NPIMap

Individual provider Active NPI

George Ntui Ntui-Ayuk, MD

  • Internal Medicine Physician
  • Branson, MO
National Provider Identifier
1760796775
Registry record updated Jun 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
2012020695 Issued in MO
Practice address
251 Skaggs Rd
Branson, MO 65616-2031
Phone
(417) 335-7128
Fax
(417) 335-7588
NPI assigned
Aug 2, 2010
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 3, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 2012020695 MO
Hospitalist Physician 208M00000X MD25572 ME
Hospitalist Physician 208M00000X 036162483 IL
Internal Medicine Physician 207R00000X 2012020695 MO Primary

Addresses

Primary practice location

251 Skaggs Rd
Branson, MO 65616-2031

Mailing address

525 Branson Landing Blvd.
Branson, MO 65616
Phone (417) 335-7128

Other practice location 1

525 Branson Landing Blvd Ste 201A
Branson, MO 65616-2052
Phone (417) 335-7000

Other practice location 2

1101 W Liberty St
Farmington, MO 63640-1921
Phone (573) 705-1272

Other practice location 3

1 Medical Center Dr
Biddeford, ME 04005-9422
Phone (207) 283-7937

Other practice location 4

4500 Memorial Dr
Belleville, IL 62226-5360
Phone (618) 257-6220

Other identifiers 1

IdentifierTypeStateIssuer
1760796775MedicaidMO

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, MI, WI3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20120904000723 MO Practitioner - Internal MedicinePractitioner - Hospitalist 7719134386 Reassigns benefits to 4 organizations
I20150526001834 MI Practitioner - Internal Medicine 7719134386 Reassigns benefits to 1 organization
I20200902002810 WI Practitioner - Internal Medicine 7719134386 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aspirus Wausau Hospital IncGroup PAC ID 6406757442, 242 clinicians

Practice addresses (Care Compare)

333 Pine Ridge Blvd
Wausau, WI 54401-4102
Phone (715) 847-2121

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Gundersen Lutheran Medical Center Inc CurrentSince Mar 9, 2022 Accepting new patients
Sound Inpatient Physicians - Michigan, PLLC Internal Medicine CurrentSince Nov 1, 2017 Accepting new patients
Ascension Medical Group-Southeast Wisconsin Inc Internal Medicine CurrentSince Apr 18, 2024 Accepting new patients
Cole Physician Services LLC Hospitalist CurrentSince May 24, 2016 Accepting new patients
Aspirus Wausau Hospital, Inc. Internal Medicine CurrentSince Aug 31, 2020 Accepting new patients
Gundersen Clinic LTD CurrentSince Mar 9, 2022 Accepting new patients
Saint Luke's Physician Group Inc Internal Medicine CurrentSince Jan 1, 2018 Accepting new patients
Gundersen Lutheran Express Care, Inc CurrentSince Mar 9, 2022 Accepting new patients
Sound Inpatient Physicians-Michigan, PLLC Internal Medicine CurrentSince Nov 1, 2017 Accepting new patients
Ascension Medical Group-Fox Valley Wisconsin, Inc CurrentSince Apr 25, 2024 Accepting new patients
Cogent Healthcare of Missouri, Inc CurrentSince Jan 1, 2022 Accepting new patients
Aspirus Wausau Hospital, Inc. CurrentSince Aug 31, 2020 Accepting new patients
Gundersen Lutheran Medical Center Inc Current Accepting new patients
Sound Physicians of Illinois, LLC Internal Medicine CurrentSince Jun 28, 2017 Accepting new patients
Gundersen Lutheran Medical Center, Inc CurrentSince Mar 9, 2022 Accepting new patients
Ascension Medical Group-Fox Valley Wisconsin, Inc CurrentSince Apr 25, 2024 Accepting new patients

Locations (25 of 28)

29980 Network Pl
Chicago, IL 60673

818 Riverside Ave
Adrian, MI 49221
Phone (517) 263-0711

1521 Gull Rd
Kalamazoo, MI 49048
Phone (269) 226-5165

1 Atkinson Dr
Ludington, MI 49431
Phone (231) 843-2591

580 W College Ave
Marquette, MI 49855
Phone (906) 225-3131

12303 De Paul Dr
Bridgeton, MO 63044
Phone (314) 344-6360

1600 N 2nd St
Clinton, MO 64735
Phone (660) 885-8171

1015 Bowles Ave
Fenton, MO 63026
Phone (636) 496-2000

19600 E 39th St S
Independence, MO 64057
Phone (816) 698-7000

4401 Wornall Rd
Kansas City, MO 64111
Phone (816) 932-2107

5844 NW Barry Rd
Ste 110
Kansas City, MO 64154
Phone (816) 880-6100

301 NE Mulberry St
Ste 202
Lees Summit, MO 64086
Phone (816) 251-5710

100 NE Saint Lukes Blvd
Lees Summit, MO 64086
Phone (816) 347-5097

300 1st Capitol Dr
Saint Charles, MO 63301
Phone (636) 669-2211

5325 Faraon St
Saint Joseph, MO 64506
Phone (816) 271-3500

6420 Clayton Rd
Saint Louis, MO 63117
Phone (314) 768-8442

601 S US Highway 169
Smithville, MO 64089
Phone (816) 532-3999

1501 S Madison St
Appleton, WI 54915
Phone (920) 730-4435

1506 S Oneida St
Appleton, WI 54915
Phone (920) 730-4950

13950 W Capitol Dr
Brookfield, WI 53005
Phone (414) 302-5400

1836 South Ave
La Crosse, WI 54601
Phone (608) 788-8102

1910 South Ave
La Crosse, WI 54601
Phone (608) 775-2287

5000 W Chambers St
Milwaukee, WI 53210
Phone (414) 447-2089

3801 Spring St
Mount Pleasant, WI 53405
Phone (262) 636-4011

1600 Main St
Onalaska, WI 54650
Phone (608) 783-4681

Interoperability endpoints

  • Direct secure messaging: gntuiayuk219743@direct.saint-lukes.org
  • Direct secure messaging: gntuiayuk524588@direct.mmc.mainehealth.org
  • Direct secure messaging: gntuiayuk647708@direct.gundersenhealth.org

Organizations & group practices 16

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.

View all 16

Hospital & facility affiliations 11

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

NPI Registry JSON

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

{
    "created_epoch": "1280707200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780444800000",
    "number": "1760796775",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "525 BRANSON LANDING BLVD.",
            "city": "BRANSON",
            "state": "MO",
            "postal_code": "65616",
            "telephone_number": "417-335-7128",
            "fax_number": "417-335-7588"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "251 SKAGGS RD",
            "city": "BRANSON",
            "state": "MO",
            "postal_code": "656162031",
            "telephone_number": "417-335-7128",
            "fax_number": "417-335-7588"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "525 Branson Landing Blvd Ste 201A",
            "address_purpose": "LOCATION",
            "city": "Branson",
            "state": "MO",
            "postal_code": "656162052",
            "country_code": "US",
            "telephone_number": "417-335-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1101 W Liberty St",
            "address_purpose": "LOCATION",
            "city": "Farmington",
            "state": "MO",
            "postal_code": "636401921",
            "country_code": "US",
            "telephone_number": "573-705-1272",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Biddeford",
            "state": "ME",
            "postal_code": "040059422",
            "country_code": "US",
            "telephone_number": "207-283-7937",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4500 Memorial Dr",
            "address_purpose": "LOCATION",
            "city": "Belleville",
            "state": "IL",
            "postal_code": "622265360",
            "country_code": "US",
            "telephone_number": "618-257-6220",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NTUI-AYUK",
        "first_name": "GEORGE",
        "middle_name": "NTUI",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-08-02",
        "last_updated": "2026-06-03",
        "certification_date": "2026-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MO",
            "license": "2012020695",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "ME",
            "license": "MD25572",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036162483",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2012020695",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1760796775",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "BJC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "4500 Memorial Dr",
            "city": "Belleville",
            "state": "IL",
            "country_code": "US",
            "postal_code": "622265360",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Branson, MO

Sources for this page

Verify at the official NPI Registry.