Individual provider Active NPI

Heather Ilana Polk, NP

  • Pediatric Nurse Practitioner
  • Knoxville, TN
National Provider Identifier
1831514488
Registry record updated Aug 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Nurse PractitionerTaxonomy code 363LP0200X
License
18314 Issued in TN
Practice address
9129 Cross Park Dr
Knoxville, TN 37923-4505
Phone
(865) 983-1899
NPI assigned
Feb 19, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 18, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Nurse Practitioner 363LP0200X 18314 TN Primary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 18314 TN
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 186307 TN
Pediatric Nurse Practitioner 363LP0200X 186307 TN

Addresses

Primary practice location

9129 Cross Park Dr
Knoxville, TN 37923-4505

Mailing address

9129 Cross Park Dr Ste 100
Knoxville, TN 37923-4505
Phone (865) 983-1899

Other identifiers 1

IdentifierTypeStateIssuer
Q009822MedicaidTN

Other names 1

  • Heather Ilana Williams Former name

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20170927004607 TN Order and Referring Only - Nurse Practitioner 6608140744

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
18314TNMDPediatric Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
East Tennessee Children'S Hospital Association, Inc. Multi-Specialty Past Accepting new patients
Knoxville Behavioral & Mental Health Services Multi-Specialty PastSince May 11, 2025 Accepting new patients

Organizations & group practices 2

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

NPI Registry JSON

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

{
    "created_epoch": "1392768000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1831514488",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9129 CROSS PARK DR STE 100",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379234505",
            "telephone_number": "865-983-1899",
            "fax_number": "865-409-5948"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9129 CROSS PARK DR",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379234505",
            "telephone_number": "865-983-1899"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POLK",
        "first_name": "HEATHER",
        "middle_name": "ILANA",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-02-19",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "TN",
            "license": "18314",
            "primary": true
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "TN",
            "license": "18314",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "TN",
            "license": "186307",
            "primary": false
        },
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "TN",
            "license": "186307",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "Q009822",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HEATHER",
            "last_name": "WILLIAMS",
            "middle_name": "ILANA",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Knoxville, TN

Sources for this page

Verify at the official NPI Registry.