Matthew Ross Zanghi, M.D.
NPI 1346688041ActiveIndividual· Internal Medicine· Leominster, MA
Internal Medicine (M.D.) in Leominster, Massachusetts, trained at University of Massachusetts Medical School (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $371,599 for 6,430 claims, against $37,221 paid for services in 2024. Novo Nordisk Inc reported $50.62 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1346688041 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 5, 2013 |
| Last updated in NPPES | Jul 10, 2026 |
| Certified by provider | Jul 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 255970 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 284 |
|---|---|
| Services billed | 769 across 22 procedure codes |
| Paid by Medicare | $37,221 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,430 · 14,194 30-day fills |
|---|---|
| Patients | 545 |
| Total drug cost | $371,599 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Leominster Medical AssociatesLeominster, MA · 2 clinicians
Hospital affiliations
- Heywood Hospital -Gardner, MA
- Umass Memorial Healthalliance HospitalsLeominster, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Other facilities
- Care Central Vna & Hospice IncHome health agency · Gardner, MA
- Elara CaringHome health agency · Braintree, MA
- Encompass Health Home HealthHome health agency · Ludlow, MA
- Health Alliance Home Health and HospiceHome health agency · Leominster, MA
- Vna Care NetworkHome health agency · Worcester, MA
Industry payments (Open Payments)
- 2025$50.62 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $50.62 | 2 |
What the 2025 payments were for
- Food and Beverage$50.62 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 internal medicine physicians in Leominster · All internal medicine physicians in Massachusetts