Providers
6
Locations
2
Specialties
1
Insurance Plans
5
About Western Laboratories
Background and practice information
Western Laboratories is a mid-sized group medical practice based in Fremont, CA, with 6 affiliated healthcare providers practicing across 2 locations.
The practice brings together providers across several specialties, including pathology. Its providers are in-network with 5 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Practice Locations
2 locations
Western LaboratoriesPrimary
27200 CALAROGA AVE, Hayward, CA 945454339
(510) 264-4000
Affiliations
Hospitals where providers at Western Laboratories hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Western Laboratories accepts 31 plans from 5 insurers, including Cigna, Aetna, Blue Shield of California.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Specialties at Western Laboratories
Provider specialties represented at this practice
Frequently Asked Questions
Common questions about Western Laboratories
How many providers are at Western Laboratories?
Western Laboratories has 6 affiliated healthcare providers across 2 locations. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Western Laboratories offer?
The practice includes providers in pathology. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Western Laboratories accept?
Providers at Western Laboratories are collectively in-network with 5 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Where is Western Laboratories located?
Western Laboratories's primary location is in Fremont, CA, with 1 additional location listed on this page. See the contact section for the full address and phone number.
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