Doctor profile · Federal record
Dr. Jeffrey Kropp, MD
Nephrology Physician (CMS: Nephrology) · Winfield, IL
- NPI 1902083538
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
25 N Winfield RD, Suite 414
Winfield, IL 601901222
(630) 690-1220
fax (630) 690-5323 - Additional location
-
302 Randall RD Ste 205
Geneva, IL 601344219
fax (630) 208-1667 - Mailing address
-
120 W 22Nd St Ste 200
Oak Brook, IL 605231563
Credentials & registration
- NPI registered
- January 2008 — 18 yrs on file
- Profile last updated
- April 29, 2025
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Illinois #036119628
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902083538. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,774
Distinct HCPCS
10
Medicare allowed
$370,092
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q5106 |
Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units | 1,401 | 11 | $7 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 821 | 111 | $58 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 765 | 215 | $81 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 504 | 140 | $123 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 281 | 226 | $81 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 231 | 37 | $362 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 180 | 75 | $51 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 147 | 114 | $97 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 136 | 121 | $179 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 129 | 106 | $134 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 181. This provider delivers 26× the peer median.Open Payments
Industry payments received
All-time total
$660
Transactions
28
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 6 | $157.66 | |
| AstraZeneca Pharmaceuticals LP | 4 | $89.46 | |
| Novartis Pharmaceuticals Corporation | 3 | $74.22 | |
| Vifor Pharma, Inc. | 3 | $69.56 | |
| Otsuka America Pharmaceutical, Inc. | 2 | $53.35 | |
| Ardelyx, Inc. | 2 | $34.85 | |
| NXSTAGE MEDICAL, INC. | 1 | $34.59 | |
| Lilly USA, LLC | 1 | $28.61 | |
| Fresenius USA Marketing, Inc. | 1 | $28.12 | |
| Bayer Healthcare Pharmaceuticals Inc. | 1 | $22.59 | |
| CALLIDITAS THERAPEUTICS US INC. | 1 | $19.97 | |
| Alexion Pharmaceuticals, Inc. | 1 | $16.14 | |
| Veloxis Pharmaceuticals, Inc. | 1 | $16.09 | |
| CorMedix Inc. | 1 | $14.32 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
895
Patients
338
Total drug cost
$23,592
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 180 | 68 | $2,586 |
| Lisinopril | Generic | 89 | 36 | $939 |
| Hydralazine Hcl | Generic | 75 | 29 | $2,868 |
| Olmesartan Medoxomil | Generic | 65 | 25 | $2,578 |
| Chlorthalidone | Generic | 61 | 24 | $1,652 |
| Bumetanide | Generic | 57 | 26 | $6,148 |
| Furosemide | Generic | 55 | 26 | $727 |
| Spironolactone | Generic | 46 | 21 | $640 |
| Metoprolol Succinate | Generic | 43 | 16 | $1,653 |
| Potassium Chloride | Generic | 43 | 17 | $1,228 |
Hospital affiliations
Frequently asked questions
What is Dr. Jeffrey Kropp's medical specialty?
Dr. Jeffrey Kropp practices Nephrology Physician in Winfield, IL.
Where does Dr. Jeffrey Kropp practice?
Dr. Jeffrey Kropp practices at 25 N Winfield RD, Winfield, IL 601901222. Office phone: 6306901220.
What is Dr. Jeffrey Kropp's NPI?
Dr. Jeffrey Kropp's National Provider Identifier (NPI) is 1902083538, issued by NPPES.
Does Dr. Jeffrey Kropp accept Medicare assignment?
Dr. Jeffrey Kropp does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Jeffrey Kropp commonly perform?
Top Medicare-reported procedures in 2023: Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (HCPCS Q5106); Chronic care management services (HCPCS 99490); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.