Providers
170
Locations
7
Specialties
12
Insurance Plans
23
About Northbay Health Medical Foundation
Background and practice information
Northbay Health Medical Foundation is a large multi-specialty medical practice based in Fairfield, CA, with 170 affiliated healthcare providers practicing across 7 locations.
The practice brings together providers across multiple specialties, including nurse practitioner, physician assistant, family practice, and physical therapist in private practice. Its providers are in-network with 23 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Practice Locations
7 locations
Northbay Health Medical FoundationPrimary
101 MAIN ST, Winters, CA 956941930
(707) 646-5500
Affiliations
Hospitals where providers at Northbay Health Medical Foundation hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Northbay Health Medical Foundation accepts 101 plans from 12 insurers, including Humana, Cigna, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Specialties at Northbay Health Medical Foundation
Provider specialties represented at this practice
Healthcare Providers in Winters
12 providers practice here
Angela Brennan, DO
Family Practice · Telehealth
Winters, CA
Alina Hongsakaphadana, MD
Family Practice · Telehealth
Winters, CA
Renee Miranda, MD
Family Practice
Winters, CA
Stephen Newman, MD
Family Practice · Telehealth
Winters, CA
Gian Pinot, MD
Family Practice
Winters, CA
Kevin Xunan, DO
Family Practice · Telehealth
Winters, CA
Kulbir Bajwa, MD
Internal Medicine · Telehealth
Winters, CA
Kenneth Low, MD
Internal Medicine
Winters, CA
Tangie Thompson, NP
Nurse Practitioner
Winters, CA
Bruce Hewett, MD
Pediatric Medicine
Winters, CA
Gabriel Aguilar, PA
Physician Assistant
Winters, CA
Coryn Nicholls, PA
Physician Assistant
Winters, CA
Frequently Asked Questions
Common questions about Northbay Health Medical Foundation
How many providers are at Northbay Health Medical Foundation?
Northbay Health Medical Foundation has 170 affiliated healthcare providers across 7 locations. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Northbay Health Medical Foundation offer?
The practice includes providers in nurse practitioner, physician assistant, family practice, and physical therapist in private practice, among others. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Northbay Health Medical Foundation accept?
Providers at Northbay Health Medical Foundation are collectively in-network with 23 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Where is Northbay Health Medical Foundation located?
Northbay Health Medical Foundation'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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