Keller's approximately 46,000 residents are served by a community known for Old Town Keller, Keller Town Center, and Bear Creek Park. What Keller lacks is a 24/7 freestanding emergency room with a full-service on-site laboratory. Hospital ERs near Keller can mean multi-hour waits for basic results, and urgent cares often send labs out, leaving you waiting days for an answer.
That's why Keller residents rely on ER Of Fort Worth at 4561 Heritage Trace Parkway — just 6 miles from Keller via US-377. We are open 24 hours a day, 7 days a week, 365 days a year. When a Keller patient near Old Town Keller, Keller Town Center, and Bear Creek Park needs urgent answers, our on-site laboratory delivers most results in 30—60 minutes — no appointment required.
Lab services Keller trusts.
When you need answers fast, where the lab is located matters. Here is why Keller residents near Old Town Keller, Keller Town Center, and Bear Creek Park choose ER Of Fort Worth.
10-minute drive from Keller
Take Keller Parkway (TX-1709) east to US-377, then south on Rufe Snow Drive to Heritage Trace Parkway.
Results in 30-60 minutes
Keller patients get diagnosis and treatment in the same visit — no waiting days for an outside lab.
Imaging in the same building
CT, ultrasound and X-ray right alongside the lab — Keller patients get a complete diagnosis in one stop.
Board-certified ER physicians
Lab results for Keller patients are interpreted by board-certified emergency medicine physicians — 24/7.
When labs guide care.
Lab work is essential for diagnosing many emergencies — these are the most common situations where on-site labs matter most for Keller patients.
Common reasons.
Our lab supports the full range of ER evaluations for Keller patients — and connects to outside ordering when needed.
- ✓Symptom evaluation
- ✓Infection workup
- ✓Cardiac evaluation
- ✓Drug screening
- ✓Pre-procedure clearance
- ✓Chronic disease monitoring
When labs can't wait.
- —Need for urgent diagnosis
- —Cardiac symptoms (chest pain, palpitations)
- —Suspected serious infection
- —Diabetic emergency (DKA, severe hypo/hyperglycemia)
- —Unexplained bleeding requiring evaluation
- —Urgent pregnancy testing
Not sure? Call us from Keller.
Our nurses can help you decide.
Tests we offer.
Our on-site lab handles the full spectrum of emergency diagnostic testing 24/7 for Keller patients.
Chemistry panels
Electrolytes, kidney function, liver enzymes, glucose, BMP and CMP.
Hematology
CBC, differential count, platelet count and reticulocyte studies.
Microbiology
Blood, urine, wound cultures and gram stains.
Urinalysis
Same-visit results — UTI, kidney function, pregnancy.
Coagulation studies
PT/INR, PTT and D-dimer for clot evaluation.
Rapid PCR & antigen tests
COVID, flu, RSV, strep — results in under an hour.
Getting to our ER from Keller, TX.
We are located at 4561 Heritage Trace Parkway, Suite 117, Fort Worth, TX 76244 — approximately 6 miles from Keller. The drive typically takes 10 minutes or less under normal traffic conditions.
- 1 Primary route: Take Keller Parkway (TX-1709) east to US-377, then south on Rufe Snow Drive to Heritage Trace Parkway. Total: ~6 miles, ~10 min.
- 2 Alternate route: From The Parks at Keller or North Keller, take North Tarrant Parkway east directly to Heritage Trace Parkway. Total: ~6 miles, ~10 min.
- ! Tip: If you have an existing prescription or referral for labs, bring it along — but it's not required. Keller patients can walk in directly.
Our parking lot offers drop-off access directly adjacent to the front entrance. See our full Keller service area page for a map and neighborhood details.
Why ER Of Fort Worth for Keller's lab needs.
Same-visit results
Most lab results back in 30-60 minutes — diagnosis and treatment in one visit for Keller patients.
Board-certified physicians
Lab results interpreted by emergency-medicine doctors, 24/7. Meet our ER doctors.
Imaging in the same building
CT, ultrasound and X-ray right alongside the lab.
All major insurance accepted
BCBS, Aetna, Cigna, UnitedHealthcare, Humana, Medicare, Tricare and more. See full insurance list —
Insurance accepted.
Keller residents should not delay urgent lab testing due to insurance questions. We accept all major commercial insurance, Medicare, Medicaid, Tricare and many more. View our full accepted insurance list —
Our billing team is available to answer questions about your coverage before, during, or after your visit. Self-pay pricing is transparent and available on request.
Questions from Keller patients.
How far is ER Of Fort Worth from Keller TX?
We are approximately 6 miles from Keller — about 10 minutes under normal traffic. Take Keller Parkway (TX-1709) east to US-377, then south on Rufe Snow Drive to Heritage Trace Parkway.
What is the fastest route from Keller to your ER?
Take Keller Parkway (TX-1709) east to US-377, then south on Rufe Snow Drive to Heritage Trace Parkway. From The Parks at Keller or North Keller, take North Tarrant Parkway east directly to Heritage Trace Parkway. For turn-by-turn directions, enter "4561 Heritage Trace Pkwy, Fort Worth, TX 76244" into Google Maps or Apple Maps.
How quickly do lab results come back for Keller patients?
Most basic tests return in 30—60 minutes. Cultures take 24—48 hours — we'll call Keller patients with those results.
Do you do COVID, flu and RSV tests for Keller residents?
Yes — rapid PCR testing on-site for COVID, flu A/B, RSV and strep, with results in under an hour for Keller patients.
Will my insurance cover lab tests from Keller TX?
Yes, when ordered as part of a medically necessary ER visit. We accept all major insurance, including BCBS, Aetna, Cigna, UnitedHealthcare, Humana, Medicare, and Tricare. See our full insurance details at /insurance/.
Will my doctor back in Keller get the lab results?
We can fax or electronically send results to your primary care provider. Just give us their info at check-in and we'll make sure your Keller doctor stays in the loop.
Can Keller residents get lab work without a full ER visit?
Lab work performed in our facility is part of the ER evaluation. For routine outpatient labs, Keller residents should contact their primary care provider — but for any urgent or unexplained symptom, our ER lab can deliver same-visit answers.
Can Keller patients use online check-in for lab work?
Online check-in at /online-check-in/ is available for non-emergency symptoms. If you have chest pain, signs of serious infection, or a diabetic emergency, do not pause to fill out a form — call 817-945-4200 or come straight in.
What's the best route from the Old Town Keller, Keller Town Center, and Bear Creek Park area in Keller to your ER?
Take Keller Parkway (TX-1709) east to US-377, then south on Rufe Snow Drive to Heritage Trace Parkway. From The Parks at Keller or North Keller, take North Tarrant Parkway east directly to Heritage Trace Parkway. Both routes average 10 minutes under normal Tarrant County traffic.