Quest Diagnostics offers a range of lab testing services, including COVID-19 antibody tests available by appointment, with face coverings required at all locations. The clinics are conveniently located behind Petaluma Valley Hospital and next to the St. Joseph Health Medical Group building, making them accessible for patients in the area. Patients can schedule appointments online and find helpful tips on preparing for their tests on the company's website. The services include routine blood and urine tests, pediatric specialty testing, glucose tolerance tests, and wellness programs with biometric measurements such as height, weight, and blood pressure. Patients generally find the staff professional, pleasant, and efficient, with many reporting minimal wait times, especially when appointments are scheduled. Walk-in patients sometimes experience longer waits depending on how busy the location is, but some have had quick and painless blood draws, praised for the technician’s professionalism and gentleness. Check-in processes are typically smooth, and the facilities are kept clean. However, some reviews mention difficulties with online appointment booking, including limited availability and cumbersome navigation, leading some to prefer walk-in visits. There are also concerns about parking, with some noting that Quest vehicles take up much space, which may affect neighborhood relations. Overall, Quest Diagnostics is viewed as a reliable and professional option for lab testing, with positive experiences highlighted by patients who appreciate the ease of service and friendly staff.
They used to be overbooked and understaffed. That seems to have been solved. Phlebotomist plays classical music which is quite nice.
February 2026
The phlebotomist was extremely patient and accurate (one painless stick). I’m not an easy draw and usually suffer as a result. He was truly compassionate and caring!
January 2026
Check in was easy, I didn't have to wait long and the technician was polite, professional and empathetic to my fear of needles. Love this location.
