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Quest Diagnostics
One of 28 diagnostics imaging or lab service listings in Saint Louis.
About Quest Diagnostics
Quest Diagnostics is a diagnostics imaging or lab service in the health and medical sector, based in Saint Louis, MO. Its recorded address is 621 S New Ballas Rd Ste 23, 63141. The listing includes a telephone number, an official website. It is one of 28 diagnostics imaging or lab service listings tracked in Saint Louis; the nearest comparable listing is Mercy Imaging Services - Mercy Hospital St. Louis, within walking distance. Quest Diagnostics has 2,797 listed locations in total; this page covers the Saint Louis branch.
- Address
- 621 S New Ballas Rd Ste 23, Saint Louis, MO, 63141
- Phone
- 3146105793
- Website
- locations.questdiagnostics.com
Questions
Where is Quest Diagnostics located?
621 S New Ballas Rd Ste 23, Saint Louis, MO, 63141
How do I contact Quest Diagnostics?
3146105793 · https://locations.questdiagnostics.com/mo/saint-louis/621-s-new-ballas-rd
What type of business is Quest Diagnostics?
Quest Diagnostics is a diagnostics imaging or lab service (health and medical) in Saint Louis.
Quest Diagnostics branches
Quest Diagnostics has 2,797 listed locations. This branch is in Saint Louis.
- 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
- Mercy Imaging Services - Mercy Hospital St. LouisSaint Louis0.0 km
- Mercy Gastrointestinal Endoscopy - St. LouisSaint Louis0.0 km
- Mercy Imaging Services - Medical Tower ASt. Louis0.1 km
- Mercy Mobile Mammography - East MissouriSt. Louis0.1 km
- Ultrasound FirstCreve Coeur2.2 km
- LabcorpCreve Coeur2.6 km
- Berland Diagnostic Imaging Of Creve CoeurCreve Coeur2.7 km
- Open Upright MRICreve Coeur2.8 km
- Midwest Institute for Non-Surgical TherapySt. Louis2.4 km
- Greater Missouri ImagingCreve Coeur3.1 km
- ARCpoint LabsCreve Coeur3.2 km
- St. Luke's RAYUS RadiologyFrontenac3.6 km
- Mercy Imaging Services - Olive-MasonSt. Louis4.2 km
- Mercy Endoscopy CenterDes Peres5.0 km
- Professional Imaging St. LouisDes Peres5.1 km
Cite this page
“Quest Diagnostics, Saint Louis — 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.