Home / Health And Medical / Diagnostics Imaging Or Lab Service / Quest Diagnostics
Quest Diagnostics
One of 4 diagnostics imaging or lab service listings in O Fallon.
About Quest Diagnostics
Quest Diagnostics is a diagnostics imaging or lab service in the health and medical sector, based in O Fallon, MO. Its recorded address is 3449 Pheasant Meadow Dr Ste 101, 63368. The listing includes a telephone number, an official website. It is one of 4 diagnostics imaging or lab service listings tracked in O Fallon; the nearest comparable listing is Gateway Radiology Consultants, about 3.1 km away in O'Fallon. Quest Diagnostics has 2,797 listed locations in total; this page covers the O Fallon branch.
- Address
- 3449 Pheasant Meadow Dr Ste 101, O Fallon, MO, 63368
- Phone
- 6364859450
- Website
- locations.questdiagnostics.com
Questions
Where is Quest Diagnostics located?
3449 Pheasant Meadow Dr Ste 101, O Fallon, MO, 63368
How do I contact Quest Diagnostics?
6364859450 · https://locations.questdiagnostics.com/mo/o-fallon/3449-pheasant-meadow-dr
What type of business is Quest Diagnostics?
Quest Diagnostics is a diagnostics imaging or lab service (health and medical) in O Fallon.
Quest Diagnostics branches
Quest Diagnostics has 2,797 listed locations. This branch is in O Fallon.
- Weslaco78596-4281
- Laredo78041-3988
- McAllen78503-1531
- Alice78332-4197
- Kingsville78363-6371
- Bradenton34210-2819
- Corpus Christi78404-2500
- St Petersburg33713-5438
- St Petersburg33713-7146
- South Pasadena33707-2118
Nearby diagnostics imaging or lab service
- Gateway Radiology ConsultantsO'Fallon3.1 km
- Spine MetricsWeldon Spring3.7 km
- Mercy Imaging Services - Winding WoodsO'Fallon4.3 km
- St Luke'sO'Fallon4.5 km
- St. Luke's RAYUS RadiologyO'Fallon4.5 km
- Mercy Imaging Services - Technology DriveO Fallon4.6 km
- Advanced Orthotics and ProstheticsO'Fallon6.5 km
- SSM Health Imaging ServicesO'Fallon5.8 km
- LabcorpSt Peters6.6 km
- LabcorpSaint Charles6.9 km
- Labcorp ssm orders onlySt Peters8.0 km
- LabcorpO Fallon9.0 km
- LabcorpO'Fallon9.0 km
- Fastest Labs of ChesterfieldChesterfield9.8 km
- SSM Health Breast CareLake Saint Louis9.2 km
Cite this page
“Quest Diagnostics, O Fallon — business.wiki, retrieved August 2026.” Facts on this page come from openly licensed data (Overture Maps Foundation) and are refreshed with each monthly release; sourcing is documented on the methodology page.