Doctor profile · Federal record
Dr. Regan Seipp, M.D.
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Winfield, IL
- NPI 1306256284
- Accepts Medicare
- 12 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
25 N Winfield RD Ste 405
Winfield, IL 601901379
(630) 873-8889
fax (630) 456-7138 - Additional location
-
100 Spalding Dr Ste 202
Naperville, IL 605406552 - Mailing address
-
Po Box 713260
Chicago, IL 606771260
Credentials & registration
- NPI registered
- May 2014 — 12 yrs on file
- Profile last updated
- August 18, 2023
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- Illinois #036148873 · Arizona #50892
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306256284. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,383
Distinct HCPCS
10
Medicare allowed
$198,902
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 488 | 238 | $8 | |
80069 |
Kidney function blood test panel | 472 | 237 | $8 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 461 | 162 | $123 | |
82570 |
Creatinine level to test for kidney function or muscle injury | 420 | 219 | $5 | |
84156 |
Total protein level, urine | 329 | 215 | $4 | |
82043 |
Urine microalbumin (protein) level | 319 | 209 | $6 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 312 | 200 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 289 | 211 | $132 | |
83970 |
Parathormone (parathyroid hormone) level | 217 | 174 | $40 | |
82610 |
Cystatin c (enzyme inhibitor) level | 203 | 141 | $18 |
In context: peer comparison
Among 5 peers in Winfield Nephrology Physician, average services per provider: 181. This provider delivers 24× the peer median.Open Payments
Industry payments received
All-time total
$862
Transactions
29
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 7 | $232.76 | |
| Travere Therapeutics, INC. | 4 | $207.06 | |
| Vifor Pharma, INC. | 6 | $157.52 | |
| Otsuka America Pharmaceutical, INC. | 5 | $106.71 | |
| Ardelyx, INC. | 3 | $68.42 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $48.58 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $22.69 | |
| Otsuka Pharmaceutical Development & Commercialization, INC. | 1 | $18.41 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,227
Patients
371
Total drug cost
$237,414
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Torsemide | Generic | 209 | 64 | $4,767 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 160 | 40 | $153,569 |
| Losartan Potassium | Generic | 155 | 50 | $2,731 |
| Lisinopril | Generic | 114 | 39 | $1,248 |
| Furosemide | Generic | 112 | 43 | $1,050 |
| Amlodipine Besylate | Generic | 98 | 36 | $1,073 |
| Veltassa (Patiromer Calcium Sorbitex) | Brand | 64 | 18 | $62,240 |
| Calcitriol | Generic | 59 | 20 | $1,504 |
| Spironolactone | Generic | 57 | 20 | $740 |
| Hydrochlorothiazide | Generic | 42 | 16 | $205 |
Hospital affiliations
Frequently asked questions
What is Dr. Regan Seipp's medical specialty?
Dr. Regan Seipp practices Nephrology Physician in Winfield, IL.
Where does Dr. Regan Seipp practice?
Dr. Regan Seipp practices at 25 N Winfield RD Ste 405, Winfield, IL 601901379. Office phone: 6308738889.
What is Dr. Regan Seipp's NPI?
Dr. Regan Seipp's National Provider Identifier (NPI) is 1306256284, issued by NPPES.
Does Dr. Regan Seipp accept Medicare assignment?
Yes. Dr. Regan Seipp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Regan Seipp commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Kidney function blood test panel (HCPCS 80069); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.