24-Hour Emergency Room in Killeen, TX
Hospital/Emergency Care • Killeen, TX • 1 (Killeen) locations
Clinic Type
Hospital/Emergency Care
Address
800 W. Central Texas Expy, Killeen, TX 76541
Phone
254-220-4117
info@roundtmc.com
Opening Hours
Open 24/7/365
Website
Emergency Care
24/7 emergency services; 24/7 regional access
Services Offered
Technology & Equipment
Insurance & Payment
We accept most major commercial insurance networks, as well as Workers' Compensation claims.
Walk-ins welcome, Billing transparency; streamlined billing, Call with insurance questions, Credit/debit cards, Insurance
Languages Spoken
—
Pricing
FAQs
Is SignatureCare Killeen open 24/7?
Yes, open 24 hours a day, 365 days a year.
Do walk-ins require an appointment?
Walk-ins are welcome; appointments are not necessary but can be booked online.
Are you open 24/7?
Yes. SignatureCare Emergency Center Killeen is open 24 hours a day, 365 days a year.
Do I need an appointment?
No. Walk-ins are always welcome. If you prefer, you can book an appointment online but it is not necessary.
Are you an urgent care?
No. SignatureCare Emergency Center Killeen is a licensed freestanding emergency room with board-certified ER physicians, CT, X-ray, and onsite lab services.
Do you treat children?
Yes. We treat all adults and children, including pediatric emergencies.
Do you have CT, X-ray, and lab on site?
Yes. CT, X-ray, and on-site COLA-certified lab are available.
Commitments
Awards & Accreditations
Photos








What Patients Say
Overall sentiment across review platforms: mixed
- Google Reviews (for independent 24-hour ER): 4.8/5 (3,547+ reviews) (3,547+)
- Yelp (SignatureCare Emergency Center): 4.0/5 (25 reviews)
- Yelp (AdventHealth Central Texas): 2.1/5 (78 reviews)
- Hospital Overall Rating (AdventHealth Central Texas): 4/5
Patients praise
- professional staff
- quick care and short wait times mentioned by some patients
- compassionate and supportive team environment
- clean facilities
Common complaints
- lower user ratings on third-party aggregate sites for some facilities
"Every member of your team—the nurses, medical assistants, and doctors—went above and beyond to ensure we felt heard, supported, and cared for."
— Patient review for AdventHealth Central Texas ER"I had a great experience even with feeling awful. They got me back super quick, all the team was so kind and ..."
— Patient review for local 24-hour emergency roomSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- SignatureCare Emergency Center Opens New 24 Hour Emergency Room in Plano, TX — Jun 9, 2026
- Killeen Urgent Care expanding with second location, third site underway | Business | kdhnews.com — Mar 24, 2026
- New urgent care, family medicine sites aim to meet growth in south Killeen | Business | kdhnews.com — Apr 4, 2026
- Killeen Urgent Care expanding with second location, third site underway | News | tdtnews.com — Mar 24, 2026
- 30 years of providing healthcare to Killeen’s uninsured and underserved | Local News | kdhnews.com — Jan 6, 2026
Information sourced from the clinic's website as of July 11, 2026.
More hospital/emergency care clinics in Killeen
Summary: Metroplex Health System is a nonprofit hospital network based in Killeen, Texas, affiliated with AdventHealth Central Texas. It operates a 245-bed multi-campus system (including Metroplex Hospital in Killeen, Metroplex Behavioral Health Center, and Rollins Brook Community Hospital in Lampasas) serving West Bell, Coryell, and Lampasas counties. Key services include surgery, cancer treatments, women’s care, sleep studies, and emergency/ER care. The system employs about 43 staff at the main site (with broader system employment around 1,200+ in the area) and serves over 125,000 patients annually, supported by more than 300 physicians across 42 specialties. It is part of Adventist Health System and is headquartered in Killeen, TX. If you’re specifically seeking “Central Texas Emergency Room” in Killeen, the relevant facility is the Metroplex/AdventHealth Central Texas presence at 2201 S. Clear Creek Rd, Killeen, TX 76549.
Comparing your options?
See other hospital/emergency care clinics in Killeen, or search the full directory by insurance, ratings, and more.

