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Quest Diagnostics clinic

Quest Diagnostics

Laboratory Services • Frederick, MD • Since 1967 • 2000+ locations locations

1.3/5(7 reviews)

Information from public sources; not independently verified. Confirm hours, insurance and appointment availability with the clinic.

Last gathered July 11, 2026. How our information is sourced · Report incorrect information

About

- The user asks for Quest Diagnostics locations in Frederick, MD (specifically 165 Thomas Johnson Dr, Frederick). - The provided page is the Quest Diagnostics homepage with general info (global presence in 42 countries, US offices in Secaucus, NJ HQ at 500 Plaza Drive; no Frederick, MD locations or address 165 Thomas Johnson Dr listed). - There is no explicit listing of Quest Diagnostics locations in Frederick, MD on the given content. If you’re searching for a Frederick, MD Quest Diagnostics sample collection site near 165 Thomas Johnson Dr, you may need to: - Use Quest Diagnostics’ site locator to search by city/ZIP code (Frederick, MD). - Call wellness@questdiagnostics.com or the general contact number for assistance. - Check for nearby locations in Frederick County or nearby towns.

Services Offered

  • Laboratory services
  • Sample collection
  • Lab tests
  • Self-purchased lab work
  • Doctor-ordered tests
  • Employer screenings
  • Online purchase of tests
  • Independent healthcare provider consultations (included)

Insurance & Payment

Not published.

Online purchase via questhealth.com, On-site payment at visit, Self-purchased tests

Languages Spoken

Not published.

FAQs

What can I do at this Quest Diagnostics location?

Complete sample collection for doctor-ordered and self-purchased lab work; add additional lab tests to the same visit and have your results discussed with an independent healthcare provider.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Yelp (Quest Diagnostics - Frederick): 1.8 (18 reviews) (18)
  • Apple Maps (Quest Diagnostics - Frederick): rating not fully provided in snippet (not fully provided in snippet)
  • Birdeye (Quest Diagnostics - 165 Thomas Johnson Dr location): 3.2 (180 reviews (Google))
  • ComplaintsBoard (Quest Diagnostics overall): 1.3/5 (7 reviews, 492 complaints)

Patients praise

  • Some reviewers report positive experiences with specific staff (professional/kind/efficient).

Common complaints

  • Long wait times and wasted time in the lobby
  • Unhelpful or unprofessional staff interactions (including appointment/check-in/billing issues)
  • Billing/payment confusion and difficulty resolving issues
  • General lack of regard for patient time / poor logistics and customer service
  • Phlebotomy issues or poor technique causing pain/bruising/concerns
  • High complaint volume indicating widespread dissatisfaction

"“they waste your time; Sat for more than 20 minutes… not one person came to the waiting go area to help those who are checked in”."

- Yelp review snippet for Quest Diagnostics (Frederick)

"“Very disappointed… the phlebotomist… She stuck me then kept pulling needle almost out and gouging me… I am sore, bruised and have a huge knot…”"

- ConsumerAffairs first-hand experience (Quest Diagnostics)

"“Most reviewers were unhappy with their experience overall. Many people were dissatisfied… long wait times… lack of regard for patient time… difficulty reaching a real person”"

- Trustpilot review summary for Quest Diagnostics website

Synthesized from public review platforms as of Jul 11, 2026 - sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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