Kara Hubert Zirnheld, MD, RD
Internal Medicine Physician · Louisville, KY
Kara Hubert Zirnheld, MD, RD is an internal medicine physician with a practice address in Louisville, Kentucky, and NPI 1528413622, issued on Apr 27, 2016. Check the license (Kentucky 168476, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Kara Hubert Zirnheld
- Credential
- MD, RD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 168476 KY
331703 LA
Self-reported in NPPES; status is on the state search - Practice location
- 550 S. Jackson Street, Louisville, KY 40202
- Phone
- (502) 852-7239
- Enumerated
- Apr 27, 2016
- Record last updated
- Apr 30, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,526 in Kentucky → Look up another NPI →
Also registered at 550 S. Jackson Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kara Hubert Zirnheld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 168476Check 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
53 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of 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.
Kara Hubert Zirnheld among 1,526 internal medicine physician records in Kentucky
Kara Hubert Zirnheld, MD, RD 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 2016, is newer than 75% of them.
- NPI issued2016 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- 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).
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
- David Britt, M.D.Louisville, KY 402021265424824
- Keith Carter, M.D.Louisville, KY 402021134111792
- Barbara Casper, MDLouisville, KY 402021124013776
- Jason Chesney, MDLouisville, KY 402021407837917
- Matthew Fargen, MDLouisville, KY 402021376534719
- Haeshik Gorr, MDLouisville, KY 402021821083478
- Jennifer Koch, MDLouisville, KY 402021134114788
- Rick Lawson, M.D.Louisville, KY 402021689676504
Common questions
What is Kara Hubert Zirnheld, MD, RD's NPI number?
Kara Hubert Zirnheld, MD, RD's National Provider Identifier (NPI) is 1528413622, issued on Apr 27, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Kara Hubert Zirnheld, MD, RD located?
The NPPES record lists a practice address at 550 S. Jackson Street, Louisville, KY, 40202. Phone: (502) 852-7239. Providers update this record themselves, so call before visiting.
How can I verify Kara Hubert Zirnheld, MD, RD's license?
NPPES lists Kentucky license number 168476, 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 Kara Hubert Zirnheld, MD, RD prescribe under Medicare Part D?
In 2024, Kara Hubert Zirnheld, MD, RD had 53 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.