Viriato Manuel Fiallo, M.D.
NPI 1326015983ActiveIndividual· Surgery· Springfield, MA
Surgery (M.D.) with Riverbend Medical Group Inc, practicing in Springfield, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $270,482 for 781 claims, against $44,405 paid for services in 2024. Lilly USA, LLC was the largest of 3 companies reporting payments in 2025, $476.93 in all, mostly food and beverage. Lists Mercy Medical Ctr as a hospital affiliation.
Overview
| NPI | 1326015983 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 2, 2006 |
| Last updated in NPPES | Mar 14, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 70766 | MA |
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 - General Surgery (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 134 |
|---|---|
| Services billed | 260 across 33 procedure codes |
| Paid by Medicare | $44,405 |
Part D prescriptions in 2024
| Prescriptions (claims) | 781 · 1,046 30-day fills |
|---|---|
| Patients | 188 |
| Total drug cost | $270,482 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Riverbend Medical Group IncAgawam, MA · 226 clinicians
Hospital affiliation
- Mercy Medical CtrSpringfield, MA
Industry payments (Open Payments)
- 2025$476.93 · 12 payments from 3 companies
- 2024$346.23 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $203.88 | 6 |
| Novo Nordisk Inc | $167.84 | 5 |
| Boston Scientific Corporation | $105.21 | 1 |
What the 2025 payments were for
- Food and Beverage$476.93 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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