Helen Louise Nation, APRN, MSN, NNP

Primary specialty

Neonatal Nurse PractitionerTaxonomy code 363LN0000X

License

13009 Issued in TN

Practice address

3601 The Vanderbilt Clinic
Nashville, TN 37232-5100

Phone

(615) 322-3000

NPI assigned

Nov 30, 2007

Last updated

Jun 19, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Helen Louise Donnell Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in TN

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing, Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: hnation21823@direct.vumc.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Vanderbilt University Medical Center

  dba Vanderbilt Medical Group

  • Internal Medicine Physician
  • Nashville, TN
  • NPI 1104202761
  Medicare reassignment NPD
• Vanderbilt University

  dba Vanderbilt Medical Group

  • Clinical Social Worker
  • Nashville, TN
  • NPI 1285659706
  NPD (past)

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

{
    "created_epoch": "1196380800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750291200000",
    "number": "1669654679",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3841 GREEN HILLS VILLAGE DR STE 200",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372152691"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3601 THE VANDERBILT CLINIC",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372325100",
            "telephone_number": "615-322-3000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2200 Childrens Way",
            "address_purpose": "LOCATION",
            "city": "Nashville",
            "state": "TN",
            "postal_code": "372320005",
            "country_code": "US",
            "telephone_number": "615-936-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NATION",
        "first_name": "HELEN",
        "middle_name": "LOUISE",
        "name_prefix": "Mrs.",
        "credential": "APRN, MSN, NNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-11-30",
        "last_updated": "2025-06-19",
        "certification_date": "2025-06-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LN0005X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal, Critical Care",
            "state": "TN",
            "license": "APN0000013009",
            "primary": false
        },
        {
            "code": "363LN0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal",
            "state": "TN",
            "license": "13009",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hnation21823@direct.vumc.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Health Information Service Provider",
            "address_1": "3601 The Vanderbilt Clinic",
            "city": "Nashville",
            "state": "TN",
            "country_code": "US",
            "postal_code": "372325100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "HELEN",
            "last_name": "DONNELL",
            "middle_name": "LOUISE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Natali Efstathiou LP LLC
• Stefano Natali
• Emily Jean Nath, CRNA
• Jayashree Rani Nathan, MD
• Tayla Nirvana Nathoo
• National Seating & Mobility, Inc.
• National Tele-Nephrology Associates PC (Ntna)
• National Trans LLC
• National Vision Inc (America's Best Contacts & Eyeglasses)
• National Vision, Inc. (America's Best Contacts & Eyeglasses)

• Neonatal Nurse Practitioner in Nashville, TN
• Providers in Nashville, TN by specialty
• Neonatal Nurse Practitioner in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.