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MACKENZIE BELLE DAY
NPI 1255952875
Internal Medicine in La Grange, KY

Active since May 05, 2020PECOS EnrolledAccepts Medicare Assignment
1019 COMMERCE PKWY, LA GRANGE, KY 40031(502) 225-9098(502) 225-9851 Get Directions Write a Review

NPPES record last updated: October 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mackenzie Belle Day NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MACKENZIE BELLE DAY (NPI 1255952875) is an individual internal medicine provider in La Grange, Kentucky, licensed in Kentucky (TP656) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with Baptist Health Louisville, and maintains a secondary practice location in Cincinnati.

NPPES Registry Identity

NPI1255952875
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMACKENZIE BELLE DAY
Location Address1019 COMMERCE PKWYLa Grange, KY 40031-8779
Mailing Address1901 Campus PlLouisville, KY 40299-2308 · (502) 253-4924 · Fax (502) 489-5750
Phone(502) 225-9098
Fax(502) 225-9851
Sole ProprietorNo
Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2022
Enumeration DateMay 5, 2020
Last NPPES UpdateOctober 3, 2025
NPPES CertifiedOctober 3, 2025
✔ NPI 1255952875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in KY · TP656
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1019 COMMERCE PKWY, La Grange, KY 40031
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Secondary Practice Location 1

Location 1234 Goodman Street, ML 0781, Internal MedicineCincinnati, OH 45219 · Phone (513) 584-4505 · Fax (513) 584-0468

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mackenzie Belle Day is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6002297983
PECOS Enrollment IDI20251015001034
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baptist Health Louisville

Acute Care Hospitals · Louisville, KY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180130
Location4000 Kresge WayLouisville, KY 40207 · Jefferson County
Emergency services Birthing friendly

Baptist Health Lagrange

Acute Care Hospitals · La Grange, KY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180138
Location1025 New Moody LaneLa Grange, KY 40031 · Oldham County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.77 typical visit price
range $52.76 – $162.27
Typical copayment $30.69 (range $13.19 – $40.56)
Most-billed visit code 99204
Established Patient
$93.94 typical visit price
range $16.53 – $131.99
Typical copayment $23.48 (range $4.13 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KENTUCKIANA FOOT AND ANKLE, PLLC
Durable Medical Equipment & Medical Supplies
1019 COMMERCE PKWY
LA GRANGE, KY 40031
Oldham County (844) 692-3338
SIRAJ SIDDIQI M.D PLLC
Internal Medicine
1019 COMMERCE PKWY
LAGRANGE, KY 40031
Oldham County (502) 225-9098
EMILIE HOOD
Nurse Practitioner
1019 COMMERCE PKWY
LA GRANGE, KY 40031
Oldham County (502) 225-9098
RYAN RUSSELL DO
Family Medicine
1019 COMMERCE PKWY
LA GRANGE, KY 40031
Oldham County (502) 225-9098

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mackenzie Day's NPI number?

The NPI number for Mackenzie Day is 1255952875. It was assigned to this individual provider in the NPPES registry on May 5, 2020.

Where is Mackenzie Day located?

Mackenzie Day practices at 1019 Commerce Pkwy, La Grange, KY 40031. The listed phone number is (502) 225-9098.

What is Mackenzie Day's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mackenzie Day enrolled in Medicare?

Yes. Mackenzie Day is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Mackenzie Day affiliated with any hospitals?

According to CMS data, Mackenzie Day is affiliated with Baptist Health Louisville and Baptist Health Lagrange.

When was this NPI record last updated?

The NPPES record for Mackenzie Day was last updated on October 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.