Mary Njonjo, NP-C
NPI 1245400142ActiveIndividual· Nurse Practitioner, Adult Health· Lynn, MA
Nurse Practitioner, Adult Health (NP-C) with The Commonwealth of Massachusetts and 2 other groups, practicing in Lynn, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $59,195 for 1,406 claims, against $12,582 paid for services in 2024. Lists Lowell General Hospital as a hospital affiliation.
Overview
| NPI | 1245400142 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | Yes |
| NPI issued | Mar 6, 2008 |
| Last updated in NPPES | Mar 6, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 237709 | 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 | 19 |
|---|---|
| Services billed | 264 across 5 procedure codes |
| Paid by Medicare | $12,582 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,406 · 1,410 30-day fills |
|---|---|
| Patients | 95 |
| Total drug cost | $59,195 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- The Commonwealth of MassachusettsBoston, MA · 146 clinicians
- Charter Health PCSalem, MA · 28 clinicians
- Charter Ltc LLCSalem, MA · 20 clinicians
Hospital affiliation
- Lowell General HospitalLowell, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Adult Health providers in Lynn
- 1073158614
- 1174702047
- 1154637882
- 1093041543
- 1770684433
- 1659329662
- 1669758306
- 1346521713
All Nurse Practitioner, Adult Health providers in Massachusetts →