Quest Diagnostics locations · Maryland

Quest Diagnostics — 40 Shining Willow Way, La Plata

La Plata, MD 20646

lab patient service centerLocation F3W

lab location

Quest Diagnostics — 40 Shining Willow Way, La Plata

Official page read
Location phone301-934-5677Fax

301-934-5799

Published hours

Monday: 07:30–11:30; Tuesday: 07:30–11:30; Wednesday: 07:30–11:30; Thursday: 07:30–11:30; Friday: 07:30–11:30; Saturday: Closed; Sunday: Closed

Product, plan and location

Confirm the exact product or service
Maryland

Mailing address

Not researched for this route

Physical address
40 Shining Willow Way La Plata, MD 20646

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.

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

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