Norman Matthew Decker, M.D.
NPI 1336534650ActiveIndividual· Internal Medicine· Glen Ellyn, IL
Internal Medicine (M.D.) in Glen Ellyn, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2015). 274 Medicare patients in 2024, $65,013 paid; nearly all of their 297 Part D prescriptions were generic (94%). Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $90.11 in all, mostly food and beverage.
Overview
| NPI | 1336534650 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 2, 2015 |
| Last updated in NPPES | Jul 23, 2024 |
| Certified by provider | Jul 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036149373 | IL |
| Hospitalist | 208M00000X | 036149373 | 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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 274 |
|---|---|
| Services billed | 855 across 69 procedure codes |
| Paid by Medicare | $65,013 |
Part D prescriptions in 2024
| Prescriptions (claims) | 297 · 505 30-day fills |
|---|---|
| Patients | 165 |
| Total drug cost | $7,394 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Industry payments (Open Payments)
- 2025$90.11 · 4 payments from 2 companies
- 2024$23.34 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $73.79 | 3 |
| Madrigal Pharmaceuticals | $16.32 | 1 |
What the 2025 payments were for
- Food and Beverage$90.11 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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