Individual provider Active NPI

Mackenzie Belle Day

  • Internal Medicine Physician
  • La Grange, KY
National Provider Identifier
1255952875
Registry record updated Oct 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
TP656 Issued in KY
Practice address
1019 Commerce Pkwy
La Grange, KY 40031-8779
Phone
(502) 225-9098
Fax
(502) 225-9851
NPI assigned
May 5, 2020
Last updated
Oct 3, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 3, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X TP656 KY Primary

Addresses

Primary practice location

1019 Commerce Pkwy
La Grange, KY 40031-8779

Mailing address

1901 Campus PL
Louisville, KY 40299-2308
Phone (502) 253-4924

Other practice location 1

234 Goodman Street, ML 0781
Internal Medicine
Cincinnati, OH 45219
Phone (513) 584-4505

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in KY
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251015001034 KY Practitioner - Internal Medicine 6002297983 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Louisville School of Medicine, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Baptist Health Medical Group IncGroup PAC ID 5597867184, 2,431 clinicians

Practice addresses (Care Compare)

1019 Commerce Pkwy
La Grange, KY 40031-8779
Phone (502) 225-9098

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
TP656KYMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Baptist Health Medical Group Inc Internal Medicine CurrentSince Oct 3, 2025 Accepting new patients
Baptist Health Medical Group Inc CurrentSince Oct 3, 2025 Accepting new patients

Locations

1019 Commerce Pkwy
Lagrange, KY 40031
Phone (502) 225-9098

1901 Campus Pl
Louisville, KY 40299
Phone (502) 253-4911

3900 Kresge Way
Ste 41
Louisville, KY 40207
Phone (502) 896-1313

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

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": "1588636800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759449600000",
    "number": "1255952875",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1901 CAMPUS PL",
            "city": "LOUISVILLE",
            "state": "KY",
            "postal_code": "402992308",
            "telephone_number": "502-253-4924",
            "fax_number": "502-489-5750"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1019 COMMERCE PKWY",
            "city": "LA GRANGE",
            "state": "KY",
            "postal_code": "400318779",
            "telephone_number": "502-225-9098",
            "fax_number": "502-225-9851"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "234 Goodman Street, ML 0781",
            "address_2": "Internal Medicine",
            "address_purpose": "LOCATION",
            "city": "Cincinnati",
            "state": "OH",
            "postal_code": "45219",
            "country_code": "US",
            "telephone_number": "513-584-4505",
            "fax_number": "513-584-0468",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DAY",
        "first_name": "MACKENZIE",
        "middle_name": "BELLE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-05-05",
        "last_updated": "2025-10-03",
        "certification_date": "2025-10-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "KY",
            "license": "TP656",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in La Grange, KY

Sources for this page

Verify at the official NPI Registry.