Mackenzie Belle Day
Internal Medicine Physician · La Grange, KY
Mackenzie Belle Day is an internal medicine physician with a practice address in La Grange, Kentucky, and NPI 1255952875, issued on May 5, 2020. Check the license (Kentucky TP656, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Mackenzie Belle Day
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- TP656 KY
Self-reported in NPPES; status is on the state search - Practice location
- 1019 Commerce Pkwy, La Grange, KY 40031
- Phone
- (502) 225-9098
- Enumerated
- May 5, 2020
- Record last updated
- Oct 3, 2025
- Fax
- (502) 225-9851
- Medicare enrollment
- Enrolled (PECOS I20251015001034); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,526 in Kentucky → Look up another NPI →
Also registered at 1019 Commerce Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emilie HoodNurse Practitioner1770015463
- Ryan Russell, DOFamily Medicine Physician1841751187
Verify Mackenzie Belle Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license TP656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,072 Medicare Part D claims for 110 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Atorvastatin Calcium78 claims
- Amlodipine Besylate53 claims
- Gabapentin37 claims
- Fluticasone Propionate34 claims
- Jardiance33 claims
- Trazodone Hcl33 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Baptist Health Medical Group IncLa Grange, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mackenzie Belle Day among 1,526 internal medicine physician records in Kentucky
Mackenzie Belle Day is one of 1,526 internal medicine physician records with a practice address in Kentucky. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 88% of them.
- NPI issued2020 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2022 · median 2006 among the 1,025 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in La Grange
They are 10 of the 434 NPPES records with a practice address in La Grange, and 1,526 internal medicine physician records in Kentucky.
All 1,526 in Kentucky → Every provider in La Grange → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nikhil Bhatt, MDLa Grange, KY 400311013962562
- Katherine Jett, M.D.La Grange, KY 400311801917570
- Robin Kindig, M.D.La Grange, KY 400311235270448
- William KingLa Grange, KY 400311083296115
- Mary Manley, MDLa Grange, KY 400311942732912
- Michael Norville, DOLa Grange, KY 400311316438112
- Rameshbhai Patel, M.D.La Grange, KY 400311851393961
- Jessica Stumbo, M.D.La Grange, KY 400311144434424
Common questions
What is Mackenzie Belle Day's NPI number?
Mackenzie Belle Day's National Provider Identifier (NPI) is 1255952875, issued on May 5, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mackenzie Belle Day located?
The NPPES record lists a practice address at 1019 Commerce Pkwy, La Grange, KY, 40031. Phone: (502) 225-9098. Providers update this record themselves, so call before visiting.
How can I verify Mackenzie Belle Day's license?
NPPES lists Kentucky license number TP656, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mackenzie Belle Day prescribe under Medicare Part D?
In 2024, Mackenzie Belle Day had 1,072 Medicare Part D claims for 110 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.