Quest Diagnostics
Laboratory Services • Mesquite, TX • Since 1967
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
- Quest Diagnostics is a Fortune 500 clinical laboratory company (NYSE: DGX) headquartered in Secaucus, NJ, founded in 1967. - Core offerings: diagnostic testing and molecular/clinical chemistry services across infectious disease, cancer, cardiovascular, neurological conditions, COVID-19, and employment/drug testing. - Global footprint: operates in the United States, Puerto Rico, Mexico, Brazil, and 42+ countries; collaborates with hospitals and clinics worldwide. - Key metrics: about 14k–48k employees (varies by period), annual revenue around $11B, substantial assets and equity, and a market cap in the multi-tens of billions. - Contact/branding: official site questdiagnostics.com; main phone +1-866-697-8378; wellness@questdiagnostics.com. - Location note: Headquarters and main offices are in Secaucus, New Jersey (address: 500 Plaza Drive, Secaucus, NJ 07094). User intent alignment (Mesquite focus): For Mesquite, search for “Quest Diagnostics Mesquite TX” or contact the main number to locate the nearest facility or schedule a test.
Services Offered
Insurance & Payment
Not published.
Languages Spoken
Not published.
Social Media
Photos
Photos published by Quest Diagnostics showing the laboratory services practice in Mesquite, TX.
What Patients Say
Overall sentiment across review platforms: mixed
- Birdeye (aggregating Google reviews): 3.4/5 stars (114 reviews)
Patients praise
- Professional and friendly staff members
- Efficient appointment process and short wait times for some patients
- Painless blood draws for some patients
- Convenient lab results turnaround
Common complaints
- Long wait times
- Poor customer service and difficulty reaching staff
- Issues with phlebotomy technique causing pain or bruising
- Frustrations with automated systems and lack of human interaction
- Billing and invoicing errors
"Phlebotomist was a bit rough, left tourniquet on when she dismissed me. I usually don’t bruise from the tape but both the site and tape job caused bruising this time around."
- Birdeye review"Valencia is very efficient and patient. My doctor's office forgot to send the requisition, and she waited patiently until the orders were sent."
- Birdeye reviewSynthesized from public review platforms as of Jul 11, 2026 - sources: [1][2][3][4].
In the News
- Dr. Marissa Spino-Keeton, DO - Pathologist in St George, UT - May 14, 2026
- 6945 Aliante Pkwy - North Las Vegas, NV | Quest - Jun 16, 2026
- 3801 W 15th St - Plano, TX | Quest - May 12, 2026
- 1505 W Wilshire Blvd - Burleson, TX | Quest - May 20, 2026
- 3945 Legacy Dr - Plano, TX | Quest - Jun 16, 2026
Information sourced from the clinic's website as of July 11, 2026.
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