Individual provider Active NPI

Maria Isabel Ramirez Leyva, ASW

  • Social Worker
  • Vallejo, CA
National Provider Identifier
1639454531
Registry record updated Jun 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
133803 Issued in CA
Practice address
160 Glen Cove Marina Rd E Ste 102
Vallejo, CA 94591-7290
Phone
(707) 648-2000
NPI assigned
Oct 12, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 1, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 133803 CA Primary

Addresses

Primary practice location

160 Glen Cove Marina Rd E Ste 102
Vallejo, CA 94591-7290

Mailing address

160 Glen Cove Marina Rd E Ste 102
Vallejo, CA 94591-7290
Phone (707) 648-2000

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)
Not enrolled

State licenses

LicenseStateTypeSpecialty
133803CAMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Alternative Family Services, Inc. Past Accepting new patients

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": "1318377600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780272000000",
    "number": "1639454531",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "160 GLEN COVE MARINA RD E STE 102",
            "city": "VALLEJO",
            "state": "CA",
            "postal_code": "945917290",
            "telephone_number": "707-648-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "160 GLEN COVE MARINA RD E STE 102",
            "city": "VALLEJO",
            "state": "CA",
            "postal_code": "945917290",
            "telephone_number": "707-648-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RAMIREZ LEYVA",
        "first_name": "MARIA ISABEL",
        "name_prefix": "Ms.",
        "credential": "ASW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-10-12",
        "last_updated": "2026-06-01",
        "certification_date": "2026-06-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": "133803",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Vallejo, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 1, 2026; 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.