Individual provider Active NPI

Sidney Petersen, RN

  • Registered Nurse
  • Oakland, CA
National Provider Identifier
1831008853
Registry record updated Sep 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered NurseTaxonomy code 163W00000X
License
RN9356878 Issued in FL
Practice address
525 21St St
Oakland, CA 94612-1605
Phone
(415) 218-6752
NPI assigned
Sep 4, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 4, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X 95091999 CA
Registered Nurse 163W00000X RN9356878 FL Primary

Addresses

Primary practice location

525 21St St
Oakland, CA 94612-1605

Mailing address

525 21St St
Oakland, CA 94612-1605
Phone (510) 587-3413

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": "1788480000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1831008853",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "525 21ST ST",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946121605",
            "telephone_number": "510-587-3413"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "525 21ST ST",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946121605",
            "telephone_number": "415-218-6752"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PETERSEN",
        "first_name": "SIDNEY",
        "name_prefix": "Mr.",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-09-04",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "95091999",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "FL",
            "license": "RN9356878",
            "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 Sep 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.