Providers
356
Locations
7
Specialties
12
Insurance Plans
55
About Northbay Physicians Surgery Center, Llc
Background and practice information
Northbay Physicians Surgery Center, LLC is a large multi-specialty medical practice based in Fairfield, CA, with 356 affiliated healthcare providers practicing across 7 locations.
The practice brings together providers across multiple specialties, including nurse practitioner, emergency medicine, internal medicine, and physician assistant. Its providers are in-network with 55 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Across its providers, the practice has a solid average Merit-based Incentive Payment System (MIPS) score of 76.1 out of 100, a quality measure published by the Centers for Medicare & Medicaid Services.
Practice Locations
7 locations
Northbay Physicians Surgery Center, LlcPrimary
101 MAIN ST, Winters, CA 956941930
(707) 646-4000
Affiliations
Hospitals where providers at Northbay Physicians Surgery Center, Llc hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Northbay Physicians Surgery Center, Llc accepts 136 plans from 15 insurers, including Cigna, Humana, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Quality & Performance
Specialties at Northbay Physicians Surgery Center, Llc
Provider specialties represented at this practice
Healthcare Providers in Winters
4 providers practice here
Frequently Asked Questions
Common questions about Northbay Physicians Surgery Center, Llc
How many providers are at Northbay Physicians Surgery Center, LLC?
Northbay Physicians Surgery Center, LLC has 356 affiliated healthcare providers across 7 locations. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Northbay Physicians Surgery Center, LLC offer?
The practice includes providers in nurse practitioner, emergency medicine, internal medicine, and physician assistant, among others. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Northbay Physicians Surgery Center, LLC accept?
Providers at Northbay Physicians Surgery Center, LLC are collectively in-network with 55 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Does Northbay Physicians Surgery Center, LLC have a quality rating?
The practice's providers have an average MIPS quality score of 76.1 out of 100, based on Centers for Medicare & Medicaid Services data. MIPS measures performance across quality, cost, care coordination, and use of health technology.
Where is Northbay Physicians Surgery Center, LLC located?
Northbay Physicians Surgery Center, LLC's primary location is in Fairfield, CA, with 6 additional locations listed on this page. See the contact section for the full address and phone number.
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