Stephen S. Matter, M.D.
NPI 1134228224ActiveIndividual· Internal Medicine, Gastroenterology· Normal, IL
Internal Medicine, Gastroenterology (M.D.) in Normal, Illinois, trained at University of Oklahoma College of Medicine (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $718,634 for 1,603 claims, against $240,805 paid for services in 2024. Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $3,302 in all, mostly food and beverage.
Overview
| NPI | 1134228224 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 22, 2006 |
| Last updated in NPPES | Aug 14, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 36078825 | 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 - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 797 |
|---|---|
| Services billed | 14,358 across 59 procedure codes |
| Paid by Medicare | $240,805 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,603 · 3,370 30-day fills |
|---|---|
| Patients | 533 |
| Total drug cost | $718,634 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Gastroenterology |
Medical group
- Premier Medical Group, LLCBloomington, IL · 11 clinicians
Hospital affiliations
- Carle Bromenn Medical CenterNormal, IL
- Saint James HospitalPontiac, IL
- St Joseph Medical CenterBloomington, IL
Industry payments (Open Payments)
- 2025$3,302 · 182 payments from 19 companies
- 2024$2,756 · 165 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $893.06 | 54 |
| Janssen Biotech, Inc. | $451.26 | 28 |
| Takeda Pharmaceuticals U.S.A., Inc. | $430.97 | 24 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $264.00 | 16 |
| Aimmune Therapeutics, Inc. | $236.58 | 22 |
What the 2025 payments were for
- Food and Beverage$3,207 · 180 payments
- Education$95.47 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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