James Duffy, MD
Student in an Organized Health Care Education/Training Program · Louisville, KY
James Duffy, MD is a student in an organized health care education/training program with a practice address in Louisville, Kentucky, and NPI 1285375782, issued on Apr 6, 2022. Check the license with the Kentucky board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Duffy
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 529 S Jackson St, Louisville, KY 40202
- Phone
- (502) 561-7268
- Enumerated
- Apr 6, 2022
- Record last updated
- Apr 6, 2022
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 3,596 in Kentucky → Look up another NPI →
Also registered at 529 S Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Kentucky board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
28 Medicare Part D claims for 19 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 13 claims were for opioids.
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.
Industry payments in 2024: $245.38
3 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 13,278 providers of this specialty with any payment received $608.08 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.
James Duffy among 3,596 student in an organized health care education/training program records in Kentucky
James Duffy, MD is one of 3,596 student in an organized health care education/training program records with a practice address in Kentucky. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 20% of them.
- NPI issued2022 · 20% of these records are older, 72% newer
- In a Medicare fileYes · 13% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2022 · 17% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,816 student in an organized health care education/training program records list a practice address in Louisville
They are 1,816 of the 21,891 NPPES records with a practice address in Louisville, and 3,596 student in an organized health care education/training program records in Kentucky.
All 3,596 in Kentucky → Every provider in Louisville → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Melissa Arabadjief, MDLouisville, KY 402021104031434
- Peter Axelsson, MDLouisville, KY 402021740470269
- Juan Breyer, MDLouisville, KY 402021528258050
- Luis Castellanos, MDLouisville, KY 402021508996620
- Yousheng Fang, MDLouisville, KY 402021861522906
- Ahmad Kaddourah, M.D.Louisville, KY 402021508057266
- Martins Kapickis, MDLouisville, KY 402021447380431
- Michael McCleave, MDLouisville, KY 402021215127741
Common questions
What is James Duffy, MD's NPI number?
James Duffy, MD's National Provider Identifier (NPI) is 1285375782, issued on Apr 6, 2022. An NPI identifies a provider in billing; it is not a license.
Where is James Duffy, MD located?
The NPPES record lists a practice address at 529 S Jackson St, Louisville, KY, 40202. Phone: (502) 561-7268. Providers update this record themselves, so call before visiting.
How can I verify James Duffy, MD's license?
Search the Kentucky board that licenses this profession; the NPPES record confirms identity only.
How much does James Duffy, MD prescribe under Medicare Part D?
In 2024, James Duffy, MD had 28 Medicare Part D claims for 19 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.