Individual provider Active NPI

Amy Sage Thomsen, PA-C

  • Physician Assistant
  • Fairfield, CA
National Provider Identifier
1043449119
Registry record updated Oct 29, 2014
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
20370 Issued in CA
Practice address
1200 B Gale Wilson Blvd
Fairfield, CA 94533-3552
Phone
(707) 646-5818
NPI assigned
Jul 9, 2009
Last updated
Oct 29, 2014By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 29, 2014

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 20370 CA Primary

Addresses

Primary practice location

1200 B Gale Wilson Blvd
Fairfield, CA 94533-3552

Mailing address

2359 Prune St
Pinole, CA 94564-1719
Phone (805) 448-6902

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20091026000441 CA Practitioner - Physician Assistant 0648317529 Reassigns benefits to 3 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
20370CAMDAcupuncturist

Practice roles

OrganizationSpecialtyStatusNew patients
Carbon Health Medical Group of California PC CurrentSince Jun 30, 2025 Accepting new patients
Northbay Healthcare Group CurrentSince Nov 12, 2019 Accepting new patients
Northbay Healthcare Group CurrentSince Nov 12, 2019 Accepting new patients

Locations

2690 5th St
Ste B
Alameda, CA 94501
Phone (510) 439-9447

3095 Telegraph Ave
Berkeley, CA 94705
Phone (510) 495-0772

1200 B Gale Wilson Blvd
Fairfield, CA 94533
Phone (707) 429-3600

1000 Nut Tree Rd
Vacaville, CA 95687
Phone (707) 446-4000

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1247097600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1414540800000",
    "number": "1043449119",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2359 PRUNE ST",
            "city": "PINOLE",
            "state": "CA",
            "postal_code": "945641719",
            "telephone_number": "805-448-6902"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 B GALE WILSON BLVD",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945333552",
            "telephone_number": "707-646-5818"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THOMSEN",
        "first_name": "AMY",
        "middle_name": "SAGE",
        "name_prefix": "Mrs.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-07-09",
        "last_updated": "2014-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "20370",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fairfield, CA

Sources for this page

Verify at the official NPI Registry.