NORTHBAY HEALTHCARE GROUP
NPI 1821147786
General Acute Care Hospital in Fairfield, CA
About Northbay Healthcare Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NORTHBAY HEALTHCARE GROUP (NPI 1821147786), doing business as Dba Northbay Medical Center, is a healthcare organization registered as a general acute care hospital in Fairfield, California and active in the NPI registry since January 2007. The organization maintains 2 additional practice locations and lists Jaye Lynn Bonham, Avp, Managed Care, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Northbay Healthcare Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
515Medicare enrollment records show 515 clinicians reassign Medicare billing to Northbay Healthcare Group, which bills Medicare for the services they deliver. Of these, 10 practice at this address and 181 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 50
Nearest to this location (20)
See all 515Fairfield, CA 94533
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Northbay Healthcare Group's NPI number?
The NPI number for Northbay Healthcare Group is 1821147786. It was assigned to this organization in the NPPES registry on January 9, 2007. The provider is doing business as dba NorthBay Medical Center.
Where is Northbay Healthcare Group located?
Northbay Healthcare Group is located at 1200 B Gale Wilson Blvd, Fairfield, CA 94533. The listed phone number is (707) 646-5000.
What is Northbay Healthcare Group's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is Northbay Healthcare Group enrolled in Medicare?
Yes. Northbay Healthcare Group is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Northbay Healthcare Group?
According to the CMS Revalidation Reassignment List (October 2026 release), 515 clinicians in 50 Medicare specialties reassign their Medicare billing to Northbay Healthcare Group. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (70), Emergency Medicine (56) and Internal Medicine (55). Of these, 10 practice at this address and 181 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Northbay Healthcare Group was last updated on June 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Northbay Healthcare Group · NPI 1821147786
General Acute Care Hospital organization in Fairfield, California. Organization record, active in the CMS NPPES registry since January 9, 2007.
## Identity
- **NPI:** 1821147786 (Entity type: Organization)
- **Enumerated:** January 9, 2007
- **Primary specialty:** General Acute Care Hospital · taxonomy 282N00000X
- **Also known as:** dba NorthBay Medical Center (Doing Business As)
- **Organization subpart:** Yes (part of Northbay Healthcare Group)
- **Authorized official:** Jaye Lynn Bonham, AVP, MANAGED CARE
## Practice location
- **Address:** 1200 B GALE WILSON BLVD, Fairfield, CA 94533-3552
- **Phone:** (707) 646-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 515 clinicians in 50 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (70), Emergency Medicine (56), Internal Medicine (55); 10 practice at this address and 181 within 10 miles; [full list](https://npiprofile.com/npi/1821147786/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 9, 2025
- **Other identifiers:** Other ZZR00367F (CA); Other GR0093200 (CA); Other HSP40367F (CA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1821147786) · Data from the CMS NPPES public registry.