South Texas Health System ER Weslaco
Urgent Care • Weslaco, TX • Since 1985
About
South Texas Health System (STHS) is a multi-campus healthcare system in the Rio Grande Valley offering acute and specialty care. Key points relevant to an ER in Weslaco: - STHS operates six freestanding emergency rooms, including locations around Weslaco, as well as nearby cities (Mission, Edinburg, McAllen, Alamo). - The system includes four acute-care campuses with specialties in pediatrics, heart and vascular services, maternity/women’s health, and trauma. - It features a Level II Trauma Center at STHS McAllen, a dedicated pediatric facility and pediatric ER at STHS Children’s, and a freestanding heart hospital with a specialized cardiac ER at STHS Heart. - Behavioral health and addiction treatment are available through the STHS Behavioral facility. - Affiliations include the South Texas Clinical Partners ACO, Prominence Health Plan, and Cornerstone Regional Hospital. If you’re specifically seeking ER services in Weslaco, look for the nearby freestanding ERs operated by South Texas Health System in the Weslaco area or the surrounding cities listed above. For exact address, hours, and services, visit southtexashealthsystem.com or use their local ER locator.
Clinic Type
Urgent Care
Address
330 West Expressway 83 Weslaco, TX 78599
Phone
956-975-2300
complaint@jointcommission.org
Opening Hours
OPEN 24/7, ALWAYS
Emergency Care
Emergency care 24/7 with board-certified doctors and ER nurses
Services Offered
Technology & Equipment
Insurance & Payment
—
Cash, Insurance
Languages Spoken
—
FAQs
Is the ER Weslaco open 24/7?
Yes, open 24/7.
What are the hours of operation?
OPEN 24/7, ALWAYS.
What is the address?
330 West Expressway 83 Weslaco, TX 78599.
How can I contact the facility by phone?
Phone: 956-975-2300.
Do they offer pediatric emergency care?
Yes, the ER provides pediatric care in a dedicated treatment room.
Is this a freestanding emergency department?
Yes, it is a freestanding emergency department.
What key conditions do they treat?
Chest pain, stroke, broken bones, minor lacerations, flu and other ailments.
Are there outpatient services available at this facility?
Yes, outpatient, mammogram, imaging and laboratory services are available.
How can I access health records online?
Health Records Online is available via the Health Records Online portal.
Awards & Accreditations
Photos








What Patients Say
Overall sentiment across review platforms: mixed
- Yelp: 1.0 star (4 reviews)
Patients praise
- 24/7 availability for emergency care
- Convenience for local community members in the Mid-Valley region
- Designated and accredited facilities (e.g., cardiac care, stroke-ready, geriatric emergency care)
Common complaints
- Dissatisfaction with staff attitude and perceived rudeness
- Concerns regarding high billing costs for services
"I would give this hospital zero stars if I could. The staff is rude..."
— Yelp review of South Texas Health System near Weslaco"Very disappointed with this er. They charge me $300 for a breathing treatment."
— Yelp review of South Texas Health System (Edinburg/General system)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- South Texas Health System Partnering With South Texas Blood & Tissue to Host Three-Day Community Blood Drive | South Texas Health System — Feb 17, 2026
- South Texas Health System Hosts Special Breast Cancer Awareness Luncheon To Launch Its Cinco de Mammo Initiative | South Texas Health System — May 6, 2026
- Payne Weslaco Chevrolet Recognizes Emergency Room Personnel Across South Texas Health System’s 11 Emergency Departments | South Texas Health System — Jan 29, 2026
- STHS Heart Earns Level 3 Geriatric Emergency Department Accreditation - Mega Doctor News — Jun 3, 2026
Information sourced from the clinic's website as of July 11, 2026.
More urgent care clinics in Weslaco
Summary: Knapp Medical Center (Weslaco, TX) is a nonprofit, acute-care hospital affiliated with Prime Healthcare Foundation. Founded in 1962 and based in Weslaco, it operates as a 233-bed facility serving the Rio Grande Valley with a broad range of services, including a 24/7 Level III Emergency Department, obstetrics, pediatric care, intensive care, general surgery, cardiology (52 monitored beds), radiology (MRI, CT, Nuclear Medicine, ultrasound, digital mammography), hospice, rehabilitation, and diabetes education. The medical staff provides specialties such as anesthesiology, cardiology, orthopedics, neurology, oncology/hematology, ENT, urology, endocrinology, nephrology, and more. Knapp emphasizes patient-focused care, advanced diagnostic/treatment options, and community health for residents and surrounding rural areas. If you’re seeking primary care in Weslaco, Knapp Medical Center offers comprehensive hospital services and access to independent physicians on its staff who can coordinate primary and specialty care.
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