Matthew James Hadfield, DO
NPI 1811493414ActiveIndividual· Internal Medicine, Hematology & Oncology· Providence, RI
Internal Medicine, Hematology & Oncology (DO) in Providence, Rhode Island, trained at Liberty Univ College of Osteopathic Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $37,396 for 17 claims, against $2,997 paid for services in 2024. Genentech, Inc. was the largest of 5 companies reporting payments in 2025, $383.20 in all, mostly food and beverage.
Overview
| NPI | 1811493414 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 3, 2018 |
| Last updated in NPPES | May 29, 2024 |
| Certified by provider | May 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | DO10359 | RI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Hematology/Oncology (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 45 across 9 procedure codes |
| Paid by Medicare | $2,997 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17 · 19 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $37,396 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | Liberty Univ College of Osteopathic Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Hematology/Oncology |
Medical group
- Rhode Island HospitalProvidence, RI · 437 clinicians
Hospital affiliations
- Newport HospitalNewport, RI
- Rhode Island HospitalProvidence, RI
- The Miriam HospitalProvidence, RI
Industry payments (Open Payments)
- 2025$383.20 · 6 payments from 5 companies
- 2024$9,727 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech, Inc. | $131.07 | 1 |
| Immunocore Limited | $127.46 | 1 |
| Janssen Scientific Affairs, LLC | $58.37 | 2 |
| Daiichi Sankyo Inc. | $44.98 | 1 |
| Caris Mpi, Inc. | $21.32 | 1 |
What the 2025 payments were for
- Food and Beverage$383.20 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 64 hematologist-oncologists in Providence · All hematologist-oncologists in Rhode Island