Derek De Mann, DO
NPI 1134681729ActiveIndividual· Urology· Hinsdale, IL
Urology (DO) with Dupage Medical Group Ltd, practicing in Hinsdale, Illinois. 105 Medicare patients in 2024, $21,526 paid; nearly all of their 247 Part D prescriptions were generic (94%). Boston Scientific Corporation was the largest of 11 companies reporting payments in 2025, $486.84 in all, mostly food and beverage. Lists Advocate Good Samaritan Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1134681729 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 2, 2019 |
| Last updated in NPPES | Oct 2, 2024 |
| Certified by provider | Oct 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 036.171470 | 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 - Urology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 105 |
|---|---|
| Services billed | 332 across 46 procedure codes |
| Paid by Medicare | $21,526 |
Part D prescriptions in 2024
| Prescriptions (claims) | 247 · 361 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $13,333 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Urology |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Hospital affiliations
- Advocate Good Samaritan HospitalDowners Grove, IL
- Edward HospitalNaperville, IL
- Elmhurst Memorial HospitalElmhurst, IL
Industry payments (Open Payments)
- 2025$486.84 · 14 payments from 11 companies
- 2024$413.94 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $101.66 | 2 |
| Angiodynamics, Inc. | $98.61 | 1 |
| Urogen Pharma, Inc. | $56.40 | 1 |
| Sumitomo Pharma America, Inc. | $50.11 | 2 |
| Pfizer Inc. | $45.55 | 2 |
What the 2025 payments were for
- Food and Beverage$486.84 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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