Contact Us :
Phone Numbers
NorthBay Center for Primary Care - Call Center:
(707) 646-5500
NorthBay Center for Primary Care - Vacaville:
421 Nut Tree Rd, Vacaville CA 95687
NorthBay Center for Primary Care -Fairfield:
2458 Hilborn Rd, Fairfield CA 94534
NorthBay Center for Primary Care - Green Valley:
4520 Business Center Dr, Fairfield CA 94534
Office Hours
Call Center:
Mon – Fri: 7:30 a.m. – 5 p.m.
Office Hours:
Mon – Fri: 8 a.m. – 5 p.m.

Video visits are currently offered to all NorthBay Medical Group patients. This includes our primary care doctors and our specialty offices (Heart & Vascular, Oncology, Orthopedics, etc...).

Primary Health Care Services in Vacaville and Fairfield

Care you can trust.

NorthBay Healthcare's Center for Primary Care provides exceptional family practice, internal medicine and pediatric physicians close to your home with compassionate staff and access to an entire network of specialists, should you ever need one.

Our primary health care providers take that extra step to really get to know you, offering medical advice that fits your lifestyle. It's all part of NorthBay's mission: compassionate care, advanced medicine, close to home.

Care when and where you need it.

Our goal is to make health care easily accessible. We know that getting care when you need it is important to you so we offer same-day appointments and give you options for after-hours appointments for minor illnesses and injuries.

NorthBay Urgent Care & Virtual Visits

NorthBay Urgent Care offers immediate medical attention for non-life threatening medical conditions. It's the perfect alternative to the Emergency Room (shorter waits and lower cost) or when you can't get in to see your regular doctor. We treat a wide range of conditions from common colds and flu to stitches and broken bones.

We now have an office in Vacaville and Fairfield. Our office at the Nut Tree Plaza in Vacaville is open from 9 a.m. until 7 p.m. seven days a week and on most holidays. Our office at the Solano Town Center in Fairfield is open from 11 a.m. until 9:00 p.m. seven days a week and on most holidays. Same day appointments are available at both with the option to schedule online, walk-in, or have a virtual visit.


Stay connected with your NorthBay care team with MyNorthBayDoc, our online portal that lets you communicate securely with your doctor, schedule appointments and review your health record, including lab reports.

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Care when and where you need it. Learn how you can find relief today with our urgent care services in Fairfield and Vacaville.

A vector image of three test tubes in a holder with a clock above them. Below this image you can find the lab hours for all our primary care centers.

The lab hours for all our centers for primary care are as follows:


  • 8:00 a.m. – 11:30 a.m.
  • 12:30 p.m. – 4:15 p.m.


  • 8:00 a.m. – 12:15 p.m.
  • 1:30 p.m. – 4:30 p.m.

Green Valley:

  • 8:00 a.m. – 1:00 p.m.
  • 2:00 p.m. – 4:30 p.m.
What's new with NorthBay Healthcare?

Get news you can use to stay healthy and get the most out of your medical group.

Three Convenient Locations Three Convenient Locations

Our Center for Primary Care in Vacaville is located on 421 Nut Tree Road.

Our Center for Primary Care in Fairfield is located on 2458 Hilborn Road.

Our Center for Primary Care in Green Valley is located on 4520 Business Center Drive, Fairfield.

Find the best doctor for you.

View providers specializing in primary health care services in Vacaville and Fairfield.

Find a Specialist

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