Individual provider Active NPI

Isabel Ulloa

  • Clinical Social Worker
  • Vacaville, CA
National Provider Identifier
1619347002
Registry record updated Apr 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LCSW79256 Issued in CA
Practice address
401 Nut Tree Rd
Vacaville, CA 95687-3508
Phone
(707) 640-1567
NPI assigned
Sep 29, 2015
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 1, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X ASW35332 CA
Clinical Social Worker 1041C0700X LCSW79256 CA Primary

Addresses

Primary practice location

401 Nut Tree Rd
Vacaville, CA 95687-3508

Mailing address

PO Box 992
Vacaville, CA 95696-0992

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq Health Information Exchange (HIE) The Permanente Medical Group

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
ASW35332CAMDMental Health Counselor
LCSW79256CAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Vacaville Unified School District CurrentSince Sep 21, 2025 Accepting new patients

Locations

401 Nut Tree Rd
Vacaville, CA 95687
Phone (707) 410-0621

Organizations & group practices 1

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

NPI Registry JSON

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

{
    "created_epoch": "1443484800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743465600000",
    "number": "1619347002",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 992",
            "city": "VACAVILLE",
            "state": "CA",
            "postal_code": "956960992"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 NUT TREE RD",
            "city": "VACAVILLE",
            "state": "CA",
            "postal_code": "956873508",
            "telephone_number": "707-640-1567"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ULLOA",
        "first_name": "ISABEL",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-09-29",
        "last_updated": "2025-04-01",
        "certification_date": "2025-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "ASW35332",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "LCSW79256",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "The Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "710 S. Broadway",
            "city": "Walnut Creek",
            "state": "CA",
            "country_code": "US",
            "postal_code": "94596",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Vacaville, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.