Dr. Regan Seipp, M.D.
What this data tells you about Dr. Seipp
Dr. Regan Seipp is an internal medicine specialist in Winfield, IL, with 12 years of NPI registration. Based on federal Medicare data, Dr. Seipp performed 4,383 Medicare services across 2,667 unique beneficiaries.
Between the years covered by Open Payments, Dr. Seipp received a total of $2,363 from 15 pharmaceutical and/or device companies across 88 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in internal medicine. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Seipp is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
488 | $8 | $20 |
| Kidney function blood test panel | 472 | $8 | $45 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
461 | $98 | $218 |
| Creatinine test (kidney function) A blood test that measures the amount of creatinine to assess kidney function or detect muscle injury. |
420 | $5 | $27 |
| Urine total protein level A laboratory test that measures the total amount of protein present in a urine sample. |
329 | $4 | $20 |
| Urine microalbumin test (kidney screening) A laboratory test that measures the amount of microalbumin, a small protein, in a urine sample. This test is used to detect early signs of kidney damage. |
319 | $6 | $30 |
| Complete blood count (CBC) with differential An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood, including a breakdown of the different types of white blood cells. |
312 | $8 | $40 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
289 | $92 | $229 |
| Parathyroid hormone level test A blood test that measures the amount of parathyroid hormone in your body. This hormone helps regulate calcium levels in the blood and bones. |
217 | $40 | $212 |
| Cystatin C level test A blood test that measures the level of cystatin C, a protein produced by cells in the body. This measurement is used to help assess kidney function. |
203 | $18 | $70 |
| Vitamin D level test A blood test to measure the amount of Vitamin D-3 in your body. |
174 | $29 | $152 |
| Ferritin level test (iron stores) A blood test that measures the level of ferritin, a protein that stores iron in the body. |
117 | $13 | $70 |
| Iron level test | 117 | $6 | $33 |
| Iron binding capacity test A blood test that measures the amount of iron in the blood and the blood's ability to bind and transport iron. |
117 | $9 | $45 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
96 | $141 | $431 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
78 | $139 | $307 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
47 | $106 | $359 |
| Dialysis services for patients 20 or older Dialysis treatment provided to patients aged 20 years or older, involving four or more physician visits per month. |
40 | $288 | $1,064 |
| Phosphate level test A blood test that measures the amount of phosphate in your body. Phosphate is a mineral that helps keep bones and teeth strong. |
36 | $5 | $25 |
| Dialysis services for adults, 2-3 visits per month This code covers dialysis services for patients aged 20 or older who have 2 to 3 physician visits per month. |
31 | $240 | $895 |
| Monthly dialysis physician visit A monthly doctor's visit for patients aged 20 or older who are receiving dialysis treatment. |
20 | $165 | $689 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2019-2024) ›
Associated products mentioned in payments ›
Most payments (90%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Seipp is a mixed practice specialist, with above-average Medicare volume (top 5% in IL), with low-engagement industry engagement in the top 20% of IL peers.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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