Individual provider Active NPI

Clio Bernhardson-Massolo

  • Clinical Social Worker
  • Oakland, CA
National Provider Identifier
1386158624
Registry record updated Jul 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
100721 Issued in CA
Practice address
1605 Jefferson St
Oakland, CA 94612-1215
Phone
(510) 923-1099
Fax
(510) 350-8793
NPI assigned
Nov 22, 2017
Last updated
Jul 24, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 24, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 100721 CA Primary

Addresses

Primary practice location

1605 Jefferson St
Oakland, CA 94612-1215

Mailing address

150 Grand Ave Ste 200
Oakland, CA 94612-3726
Phone (510) 923-1099

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
100721CAMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1511308800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784851200000",
    "number": "1386158624",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 GRAND AVE STE 200",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946123726",
            "telephone_number": "510-923-1099",
            "fax_number": "510-923-0894"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1605 JEFFERSON ST",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946121215",
            "telephone_number": "510-923-1099",
            "fax_number": "510-350-8793"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BERNHARDSON-MASSOLO",
        "first_name": "CLIO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-11-22",
        "last_updated": "2026-07-24",
        "certification_date": "2026-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "100721",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oakland, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 24, 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.