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165 Thomas Johnson Dr - Frederick, MD - Quest Diagnostics locations logo

165 Thomas Johnson Dr - Frederick, MD - Quest Diagnostics locations

Laboratory ServicesFrederick, MD

★☆☆☆☆1.3/57 reviews across 1 platforms

Ratings by platform

  • 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)

What patients say

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

In patients' words

"“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

"“Quest Diagnostics has an overall reputation rating of 1.3/5… based on 7 reviews and 492 complaints… majority of patients are dissatisfied”"

ComplaintsBoard summary (Quest Diagnostics)

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6][7][8].

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