Steven J. Bielski, M.D.
NPI 1144227570ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Geneva, IL
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Geneva, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $3,036,348 for 7,355 claims, against $216,261 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $617.32 in all, mostly food and beverage.
Overview
| NPI | 1144227570 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2005 |
| Last updated in NPPES | Apr 9, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 036075882 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 715 |
|---|---|
| Services billed | 7,129 across 24 procedure codes |
| Paid by Medicare | $216,261 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,355 · 17,854 30-day fills |
|---|---|
| Patients | 961 |
| Total drug cost | $3,036,348 |
| Generic share | 31% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
- Northwestern Medicine McHenryMcHenry, IL
- Valley West Community HospitalSandwich, IL
Industry payments (Open Payments)
- 2025$617.32 · 6 payments from 3 companies
- 2024$577.94 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $293.06 | 3 |
| Lilly USA, LLC | $181.91 | 2 |
| Amgen Inc. | $142.35 | 1 |
What the 2025 payments were for
- Food and Beverage$617.32 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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