT (ARRT) was born and raised in Galveston, TX. Andres obtained an associate’s degree in general studies and radiologic sciences in 2010. In 2012, he obtained a bachelor’s in radiologic sciences from Midwestern State University. Andres has been a radiology tech since 2010 and has played leadership roles in several hospitals and free-standing ERs. As the Lab Manager at SE Texas ER, Andres is responsible for maintaining the laboratories to high standards and state regulations for all 3 locations. In addition, Andres continues to assist the radiologic department as needed. Outside of work, Andres enjoys providing services to the community as a multi-media producer. Out of all the roles he plays, his favorite and most important is being a husband and father to his firstborn.