Clinical Location Services
US Clinical Labs Directory
Locate accredited Quest Diagnostics and Labcorp health facilities across the United States. Search or navigate to retrieve secure contact information.
//San Francisco
Labs in San Francisco, CA
Showing 30 of 30 verified laboratory facilities located in San Francisco.
Area:
Union Square
Q
Quest Diagnostics - San Francisco Union Square
Quest Diagnostics Center
Address4253 82nd St, Suite 356, San Francisco, CA 94108
Phone+1 (415) 922-3962
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Mission District
Q
Quest Diagnostics - San Francisco Mission District
Quest Diagnostics Center
Address3831 Webster St, Suite 523, San Francisco, CA 94114
Phone+1 (415) 795-1494
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Chinatown
Q
Quest Diagnostics - San Francisco Chinatown
Quest Diagnostics Center
Address7859 Bay Parkway, Suite 495, San Francisco, CA 94133
Phone+1 (415) 660-3671
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Pacific Heights
Q
Quest Diagnostics - San Francisco Pacific Heights
Quest Diagnostics Center
Address5892 Austin St, Suite 239, San Francisco, CA 94115
Phone+1 (415) 625-5799
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
SOMA
Q
Quest Diagnostics - San Francisco SOMA
Quest Diagnostics Center
Address4013 Research Blvd, Suite 274, San Francisco, CA 94103
Phone+1 (415) 853-6810
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Richmond District
Q
Quest Diagnostics - San Francisco Richmond District
Quest Diagnostics Center
Address1404 1st Ave, Suite 426, San Francisco, CA 94118
Phone+1 (415) 238-7646
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Marina District
Q
Quest Diagnostics - San Francisco Marina District
Quest Diagnostics Center
Address8878 Roosevelt Ave, Suite 265, San Francisco, CA 94123
Phone+1 (415) 707-6435
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Sunset District
Q
Quest Diagnostics - San Francisco Sunset District
Quest Diagnostics Center
Address1187 Bay Parkway, Suite 558, San Francisco, CA 94122
Phone+1 (415) 486-2677
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
Haight-Ashbury
Q
Quest Diagnostics - San Francisco Haight-Ashbury
Quest Diagnostics Center
Address9222 Kirkman Rd, Suite 133, San Francisco, CA 94117
Phone+1 (415) 566-7571
Emailpatientbilling@questdiagnostics.com
Portalwww.questdiagnostics.com
HbA1c Test Preparation & Guidance
Unlike standard fasting blood glucose tests, an **HbA1c screening does NOT require fasting**. You can eat and drink normally before arriving at Quest Diagnostics or Labcorp. Make sure to bring your doctor's official laboratory requisition form and your clinical ID cards.
Expert Testing Insights
Clinical Testing & A1C FAQs
Get expert, clinical answers to common questions about HbA1c screenings, outpatient lab networks, and diagnostic preparations.
Most primary outpatient centers in San Francisco are conveniently located near major medical corridors and public transit routes. Check our localized directory for exact addresses to plan your route.
Local patient service centers in San Francisco usually open early—typically between 6:30 AM and 7:30 AM—to accommodate patients who prefer morning draws before going to work.
While walk-ins are accepted at Quest and Labcorp sites in San Francisco, scheduled appointments receive priority. We highly recommend booking online beforehand to avoid long wait times.
Certified pediatric phlebotomists are available at select San Francisco draw locations. Ensure your child is well-hydrated, and choose centers marked with pediatric service flags.
Yes, several outpatient laboratory sites in San Francisco operate half-day schedules on Saturdays (typically 8:00 AM to 12:00 PM). Use our directory filter to find locations active on weekends.
All certified clinical draw centers in San Francisco comply fully with ADA accessibility standards, providing designated parking, step-free access, and automatic entryways.
Your specimen is safely labeled with unique barcodes and transported in temperature-controlled couriers from San Francisco to regional laboratory processing hubs for high-precision diagnostic analysis.
Outpatient draw centers in San Francisco do not print medical records on-site for privacy reasons. All secure reports must be accessed via your online portal or requested from your ordering doctor.
You can easily modify, cancel, or reschedule your appointment by logging into the Quest or Labcorp portal where you made the initial reservation.
Yes, most modern patient service centers in San Francisco feature digital iPad or touchscreen self-check-in kiosks at the lobby to expedite your arrival registration.