Alden Klarer
Radiation Oncology Physician · Louisville, KY
Alden Klarer is a radiation oncology physician with a practice address in Louisville, Kentucky, and NPI 1104211341, issued on Apr 4, 2015. Check the license (Kentucky TP565, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Alden Klarer
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- TP565 KY
R3825 KY
Self-reported in NPPES; status is on the state search - Practice location
- 529 South Jackson, Louisville, KY 40202
- Phone
- (502) 561-2700
- Enumerated
- Apr 4, 2015
- Record last updated
- Oct 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201013003082); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 2015
- Entity
- Type 1 · individual
Verify Alden Klarer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license TP565Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average radiation oncology physician in 2024
63 Medicare Part D claims for 40 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Mometasone Furoate28 claims
- Dexamethasone11 claims
- Pantoprazole Sodium11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $974.22
45 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Louisville Physicians IncLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Radiation Oncology Physician providers in Kentucky
There are 88 radiation oncology physician records in Kentucky.
Other radiation oncology physician records in Kentucky
- Ryan Abel, MDOwensboro, KY1437385770
- Basel Altoos, M.D.Louisville, KY1669851424
- Falguni Amin-Zimmerman, M.D.Lexington, KY1285626283
- Evans AmoahBowling Green, KY1043772445
- Justin Anderson, MDLouisville, KY1700381548
- Alan Beckman, M.D.Lexington, KY1851390355
- Mark Bernard, M.D.Lexington, KY1932468246
- Nicolas Burnett, M.D.Lexington, KY1417342999
- Gregory Carlsen, MDDanville, KY1306831516
- Lauren Castellini, M.D.Edgewood, KY1538306337
Common questions
What is Alden Klarer's NPI number?
Alden Klarer's National Provider Identifier (NPI) is 1104211341, issued on Apr 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Alden Klarer located?
The NPPES record lists a practice address at 529 South Jackson, Louisville, KY, 40202. Phone: (502) 561-2700. Providers update this record themselves, so call before visiting.
How can I verify Alden Klarer's license?
NPPES lists Kentucky license number TP565, 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 Alden Klarer prescribe under Medicare Part D?
In 2024, Alden Klarer had 63 Medicare Part D claims for 40 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Alden Klarer's MIPS final score?
The 2023 MIPS final score is 73.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.