Grace Waithiegeni Muriithi
NPI 1316659824ActiveIndividual· Nurse Practitioner, Family· Worcester, MA
Nurse Practitioner, Family with Worcester Internal Medicine, Inc., practicing in Worcester, Massachusetts. In 2024 Medicare paid $62,716 for 121 patients, and Part D covered 320 of their prescriptions, 88% of them generic. Amgen Inc. reported $20.39 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1316659824 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Dec 15, 2022 |
| Last updated in NPPES | Mar 14, 2024 |
| Certified by provider | Mar 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN2284555 | 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 - Nurse Practitioner (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 121 |
|---|---|
| Services billed | 856 across 6 procedure codes |
| Paid by Medicare | $62,716 |
Part D prescriptions in 2024
| Prescriptions (claims) | 320 · 320 30-day fills |
|---|---|
| Patients | 68 |
| Total drug cost | $9,058 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Worcester Internal Medicine, Inc.Worcester, MA · 9 clinicians
Industry payments (Open Payments)
- 2025$20.39 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $20.39 | 1 |
What the 2025 payments were for
- Food and Beverage$20.39 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 183 family nurse practitioners in Worcester · All family nurse practitioners in Massachusetts