Joseph Charpentier, D.O.
NPI 1346476132ActiveIndividual· Internal Medicine· Worcester, MA
Internal Medicine (D.O.) in Worcester, Massachusetts, trained at University of New England, College of Osteo Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $99,515 for 898 claims, against $55,819 paid for services in 2024. Lilly USA, LLC was the largest of 6 companies reporting payments in 2025, $550.46 in all, mostly food and beverage.
Overview
| NPI | 1346476132 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 8, 2009 |
| Last updated in NPPES | Feb 22, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 240870 | 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 - Gastroenterology (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 323 |
|---|---|
| Services billed | 467 across 30 procedure codes |
| Paid by Medicare | $55,819 |
Part D prescriptions in 2024
| Prescriptions (claims) | 898 · 1,159 30-day fills |
|---|---|
| Patients | 549 |
| Total drug cost | $99,515 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of New England, College of Osteo Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Mainegeneral Medical CenterWaterville, ME · 555 clinicians
Hospital affiliation
- Maine General Medical CenterAugusta, ME
Industry payments (Open Payments)
- 2025$550.46 · 28 payments from 6 companies
- 2024$1,754 · 42 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $179.45 | 11 |
| Abbvie Inc. | $112.16 | 5 |
| Takeda Pharmaceuticals U.S.A., Inc. | $101.42 | 5 |
| Janssen Biotech, Inc. | $97.78 | 4 |
| Phathom Pharmaceuticals, Inc. | $40.67 | 2 |
What the 2025 payments were for
- Food and Beverage$550.46 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 471 internal medicine physicians in Worcester · All internal medicine physicians in Massachusetts