DialClerk Directory

Quest Diagnostics locations · Maryland

Quest Diagnostics — 4401 Harford Rd, Baltimore

Baltimore, MD 21214

lab patient service centerLocation B2C

lab location

Quest Diagnostics — 4401 Harford Rd, Baltimore

Official page read
Location phone410-444-2020Fax

410-444-2022

Published hours

Monday: 06:30–12:00, 13:00–14:30; Tuesday: 06:30–12:00, 13:00–14:30; Wednesday: 06:30–12:00, 13:00–14:30; Thursday: 06:30–12:00, 13:00–14:30; Friday: 06:30–12:00, 13:00–14:30; Saturday: 07:00–11:00; Sunday: Closed

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Maryland

Mailing address

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Physical address
4401 Harford Rd Baltimore, MD 21214

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 - Employer Drug Screens Not Offered - Inside Harford Rd Safeway Store. 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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