Madison Helfer, RN

Primary specialty

Women's Health Nurse PractitionerTaxonomy code 363LW0102X

License

95332701 Issued in CA

Practice address

675 Sharon Park Dr Apt 128
Menlo Park, CA 94025-6958

Phone

(808) 554-3390

NPI assigned

Jun 9, 2026

Sex

Female

Sole proprietor

Yes

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

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

{
    "created_epoch": "1780963200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780963200000",
    "number": "1104750082",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "675 SHARON PARK DR APT 128",
            "city": "MENLO PARK",
            "state": "CA",
            "postal_code": "940256958",
            "telephone_number": "808-554-3390"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "675 SHARON PARK DR APT 128",
            "city": "MENLO PARK",
            "state": "CA",
            "postal_code": "940256958",
            "telephone_number": "808-554-3390"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HELFER",
        "first_name": "MADISON",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-06-09",
        "last_updated": "2026-06-09",
        "certification_date": "2026-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LW0102X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Women's Health",
            "state": "CA",
            "license": "95332701",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Women's Health Nurse Practitioner in Menlo Park, CA
• Providers in Menlo Park, CA by specialty
• Women's Health Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 9, 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.