Matthias M. Nurnberger, M.D.
NPI 1982651774ActiveIndividual· Internal Medicine· Framingham, MA
Internal Medicine (M.D.) with Charles River Medical Associates, PC, practicing in Framingham, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $375,780 for 5,849 claims, against $136,053 paid for services in 2024. Sanofi Pasteur Inc. was the largest of 8 companies reporting payments in 2025, $285.23 in all, mostly food and beverage. Lists Metrowest Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1982651774 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 28, 2006 |
| Last updated in NPPES | Oct 30, 2023 |
| Certified by provider | Oct 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 154538 | 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 | 330 |
|---|---|
| Services billed | 2,081 across 46 procedure codes |
| Paid by Medicare | $136,053 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,849 · 13,692 30-day fills |
|---|---|
| Patients | 475 |
| Total drug cost | $375,780 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Charles River Medical Associates, PCHudson, MA · 119 clinicians
Hospital affiliations
- Metrowest Medical CenterFramingham, MA
- Newton-Wellesley HospitalNewton, MA
Other facilities
- CaretendersHome health agency · Needham Heights, MA
- Mass General Brigham Home Care, IncHome health agency · Newton, MA
- Pathways HealthcareHome health agency · Westwood, MA
- Preferred Transitions Home Health Care IncHome health agency · Milford, MA
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, MA
Industry payments (Open Payments)
- 2025$285.23 · 11 payments from 8 companies
- 2024$274.45 · 8 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi Pasteur Inc. | $57.59 | 1 |
| Astrazeneca Pharmaceuticals LP | $43.51 | 2 |
| Novo Nordisk Inc | $40.01 | 2 |
| Exact Sciences Corporation | $39.19 | 2 |
| Amgen Inc. | $30.81 | 1 |
What the 2025 payments were for
- Food and Beverage$285.23 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 102 internal medicine physicians in Framingham · All internal medicine physicians in Massachusetts