Holly Elizabeth Warren Oberg, RN, PHN

Primary specialty

School Registered NurseTaxonomy code 163WS0200X

License

762784 Issued in CA

Practice address

24823 Soto Rd
Hayward, CA 94544-1931

Phone

(510) 723-3857

Fax

(510) 582-8805

NPI assigned

Dec 17, 2025

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1765929600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765929600000",
    "number": "1992660591",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24823 SOTO RD",
            "city": "HAYWARD",
            "state": "CA",
            "postal_code": "945441931",
            "telephone_number": "510-723-3857",
            "fax_number": "510-582-8805"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "24823 SOTO RD",
            "city": "HAYWARD",
            "state": "CA",
            "postal_code": "945441931",
            "telephone_number": "510-723-3857",
            "fax_number": "510-582-8805"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OBERG",
        "first_name": "HOLLY",
        "middle_name": "ELIZABETH WARREN",
        "credential": "RN, PHN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-12-17",
        "last_updated": "2025-12-17",
        "certification_date": "2025-12-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WS0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, School",
            "state": "CA",
            "license": "762784",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica O'Dea-Bumanglag
• Perla O'Shea
• Shelley Leann O'Sullivan, RAS
• Oakrheem
• John Obegolu
• Myla Oquendo Ocampo-Wong, R.D.
• Stephanie Ocegueda
• Aldwyn Oceguera-Gonzalez
• Ana Ochoa
• Anderson Ochoa

• School Registered Nurse in Hayward, CA
• Providers in Hayward, CA by specialty
• School Registered Nurse in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 17, 2025; 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.