Joseph J. Donzelli, M.D.
NPI 1508938952ActiveIndividual· Otolaryngology· Naperville, IL
Otolaryngology (M.D.) in Naperville, Illinois, trained at Chicago College of Medicine and Surgery (class of 1993). In 2024 Medicare paid $150,512 for 847 patients, and Part D covered 1,782 of their prescriptions, 75% of them generic. Karl Storz Endoscopy-America was the largest of 13 companies reporting payments in 2025, $2,658 in all, mostly food and beverage.
Overview
| NPI | 1508938952 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 14, 2006 |
| Last updated in NPPES | Aug 7, 2023 |
| Certified by provider | Aug 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 036092735 | 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 - Otolaryngology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 847 |
|---|---|
| Services billed | 3,235 across 61 procedure codes |
| Paid by Medicare | $150,512 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,782 · 3,656 30-day fills |
|---|---|
| Patients | 622 |
| Total drug cost | $57,658 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Chicago College of Medicine and Surgery |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Otolaryngology |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Hospital affiliations
- Copley Memorial HospitalAurora, IL
- Edward HospitalNaperville, IL
- Loyola University Medical CenterMaywood, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
Industry payments (Open Payments)
- 2025$2,658 · 62 payments from 13 companies
- 2024$865.37 · 41 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Karl Storz Endoscopy-America | $1,126 | 4 |
| Genzyme Corporation | $541.25 | 13 |
| Glaxosmithkline, LLC. | $259.91 | 14 |
| Regeneron Healthcare Solutions, Inc. | $229.33 | 9 |
| Ars Pharmaceuticals Operations, Inc. | $155.46 | 6 |
What the 2025 payments were for
- Food and Beverage$1,586 · 58 payments
- Travel and Lodging$998.19 · 2 payments
- Education$73.72 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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