Heather Dawn Davis, APRN,FNP-C

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

209018023 Issued in IL

Practice address

4119 S Water Tower PL Ste a
Mount Vernon, IL 62864-6293

Phone

(618) 816-6006

Fax

(618) 816-6005

NPI assigned

Nov 26, 2018

Last updated

Apr 17, 2026By 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 names 1

• Heather D Williams Former name

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, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mohammed Al-Zoubaidi MD PLLCGroup PAC ID 0042750341, 2 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: hdavis561357@direct-ehr-ssmhc.com
• Direct secure messaging: hdavis6748@sih.direct-ci.com

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.

• Mohammed Al-Zoubaidi MD PLLC

  dba Al-Zoubaidi Vein and Vascular center of southern Illinois

  • Vascular Surgery Physician
  • Mount Vernon, IL
  • NPI 1710734090
  Medicare reassignment Care Compare group NPD
• Southern Illinois Medical Services, NFP

  dba SIH Medical Group

  • Internal Medicine Physician
  • Carbondale, IL
  • NPI 1770656837
  Medicare reassignment NPD
• Southern Illinois Medical Services, NFP

  dba Center for Medical Arts Rural Health

  • Rural Health Clinic/Center
  • Carbondale, IL
  • NPI 1154510808
  NPD (past)

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

{
    "created_epoch": "1543190400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776384000000",
    "number": "1053880781",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4119 S WATER TOWER PL STE A",
            "city": "MOUNT VERNON",
            "state": "IL",
            "postal_code": "628646293",
            "telephone_number": "618-816-6006",
            "fax_number": "618-816-6005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4119 S WATER TOWER PL STE A",
            "city": "MOUNT VERNON",
            "state": "IL",
            "postal_code": "628646293",
            "telephone_number": "618-816-6006",
            "fax_number": "618-816-6005"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAVIS",
        "first_name": "HEATHER",
        "middle_name": "DAWN",
        "name_prefix": "Ms.",
        "credential": "APRN,FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-11-26",
        "last_updated": "2026-04-17",
        "certification_date": "2026-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209018023",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HEATHER",
            "last_name": "WILLIAMS",
            "middle_name": "D",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• David J. Lane, LTD.
• Alicia Davis
• Carl Robert Davis, CRNA
• Dennon W Davis, M.D.
• Duane Allen Davis, D.M.D.
• Jason A Davison, NP-C
• Deaconess Illinois Clinic, Inc (Deaconess IL Clinic 4105 N Water Tower)
• Deaconess Illinois Clinic, Inc (Deaconess Illinois Clinic)
• Deaconess Illinois Clinic, Inc (Deaconess Illinois Clinic)
• Deaconess Illinois Clinic, Inc (Deaconess Illinois Clinic)

• Nurse Practitioner in Mount Vernon, IL
• Providers in Mount Vernon, IL by specialty
• Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 2026; 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.