Hallie Jean Willis, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

2023036914 Issued in MO

Practice address

54 Hospital Dr
Osage Beach, MO 65065-3050

Phone

(573) 302-2715

Fax

(573) 302-2713

NPI assigned

Aug 31, 2023

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

• Hallie Mills Former name

Medicare fee-for-service enrollment

Enrolled in MO

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, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lake Regional Health SystemGroup PAC ID 9133026776, 132 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Lake Regional Health System Hospital, Osage Beach, MO, CCN 260186

Merit-based Incentive Payment System (MIPS)

Final score

89.58 of 100Reported as group

Promoting interoperability

100

Improvement activities

40

Cost

65.27

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: lakeregionalsleepmedicine@mhccaremail.com
• Direct secure messaging: halliedunn@mhccaremail.com

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.

• Lake Regional Health System

  • Emergency Medical Services (Emergency Medicine) Physician
  • Osage Beach, MO
  • NPI 1053581454
  Medicare reassignment Care Compare group NPD
• Lake Regional Medical Management, Inc.

  • Multi-Specialty Clinic/Center
  • Osage Beach, MO
  • NPI 1639134158
  Medicare reassignment NPD
• Lake Regional Health System

  • Durable Medical Equipment & Medical Supplies
  • Lebanon, MO
  • NPI 1578125324
  NPD
• Lake Regional Health System

  • Internal Medicine Physician
  • Osage Beach, MO
  • NPI 1962828616
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Lake Regional Health System

  • Clinic/Center
  • Osage Beach, MO
  • NPI 1295151959

  Hospital

  Care Compare affiliation
• Lake Regional Health System

  • Rural Acute Care Hospital
  • Osage Beach, MO
  • NPI 1386619450
  Care Compare affiliation

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

{
    "created_epoch": "1693440000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762214400000",
    "number": "1154107654",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "54 HOSPITAL DR",
            "city": "OSAGE BEACH",
            "state": "MO",
            "postal_code": "650653050",
            "telephone_number": "573-302-2715",
            "fax_number": "573-302-2713"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "54 HOSPITAL DR",
            "city": "OSAGE BEACH",
            "state": "MO",
            "postal_code": "650653050",
            "telephone_number": "573-302-2715",
            "fax_number": "573-302-2713"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIS",
        "first_name": "HALLIE",
        "middle_name": "JEAN",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-08-31",
        "last_updated": "2025-11-04",
        "certification_date": "2025-11-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MO",
            "license": "2023036914",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HALLIE",
            "last_name": "MILLS",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Theresa Welch, LCSW
• Well Aligned Chiropractic, LLC
• Ryan Wetzel, PHARMD
• Jacob Andrew White, PA-C
• Nicole Marie White, DDS
• Jessica Willis
• Cori Ann Wilson, P.T.A.
• Douglas Glen Wilson, D.O.
• Women'S Functional Health and Hormone Ce
• Courtney Wood

• Family Nurse Practitioner in Osage Beach, MO
• Providers in Osage Beach, MO by specialty
• Family Nurse Practitioner in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 4, 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.