Southlake residents are served by a community known for Southlake Town Square, Bicentennial Park, and Gateway Church. What Southlake lacks is a 24/7 freestanding emergency room offering strep, mono and flu testing. Urgent care clinics near Southlake often require an appointment, and many primary care offices aren't open at night or on weekends.
That's why Southlake residents rely on ER Of Fort Worth at 4561 Heritage Trace Parkway — just 13 miles from Southlake via Hwy 114 & US-377. We are open 24 hours a day, 7 days a week, 365 days a year. When you need strep, mono and flu testing near Southlake Town Square, Bicentennial Park, and Gateway Church, our testing team is ready.
Rapid testing Southlake trusts.
When it matters, where you go makes a difference. Here is why Southlake residents near Southlake Town Square, Bicentennial Park, and Gateway Church choose ER Of Fort Worth.
15-minute drive from Southlake
Take Highway 114 west, then exit south onto Highway 377 (Denton Highway) and continue south to Heritage Trace Parkway.
Board-certified ER physicians
Every Southlake patient is treated by an Emergency Medicine specialist — not just a PA or NP.
Results in minutes
Rapid strep, mono and flu testing on-site.
Same-visit treatment
Antibiotics or antivirals started right away when needed.
Signs it might be strep, mono or flu.
Tests we offer.
- ✓Rapid strep throat test
- ✓Mono (mononucleosis) test
- ✓Rapid flu (influenza A/B) test
- ✓Throat culture when needed
Get tested if you have—
- —A severe or worsening sore throat
- —High fever with body aches
- —Fatigue lasting more than a week
- —Difficulty swallowing or breathing
- —Known exposure to strep, mono or flu
Feeling awful right now?
Walk in for rapid testing — no appointment needed.
Treatment we offer.
Same-visit antibiotics for strep
Started right away when the rapid test is positive.
Antiviral treatment for flu
When appropriate and within the treatment window.
IV fluids for dehydration
If illness has left you unable to keep fluids down.
Guidance for mono recovery
Since mono has no cure, we focus on symptom relief and activity guidance.
Getting to our ER from Southlake, TX.
We are located at 4561 Heritage Trace Parkway, Suite 117, Fort Worth, TX 76244 — approximately 13 miles from Southlake. The drive typically takes 15 minutes or less under normal traffic conditions.
- 1 Primary route: Take Highway 114 west, then exit south onto Highway 377 (Denton Highway) and continue south to Heritage Trace Parkway. Total: ~13 miles, ~15 min.
- 2 Alternate route: From Davis Boulevard, head north to Southlake Boulevard (FM-1709), then west to US-377 south toward Heritage Trace Parkway. Total: ~13 miles, ~15 min.
- ! Tip: Call 817-945-4200 from Southlake with any questions before you arrive.
Why ER Of Fort Worth for Southlake's rapid testing.
Results in minutes
No waiting days for lab results.
Same-visit treatment
Start antibiotics or antivirals right away when appropriate.
No appointment needed
Walk in 24/7, any day of the year.
All major insurance accepted
Plus transparent self-pay options.
Insurance accepted.
Southlake residents should not delay care due to insurance questions. We accept all major commercial insurance, Medicare, Medicaid, Tricare and many more. View our full accepted insurance list —
Self-pay pricing is also available and discussed transparently before treatment.
Questions from Southlake patients.
How long does a rapid strep test take?
Rapid strep tests typically return results in about 10–15 minutes, so we can start antibiotics the same visit if positive.
How is mono diagnosed?
Mono is usually diagnosed with a blood test that checks for antibodies related to the Epstein-Barr virus, along with a physical exam and symptom review.
Can you treat the flu?
We can test for flu and, when appropriate and within the treatment window, prescribe antiviral medication. We also treat symptoms like fever, dehydration and body aches.
How long is mono contagious?
Mono can remain contagious for weeks to months after symptoms resolve, spread primarily through saliva. Your ER physician can discuss precautions during recovery.
Do I need an appointment for testing?
No. Walk in any time — we're open 24/7. You can also use online check-in to save time when you arrive.
How far is ER Of Fort Worth from Southlake TX?
We are approximately 13 miles from Southlake — about 15 minutes under normal traffic. Take Highway 114 west, then exit south onto Highway 377 (Denton Highway) and continue south to Heritage Trace Parkway.
What is the fastest route from Southlake to your ER?
Take Highway 114 west, then exit south onto Highway 377 (Denton Highway) and continue south to Heritage Trace Parkway. From Davis Boulevard, head north to Southlake Boulevard (FM-1709), then west to US-377 south toward Heritage Trace Parkway. For turn-by-turn directions, enter "4561 Heritage Trace Pkwy, Fort Worth, TX 76244" into Google Maps or Apple Maps.
Can Southlake patients use online check-in?
Online check-in at /online-check-in/ is available for non-emergency visits. If your symptoms are severe or urgent, call 817-945-4200 or come straight in instead.