Michael Karpf, MD
Internal Medicine Physician · Lexington, KY
Michael Karpf, MD is an internal medicine physician with a practice address in Lexington, Kentucky, and NPI 1043382930, issued on Nov 15, 2006. Check the license (Kentucky 38639, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Michael Karpf
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 38639 KY
Self-reported in NPPES; status is on the state search - Practice location
- 900 S Limestone St, Lexington, KY 40536
- Phone
- (859) 323-3877
- Enumerated
- Nov 15, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (859) 323-1918
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,526 in Kentucky → Look up another NPI →
Also registered at 900 S Limestone St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kimberly Hardin, APRNAcute Care Nurse Practitioner1386924389
- Kylie HargravePhysician Assistant1083550628
Verify Michael Karpf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 38639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
52 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Michael Karpf among 1,526 internal medicine physician records in Kentucky
Michael Karpf, 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 fileNo · 67% of these records are
- Record last updated2007 · 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).
259 internal medicine physician records list a practice address in Lexington
They are 259 of the 14,031 NPPES records with a practice address in Lexington, and 1,526 internal medicine physician records in Kentucky.
All 1,526 in Kentucky → Every provider in Lexington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Angela Dearinger, MDLexington, KY 405361245244854
- Heidi EhrhardtLexington, KY 405361538126354
- Christopher Feddock, MDLexington, KY 405361831119510
- Jacqueline Fister, MDLexington, KY 405361356380026
- Wendy Garabedian, M.D.Lexington, KY 405361457337347
- Andrew Hoellein, MDLexington, KY 405361891719795
- David Mannino, MDLexington, KY 405361982628889
- Mary Meek, MDLexington, KY 405361629092366
Common questions
What is Michael Karpf, MD's NPI number?
Michael Karpf, MD's National Provider Identifier (NPI) is 1043382930, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Karpf, MD located?
The NPPES record lists a practice address at 900 S Limestone St, Lexington, KY, 40536. Phone: (859) 323-3877. Providers update this record themselves, so call before visiting.
How can I verify Michael Karpf, MD's license?
NPPES lists Kentucky license number 38639, 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 Michael Karpf, MD prescribe under Medicare Part D?
In 2024, Michael Karpf, MD had 52 Medicare Part D claims; 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.