NPIMap

Organization Active NPI

Northbay Healthcare Group

  • Addiction Medicine (Psychiatry & Neurology) Physician
  • Fairfield, CA
National Provider Identifier
1780736736
Registry record updated Jan 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction Medicine (Psychiatry & Neurology) PhysicianTaxonomy code 2084A0401X
Legal business name
NORTHBAY HEALTHCARE GROUP
Practice address
1860 Pennsylvania Ave Ste 230
Fairfield, CA 94533-3550
Phone
(707) 646-4370
NPI assigned
Jan 18, 2007
Organization subpart
Yes
Parent organization
NORTHBAY HEALTHCARE GROUPAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Jan 22, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Joseph Dangina
Title
Cfo
Phone
(707) 646-3111

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RG0100X
Rheumatology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RR0500X
Medical Oncology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RX0202X
Addiction Medicine (Psychiatry & Neurology) PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 2084A0401X Primary
Neurology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 2084N0400X
Pulmonary Rehabilitation Certified Respiratory TherapistGroup: 193200000X MULTI-SPECIALTY GROUP 2278P1005X

Addresses

Primary practice location

1860 Pennsylvania Ave Ste 230
Fairfield, CA 94533-3550

Mailing address

4500 Business Center Dr
Fairfield, CA 94534-6888
Phone (707) 646-3111

Other practice location 1

4520 Business Center Drive
180
Fairfield, CA 94534
Phone (707) 646-3555

Other practice location 2

1860 Pennsylvania Ave Ste 230
Fairfield, CA 94533-3550
Phone (707) 646-4370

Other identifiers 2

IdentifierTypeStateIssuer
110000093OtherCADHS LICENSE
GR0093200OtherCAMEDI-CAL PHYSICIAN GROUP

Other names 1

  • NorthBay Health Urgent Care Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20031105000409 CA Part B Supplier - Clinic/Group Practice 0042122244 Receives reassigned benefits from 556 practitioners
3 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Vacaville, CA; Winters, CA; Rio Vista, CA; Napa, CA; Fairfield, CA; American Canyon, CA; Dixon, CA

Other NPIs on the same Medicare enrollment 3

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
05D1091784Northbay Healthcare Group Center for Womens HLTH1860 Pennsylvania Avenue, Suite 300a, Fairfield, CA 94533Provider-performed microscopyNov 9, 2026
05D2172284Northbay Healthcare1860 Pennsylvania Ave Ste 305, Fairfield, CA 94533Certificate of waiverSep 17, 2027

National Provider Directory

National Provider Directory
Part of
Vacavalley Hospital

Member organizations 2

Organizations listed as members of this organization in the National Provider Directory.

Locations

1305 Stratford Ave
Dixon, CA 95620

4520 Business Center Dr
Ste 200
Fairfield, CA 94534
Phone (707) 646-3500

1860 Pennsylvania Ave
Ste 310
Fairfield, CA 94533
Phone (707) 429-6751

Networks

  • BSC 65 PLUS INDIVIDUAL MAPDPlans: Blue Shield 65 Plus (HMO) (H0504-015-000, H0504); Blue Shield 65 Plus (HMO) (H0504-039-000, H0504); Blue Shield 65 Plus Plan 2 (HMO) (H0504-021-000, H0504); Blue Shield Inspire (HMO) (H0504-041-000, H0504); Blue Shield 65 Plus (HMO) (H0504-038-000, H0504); Blue Shield Inspire (HMO) (H0504-047-000, H0504); Blue Shield 65 Plus (HMO) (H0504-026-000, H0504); Blue Shield Advantage (HMO) (H0504-050-000, H0504); Blue Shield AdvantageOptimum Plan (HMO) (H5928-004-000, H5928); Blue Shield Inspire (HMO) (H0504-043-000, H0504)…

Ownership & related parties

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

Practitioners & affiliated clinicians

Practitioners 122

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 122

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1169078400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1769040000000",
    "number": "1780736736",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4500 BUSINESS CENTER DR",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945346888",
            "telephone_number": "707-646-3111"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1860 PENNSYLVANIA AVE STE 230",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945333550",
            "telephone_number": "707-646-4370"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4520 Business Center Drive",
            "address_2": "180",
            "address_purpose": "LOCATION",
            "city": "Fairfield",
            "state": "CA",
            "postal_code": "94534",
            "country_code": "US",
            "telephone_number": "707-646-3555",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1860 Pennsylvania Ave Ste 230",
            "address_purpose": "LOCATION",
            "city": "Fairfield",
            "state": "CA",
            "postal_code": "945333550",
            "country_code": "US",
            "telephone_number": "707-646-4370",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "NORTHBAY HEALTHCARE GROUP",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "NORTHBAY HEALTHCARE GROUP",
        "enumeration_date": "2007-01-18",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A",
        "authorized_official_last_name": "DANGINA",
        "authorized_official_first_name": "JOSEPH",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "707-646-3111"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Gastroenterology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Rheumatology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Medical Oncology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084A0401X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Addiction Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2278P1005X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Respiratory Therapist, Certified, Pulmonary Rehabilitation",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DHS LICENSE",
            "identifier": "110000093",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDI-CAL PHYSICIAN GROUP",
            "identifier": "GR0093200",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "NorthBay Health Urgent Care",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Fairfield, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.