Quest Diagnostics

Lab Testing at Quest Diagnostics - Napa Trancas

Quest Diagnostics Patient Service Center in Napa, CA 94558.

Order Lab Tests for Collection at This Location

Browse All Tests

Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

673 Trancas St
Napa, CA 94558
Napa County

707-252-1611

Hours

Monday	7:30 AM – 4:00 PM
Tuesday	7:30 AM – 4:00 PM
Wednesday	7:30 AM – 4:00 PM
Thursday	7:30 AM – 4:00 PM
Friday	7:30 AM – 4:00 PM
Saturday	7:30 AM – 11:30 AM
Sunday	Closed

Nearby alternatives

LabCorp Napa
3448 Villa Ln Ste 103, Napa, CA 94558
0.4 mi
LabCorp Napa
1100 Trancas St Suite 200, Napa, CA 94558
0.5 mi
Quest Diagnostics - Sonoma Perkins - Employer Drug Testing Not Offered
386 Perkins St, Sonoma, CA 95476
10 mi
Quest Diagnostics - Fairfield Oliver
1411 Oliver Rd Suite 130, Fairfield, CA 94534
12.7 mi
Medic - Fairfield
1335 Oliver Rd, Fairfield, CA 94534
12.8 mi

About this location

Quest Diagnostics Patient Service Center. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.

Listing last updated 2026-04-25.