DialClerk Directory

Quest Diagnostics locations · Maryland

Quest Diagnostics — 20211 Goshen Rd, Gaithersburg

Gaithersburg, MD 20879

lab patient service centerLocation B2D

lab location

Quest Diagnostics — 20211 Goshen Rd, Gaithersburg

Official page read
Location phone202-339-1132Fax

301-330-9995

Published hours

Monday: 07:00–12:00, 13:00–15:30; Tuesday: 07:00–12:00, 13:00–15:30; Wednesday: 07:00–12:00, 13:00–15:30; Thursday: 07:00–12:00, 13:00–15:30; Friday: 07:00–12:00, 13:00–15:30; Saturday: 08:00–13:00; Sunday: Closed

Product, plan and location

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Maryland

Mailing address

Not researched for this route

Physical address
20211 Goshen Rd Next To Pharmacy Gaithersburg, MD 20879

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. Official facility title: Quest Diagnostics - Inside Gaithersburg Safeway Store - Employer Drug Testing Not Offered. No location email was published in the reviewed pages.

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

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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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