Dr. Jeffrey Joseph Kropp, MD

  • Winfield, IL
  • Nephrologist
NPI1902083538PAC ID3274605548
Medicare services, 2024
4,432
Medicare patients, 2024
762
Part D claims, 2024
1,684
Hospital affiliations
6
Industry payments
$6,008
Practice address
25 North Winfield Road, Winfield, IL 60190
Practice phone
Call (630) 682-1600
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Northwestern Medicine Central DuPage Hospital

Hospital · Winfield, Illinois

See all 14 affiliations

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Dr. Jeffrey Joseph Kropp is a nephrologist in Winfield, Illinois

Dr. Kropp practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.

Dr. Kropp's NPI, 1902083538, was assigned on January 25, 2008. Dr. Kropp graduated from Rush Medical College of Rush University in 2003. Dr. Kropp holds Illinois license 036119628.

NPI and contact details
Medicare PAC ID
3274605548
NPI enumeration date
January 25, 2008
NPI status
Active
Offers telehealth
Yes
Practice phone
(630) 682-1600
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jeffrey Joseph Kropp practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois

Dr. Kropp's primary practice is Northwestern Medicine Central DuPage Hospital, at 25 North Winfield Road, Winfield, IL 60190 in Du Page County. The practice phone is (630) 682-1600.

Source: Dmand AI Affiliation Data

Dr. Jeffrey Joseph Kropp is affiliated with 12 sites of care and 2 medical groups

Dr. Kropp's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dr. Kropp is also affiliated with Northwestern Memorial Hospital. The medical group on file is Nephrology Associates of Northern Illinois and Indiana (NANI). Dmand AI also links Dr. Kropp to 4 more hospitals, 4 dialysis centers, 1 breast imaging center, 1 clinical lab and 1 medical group, each named with a free account.

See all 14 affiliations for Dr. Kropp

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jeffrey Joseph Kropp's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kropp practices, 12 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwestern Medicine Central DuPage HospitalAvailable with a free account
+11 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jeffrey Joseph Kropp is one of 534 nephrologists in Illinois

Nephrology is Dr. Kropp's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Kropp is licensed in Illinois.

Specialties and state licenses

  • Nephrology, IllinoisPrimaryLicense 036119628 · taxonomy 207RN0300X

Nephrologists near Dr. Kropp

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Jeffrey Joseph Kropp billed Medicare for 4,432 services in 2024

CMS data shows 4,432 Medicare services from Dr. Kropp across 16 procedure codes in 2024, for 762 Medicare patients. Medicare paid $275,380 for them.

Medicare services, 20244,432
Medicare patients762
Paid by Medicare$275,380
Procedure codes16

Dr. Kropp's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3,0882024: 2,8737%
Other services
2023: 1,4012024: 1,2828%
Tests and treatments
2023: 2852024: 2773%

Where Dr. Kropp's Medicare services took place, 2024

  • In an office2,56058%
  • In a facility1,87242%

Dr. Kropp compared with the Illinois median for nephrologists, 2024

  • Dr. Kropp
  • Illinois median
Medicare services
4,432vs 1,2843.5 times
Medicare patients
762vs 3572.1 times
Part D claims
1,418vs 5782.5 times

Medians across 526 nephrologists in Illinois with Dmand AI profiles that report each measure.

Dr. Kropp's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Kropp

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Jeffrey Joseph Kropp treated 762 Medicare patients in 2024, average age 76

CMS counts 762 Medicare patients who saw Dr. Kropp in 2024. The largest group is 75 to 84, with 292 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 18% are also on Medicaid. Their average risk score is 3.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Kropp's median patient age at 71, with 40% women.

Medicare patients, 2024762
Average age76
Average risk score3.53
Also on Medicaid18%

Dr. Kropp's Medicare patients by age, 2024

Dr. Kropp's Medicare patients by sex, 2024

  • Women33244%
  • Men43056%

Chronic conditions among Dr. Kropp's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes60%
  5. Arthritis56%
  6. Heart failure54%
  7. Ischemic heart disease52%
  8. Atrial fibrillation38%

Share of Medicare patients with each condition. A patient can have several.

Dr. Kropp's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women40%
  • Men59%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Jeffrey Joseph Kropp wrote 1,684 Medicare Part D claims in 2024

In 2024, Dr. Kropp wrote 1,684 Medicare Part D claims for 336 patients. 90% of them were for generic drugs. CMS names the drug for 1,418 of them, across 30 drugs with 11 or more claims each, at $160,728 in total drug cost. In 2023, CMS named 1,202 claims across 33 drugs.

Part D claims, 20241,684
Drugs named by CMS30
Total drug cost$160,728
Part D patients336

Dr. Kropp's Part D claims by kind of drug, 2024

  • Generic1,520 claims90%
  • Brand-name and other164 claims10%

Dr. Kropp's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Kropp's Part D claims, 2024

  • Antibiotics1%23 of 1,684 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,2022024: 1,41818%

Drugs named by CMS: 30 in 2024, 33 in 2023.

See all prescribing by Dr. Kropp

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Jeffrey Joseph Kropp offers telehealth to Medicare patients

CMS lists Dr. Kropp as offering telehealth.

Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Jeffrey Joseph Kropp received $6,008 in industry payments from 2016 to 2025

CMS Open Payments shows 280 general payments to Dr. Kropp from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Relypsa, Inc. paid the most, $1,240.

General payments to Dr. Kropp by program year, 2016 to 2025

General payments to Dr. Kropp by kind, 2016 to 2025

$6Kin total
  • Food and beverage$5,85397%
  • Education$1543%

Companies that paid Dr. Kropp the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Kropp

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Jeffrey Joseph Kropp graduated from Rush Medical College of Rush University

Dr. Kropp graduated from Rush Medical College of Rush University in 2003.

  1. Medical schoolRush Medical College of Rush University

Source: Dmand AI Professional Profile Data

Sources for Dr. Jeffrey Joseph Kropp's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Jeffrey Joseph Kropp

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Jeffrey Joseph Kropp's NPI number?

Dr. Jeffrey Joseph Kropp's NPI number is 1902083538. It was assigned on January 25, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Jeffrey Joseph Kropp?

Dr. Jeffrey Joseph Kropp is a nephrologist in Winfield, Illinois. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Jeffrey Joseph Kropp practice?

Dr. Kropp practices at 25 North Winfield Road, Winfield, IL 60190. Dr. Kropp's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Kropp to 4 hospitals, 4 dialysis centers, 1 breast imaging center, 1 clinical lab and 1 medical group.

What is Dr. Jeffrey Joseph Kropp's office phone number?

The practice phone on file for Dr. Kropp is (630) 682-1600.

What is Dr. Jeffrey Joseph Kropp's medical license number?

Dr. Kropp holds Illinois license 036119628.

Which hospitals is Dr. Jeffrey Joseph Kropp affiliated with?

Dr. Kropp practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois. Dr. Kropp is also affiliated with Northwestern Memorial Hospital. Dmand AI links Dr. Kropp to 4 more hospitals.

What medical group is Dr. Jeffrey Joseph Kropp part of?

Dr. Kropp is linked to Nephrology Associates of Northern Illinois and Indiana (NANI). Dmand AI links Dr. Kropp to 1 more medical group.

Does Dr. Jeffrey Joseph Kropp accept Medicare?

Yes. CMS data shows Dr. Kropp billed Medicare for 4,432 services in 2024.

Does Dr. Jeffrey Joseph Kropp offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Kropp as offering telehealth services.

How many Medicare patients does Dr. Jeffrey Joseph Kropp see?

CMS counts 762 Medicare patients who saw Dr. Kropp in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. Jeffrey Joseph Kropp bill to Medicare?

In 2024, Dr. Kropp's most billed Medicare services were medicare temporary code (Q5106), hospital inpatient care (99232) and hospital inpatient care (99233).

Where did Dr. Jeffrey Joseph Kropp go to medical school?

Dr. Kropp graduated from Rush Medical College of Rush University in 2003.

What drugs does Dr. Jeffrey Joseph Kropp prescribe most?

In 2024 Medicare Part D data, Dr. Kropp's most prescribed drugs by claims were Amlodipine Besylate, Olmesartan Medoxomil and Chlorthalidone.

Has Dr. Jeffrey Joseph Kropp received payments from drug or device companies?

CMS Open Payments shows $6,008 in general payments to Dr. Kropp from 38 companies from 2016 to 2025. The largest total came from Relypsa, Inc.

How long has Dr. Jeffrey Joseph Kropp been practicing?

Dr. Kropp graduated from medical school in 2003, 23 years ago.

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