Individual provider Active NPI

Joanna Locke, MD

  • Public Health & General Preventive Medicine Physician
  • Woodland, CA
National Provider Identifier
1134037476
Registry record updated Aug 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Public Health & General Preventive Medicine PhysicianTaxonomy code 2083P0901X
License
C53802 Issued in CA
Practice address
25 N Cottonwood St
Woodland, CA 95695-6609
Phone
(530) 666-8670
NPI assigned
Aug 28, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 28, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Public Health & General Preventive Medicine Physician 2083P0901X C53802 CA Primary

Addresses

Primary practice location

25 N Cottonwood St
Woodland, CA 95695-6609

Mailing address

25 N Cottonwood St
Woodland, CA 95695-6609
Phone (530) 666-8670

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": "1787875200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1134037476",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 N COTTONWOOD ST",
            "city": "WOODLAND",
            "state": "CA",
            "postal_code": "956956609",
            "telephone_number": "530-666-8670"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 N COTTONWOOD ST",
            "city": "WOODLAND",
            "state": "CA",
            "postal_code": "956956609",
            "telephone_number": "530-666-8670"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOCKE",
        "first_name": "JOANNA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-08-28",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2083P0901X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Public Health & General Preventive Medicine",
            "state": "CA",
            "license": "C53802",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Woodland, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.