Individual provider Active NPI

Julie Barker

  • Registered Dietitian
  • Clayton, CA
National Provider Identifier
1831093889
Registry record updated Oct 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
License
86132209 Issued in CA
Practice address
265 El Pueblo PL
Clayton, CA 94517-1747
Phone
(925) 817-7982
NPI assigned
Oct 5, 2026
Last updated
Oct 5, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Dietitian 133V00000X 86132209 CA Primary

Addresses

Primary practice location

265 El Pueblo PL
Clayton, CA 94517-1747

Mailing address

265 El Pueblo PL
Clayton, CA 94517-1747
Phone (925) 817-7982

Medicare participation

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

NPI Registry JSON

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

{
    "created_epoch": "1791158400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791158400000",
    "number": "1831093889",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "265 EL PUEBLO PL",
            "city": "CLAYTON",
            "state": "CA",
            "postal_code": "945171747",
            "telephone_number": "925-817-7982"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "265 EL PUEBLO PL",
            "city": "CLAYTON",
            "state": "CA",
            "postal_code": "945171747",
            "telephone_number": "925-817-7982"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BARKER",
        "first_name": "JULIE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-10-05",
        "last_updated": "2026-10-05",
        "certification_date": "2026-10-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "CA",
            "license": "86132209",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Clayton, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.