Jeffrey Joseph Kropp, MD
Nephrology Physician · Winfield, IL
Jeffrey Joseph Kropp, MD is a nephrology physician with a practice address in Winfield, Illinois, and NPI 1902083538, issued on Jan 25, 2008. Check the license (Illinois 036119628, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Joseph Kropp
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 036119628 IL
Self-reported in NPPES; status is on the state search - Practice location
- 25 N Winfield RD, Winfield, IL 60190
- Phone
- (630) 690-1220
- Enumerated
- Jan 25, 2008
- Record last updated
- Apr 29, 2025
- Fax
- (630) 690-5323
- Medicare enrollment
- Enrolled (PECOS I20080701000351); may accept Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 572 in Illinois → Look up another NPI →
Also registered at 25 N Winfield RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jeffrey Joseph Kropp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036119628Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average nephrology physician in 2024
1,684 Medicare Part D claims for 336 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate184 claims
- Olmesartan Medoxomil111 claims
- Chlorthalidone90 claims
- Bumetanide84 claims
- Lisinopril78 claims
- Hydralazine Hcl77 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.
Industry payments in 2024: $659.53
28 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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 2 group practices
- Nani-Ihp LLCElmhurst, IL
- Nephrology Associates OF Northern Illinois LtdWinfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Joseph Kropp among 572 nephrology physician records in Illinois
Jeffrey Joseph Kropp, MD is one of 572 nephrology physician records with a practice address in Illinois. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 36% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2003 · median 2002 among the 433 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 nephrology physician records list a practice address in Winfield
They are 8 of the 778 NPPES records with a practice address in Winfield, and 572 nephrology physician records in Illinois.
All 572 in Illinois → Every provider in Winfield → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Ernest Dejesus, MDWinfield, IL 601901295737088
- Kristie Delaney, M.D.Winfield, IL 601901295026441
- Steven Heidt, MDWinfield, IL 601901891317616
- Gregory Kozeny, MDWinfield, IL 601901861499550
- Ankit Rawal, D.O.Winfield, IL 601901891074555
- Kelly Schlotman, MDWinfield, IL 601901780175828
- Regan Seipp, M.D.Winfield, IL 601901306256284
- Jyoti Eknoor Brar, M.B.B.S.Evanston, IL 602011609193028
Common questions
What is Jeffrey Joseph Kropp, MD's NPI number?
Jeffrey Joseph Kropp, MD's National Provider Identifier (NPI) is 1902083538, issued on Jan 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Joseph Kropp, MD located?
The NPPES record lists a practice address at 25 N Winfield RD, Winfield, IL, 60190. Phone: (630) 690-1220. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Joseph Kropp, MD's license?
NPPES lists Illinois license number 036119628, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jeffrey Joseph Kropp, MD prescribe under Medicare Part D?
In 2024, Jeffrey Joseph Kropp, MD had 1,684 Medicare Part D claims for 336 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.