Matthew Thomas Rivera, MD
NPI 1598256190ActiveIndividual· Family Medicine· Dunkirk, NY
Family Medicine (MD) in Dunkirk, New York, trained at Medical College of Georgia School of Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $687,588 for 4,439 claims, against $376.80 paid for services in 2024. Exact Sciences Corporation was the largest of 13 companies reporting payments in 2025, $506.28 in all, mostly food and beverage.
Overview
| NPI | 1598256190 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 21, 2018 |
| Last updated in NPPES | Jun 10, 2024 |
| Certified by provider | Jun 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 310349 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 32 across 11 procedure codes |
| Paid by Medicare | $376.80 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,439 · 6,971 30-day fills |
|---|---|
| Patients | 219 |
| Total drug cost | $687,588 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Medical College of Georgia School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Family Practice |
Medical group
- The Chautauqua Center IncDunkirk, NY · 37 clinicians
Hospital affiliations
- Bertrand Chaffee HospitalSpringville, NY
- Brooks-Tlc Hospital System, IncDunkirk, NY
Industry payments (Open Payments)
- 2025$506.28 · 26 payments from 13 companies
- 2024$405.59 · 20 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $128.29 | 6 |
| Amgen Inc. | $75.51 | 5 |
| Verona Pharma, Inc. | $62.69 | 2 |
| Glaxosmithkline, LLC. | $54.10 | 3 |
| Abbvie Inc. | $35.32 | 2 |
What the 2025 payments were for
- Food and Beverage$506.28 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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