Marc A. Theroux, MD
NPI 1497742514ActiveIndividual· Internal Medicine· Fall River, MA
Internal Medicine (MD) in Fall River, Massachusetts, licensed in MA and RI, with an NPI issued in October 2005. Their prescriptions cost Medicare Part D more than their services did: $485,886 for 8,114 claims, against $86,463 paid for services in 2024.
Overview
| NPI | 1497742514 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 4, 2005 |
| Last updated in NPPES | Apr 27, 2020 |
| Certified by provider | Apr 27, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 72558 | MA |
| Internal Medicine | 207R00000X | MD08048 | RI |
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 (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 438 |
|---|---|
| Services billed | 1,321 across 30 procedure codes |
| Paid by Medicare | $86,463 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,114 · 17,774 30-day fills |
|---|---|
| Patients | 703 |
| Total drug cost | $485,886 |
| Generic share | 91% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 77 internal medicine physicians in Fall River · All internal medicine physicians in Massachusetts