DialClerk Directory

Quest Diagnostics locations · Missouri

Quest Diagnostics — 12700 Southfork Rd, Saint Louis

Saint Louis, MO 63128

lab patient service centerLocation HKR

lab location

Quest Diagnostics — 12700 Southfork Rd, Saint Louis

Official page read
Location phone314-704-5144Fax

314-729-7056

Published hours

Monday: 06:00–17:00; Tuesday: 06:00–17:00; Wednesday: 06:00–17:00; Thursday: 06:00–17:00; Friday: 06:00–17:00; Saturday: 07:00–12:00; Sunday: Closed

Product, plan and location

Confirm the exact product or service
Missouri

Mailing address

Not researched for this route

Physical address
12700 Southfork Rd Ste 150 Saint Louis, MO 63128

Physical facility address. A location listing does not establish where to send claims, specimens or prescriptions.

Phone published for this location. Operating status not independently confirmed. A phone published for this facility does not establish that local staff answer directly. No location email was published in the reviewed pages.

View source ↗ · Source checked 2026-10-22 · Official facility fax and service details ↗

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

Location details

Published services

Laboratory specimen collection

Hours and exceptions

Official location page hours, reviewed 2026-10-22. Times are local to the facility; holiday and service-specific hours may differ.

Location email

Not published in the reviewed source

Official location page ↗ · Organization-wide support

Help the next office

How did your call go?

Share a structured call experience or flag a contact correction. Submissions are reviewed before publication. Patient details, recordings and documents do not belong here.

Share a call experience

Share a call experience

Suggest a contact correction

Suggest a correction

For healthcare offices

Found the contact. Still need to make the call?

Explore how DialClerk organizes the brief, hold time and staff handoff for your next administrative call.

For the people making the calls

Put payer follow-up
on your office’s worklist.

Explore DialClerk for queued calls, hold handling, staff handoffs and a record of the next step. Tell us how your team works.

A request does not create an account or start a call. Use business contact information only. No patient information.

See how it could work for your practice