Janet Leon, M.D.
Rheumatology Physician · Louisville, KY
Janet Leon, M.D. is a rheumatology physician with a practice address in Louisville, Kentucky, and NPI 1962504613, issued on Sep 2, 2006. Check the license (Kentucky 49581, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Janet Leon
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 49581 KY
TP292 KY
36116669 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3430 Newburg RD, Louisville, KY 40218
- Phone
- (502) 893-3963
- Enumerated
- Sep 2, 2006
- Record last updated
- Sep 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (502) 897-1792
- Medicare enrollment
- Enrolled (PECOS I20160906001209); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 88 in Kentucky → Look up another NPI →
Also registered at 3430 Newburg RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Walter App, M.D.Pulmonary Disease Physician1932295607
- Keith Banta, LCSWMental Health Counselor1861547218
- Kevin Bays, M.D.Psychiatry Physician1386695831
- Walter Butler, M.D.Specialist1871603886
- Gerald Chambers, PH.D.Clinical Psychologist1639277932
- Gary Crump, M.D.Rheumatology Physician1285709386
Verify Janet Leon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 49581Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average rheumatology physician in 2024
3,109 Medicare Part D claims for 574 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone565 claims
- Methotrexate480 claims
- Hydroxychloroquine Sulfate404 claims
- Celecoxib161 claims
- Leflunomide160 claims
- Allopurinol103 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): 79.3 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: $3,128.77
153 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- Rheumatology Associates, PLLCLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janet Leon among 88 rheumatology physician records in Kentucky
Janet Leon, M.D. is one of 88 rheumatology physician records with a practice address in Kentucky. 92% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 64% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2002 · median 2006 among the 71 with a school on file
- Record last updated2016 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Kentucky
There are 88 rheumatology physician records in Kentucky.
All 88 in Kentucky → Every provider in Louisville → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Benjamin Boone, M.D.Louisville, KY 402181366974826
- Gary Crump, M.D.Louisville, KY 402181285709386
- Paul Schneider, M.D.Louisville, KY 402181235204330
- Jacquelyn Smith, M.D.Louisville, KY 402181154769131
- Mohamed Jalloh, MDLouisville, KY 402201972008167
- Simranjit Kaur, M.B.B.S.Louisville, KY 402201912520610
- Tristan Blackburn, M.D.Louisville, KY 402071417176249
- Angelo Ciliberti, MDLouisville, KY 402071811428964
Common questions
What is Janet Leon, M.D.'s NPI number?
Janet Leon, M.D.'s National Provider Identifier (NPI) is 1962504613, issued on Sep 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janet Leon, M.D. located?
The NPPES record lists a practice address at 3430 Newburg RD, Louisville, KY, 40218. Phone: (502) 893-3963. Providers update this record themselves, so call before visiting.
How can I verify Janet Leon, M.D.'s license?
NPPES lists Kentucky license number 49581, 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 Janet Leon, M.D. prescribe under Medicare Part D?
In 2024, Janet Leon, M.D. had 3,109 Medicare Part D claims for 574 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Janet Leon, M.D.'s MIPS final score?
The 2023 MIPS final score is 79.3 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.