JEFFREY JOSEPH KROPP (MD) – Nephrology Physician, NPI 1902083538
Nephrology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
629 NEPHROLOGY in IL
Provider Addresses for JEFFREY JOSEPH KROPP (MD)
302 Randall Rd Ste 205
Geneva, IL 601344219
Phone: (630) 690-1220
Fax: (630) 208-1667
Type: Location
120 W 22ND ST STE 200
OAK BROOK, IL 605231563
Phone: (630) 974-5240
Fax: (630) 974-5274
Type: Mailing
West 22nd Street, Oak Brook, DuPage County, Illinois, 60521, United States
S-200
OAK BROOK, IL 605231557
Phone: (630) 974-5240
Fax: (630) 974-5274
Type: Mailing
Northwestern Medicine Central DuPage Hospital, 25, North Winfield Road, Geneva Road, Winfield, DuPage County, Illinois, 60190, United States
SUITE 414
WINFIELD, IL 601901222
Phone: (630) 690-1220
Fax: (630) 690-5323
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 60 Open Payments records for all available years, with a total value of $1,488.
Total Amount is formed as General ($1,488) + Research ($0) + Ownership ($0) = $1,488.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Amgen Inc. ($286).
Total Amount
$1,488
General + Research + Ownership
Payments
60
Total payment records
General Amount
$1,488
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-07-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080701000351 | I | Nephrology | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| Q5106 | Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units | 1,401 | 11 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 821 | 111 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 765 | 215 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 504 | 140 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 281 | 226 | $0 |
Insurance plans in this area (ZIP 60134)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | IL | |
| Nephrology, Internal Medicine | IL | |
| Nephrology, Internal Medicine | IL | |
| - | IN | |
| N E P H R O L O G Y | IL | |
| N E P H R O L O G Y | IL | |
| Nephrology, Internal Medicine | IL | |
| N E P H R O L O G Y | IL | |
| N E P H R O L O G Y | IL | |
| - | IL |
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