Heather L Landon, APN, FNP-BC

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

209.016459 Issued in IL

Practice address

1441 Branding Ave Ste 310
Downers Grove, IL 60515-5624

Phone

(630) 829-1084

Fax

(630) 829-1040

NPI assigned

Aug 1, 2017

Last updated

Sep 2, 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 1

Addresses

Other identifiers 2

Other names 1

• Heather Tomassi Former name

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IL

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

Specialty

Nurse Practitioner

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: hlandon242351@direct.myadvocateaurora.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.

• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment Care Compare group NPD
• Advanced Physicians, S.C.

  • Pain Medicine (Physical Medicine & Rehabilitation) Physician
  • Crest Hill, IL
  • NPI 1124075288
  Medicare reassignment NPD
• Central Dupage Physician Group

  dba Northwestern Medicine Regional Medical Group

  • Family Medicine Physician
  • Carol Stream, IL
  • NPI 1033149844
  Medicare reassignment NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  NPD
• Central Dupage Physician Group

  dba Northwestern Medicine Regional Medical Group

  • Orthopaedic Surgery Physician
  • Geneva, IL
  • NPI 1780012344
  NPD

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

{
    "created_epoch": "1501545600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756771200000",
    "number": "1821512815",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29373 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731293",
            "telephone_number": "847-390-5900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1441 BRANDING AVE STE 310",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605155624",
            "telephone_number": "630-829-1084",
            "fax_number": "630-829-1040"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1803 Lake Bluff Lane",
            "address_purpose": "LOCATION",
            "city": "Pingree Grove",
            "state": "IL",
            "postal_code": "60140",
            "country_code": "US",
            "telephone_number": "331-442-9994",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25 N. Winfield Road",
            "address_purpose": "LOCATION",
            "city": "Winfield",
            "state": "IL",
            "postal_code": "60190",
            "country_code": "US",
            "telephone_number": "630-933-1600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LANDON",
        "first_name": "HEATHER",
        "middle_name": "L",
        "credential": "APN, FNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-08-01",
        "last_updated": "2025-09-02",
        "certification_date": "2025-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "209.016459",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE GROUP",
            "identifier": "206147",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE INDIVIDUAL",
            "identifier": "F400420145",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hlandon242351@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "1441 Branding Ave Ste 310",
            "city": "Downers Grove",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605155624",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1441 Branding Ave Ste 310",
            "city": "Downers Grove",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605155624",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "HEATHER",
            "last_name": "TOMASSI",
            "credential": "RN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Landmark Medical of Tennessee PC
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• Arlene Ross Langley, LCSW
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• Nancy M Lannan, RD, LDN
• Theresa Lao, D.D.S.

• Family Nurse Practitioner in Downers Grove, IL
• Providers in Downers Grove, IL by specialty
• Family Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.