Charles E. Hornaday, MD
Internal Medicine Physician · Louisville, KY
Charles E. Hornaday, MD is an internal medicine physician with a practice address in Louisville, Kentucky, and NPI 1083628705, issued on Jul 28, 2006. Check the license (Kentucky 22650, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Charles E. Hornaday
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 22650 KY
Self-reported in NPPES; status is on the state search - Practice location
- 4000 Kresge Way, Louisville, KY 40207
- Phone
- (508) 897-1121
- Enumerated
- Jul 28, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (502) 897-1189
- Medicaid ID
- 64226509 KY
- Medicare enrollment
- Enrolled (PECOS I20100308000551); may accept Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,526 in Kentucky → Look up another NPI →
Also registered at 4000 Kresge Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Biddle, MDEmergency Medicine Physician1538263017
Verify Charles E. Hornaday in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 22650Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average internal medicine physician in 2024
3,510 Medicare Part D claims for 297 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 Calcium308 claims
- Amlodipine Besylate244 claims
- Levothyroxine Sodium194 claims
- Metoprolol Succinate185 claims
- Simvastatin150 claims
- Losartan Potassium108 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
- Drs Hornaday, Costel, And Bryant, PLLCLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles E. Hornaday among 1,526 internal medicine physician records in Kentucky
Charles E. Hornaday, MD 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 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1980 · median 2006 among the 1,025 with a school on file
- Record last updated2023 · 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).
457 internal medicine physician records list a practice address in Louisville
They are 457 of the 21,891 NPPES records with a practice address in Louisville, and 1,526 internal medicine physician records in Kentucky.
All 1,526 in Kentucky → Every provider in Louisville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Zhalet Baharestan, D.O.Louisville, KY 402071962489559
- Arthur Blanford, M.D.Louisville, KY 402071427042621
- Henry Byrum, MDLouisville, KY 402071447215181
- Joseph Cecil, M.D.Louisville, KY 402071285616730
- Michael Dee, MDLouisville, KY 402071114911005
- Juliana Hayden, M.D.Louisville, KY 402071639134331
- Mary Lewis, M.D.Louisville, KY 402071467434365
- Svitlana Mandzy, M.D.Louisville, KY 402071750375861
Common questions
What is Charles E. Hornaday, MD's NPI number?
Charles E. Hornaday, MD's National Provider Identifier (NPI) is 1083628705, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles E. Hornaday, MD located?
The NPPES record lists a practice address at 4000 Kresge Way, Louisville, KY, 40207. Phone: (508) 897-1121. Providers update this record themselves, so call before visiting.
How can I verify Charles E. Hornaday, MD's license?
NPPES lists Kentucky license number 22650, 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 Charles E. Hornaday, MD prescribe under Medicare Part D?
In 2024, Charles E. Hornaday, MD had 3,510 Medicare Part D claims for 297 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.