Margaret Nduta Njonjo, M.D.
NPI 1427239334ActiveIndividual· Internal Medicine, Geriatric Medicine· Eugene, OR
Internal Medicine, Geriatric Medicine (M.D.) in Eugene, Oregon, trained at University of Minnesota Medical School (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $1,169,424 for 11,812 claims, against $59,198 paid for services in 2024. Boston Scientific Corporation reported $122.35 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1427239334 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 19, 2007 |
| Last updated in NPPES | Sep 21, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | MD150253 | OR |
| Internal Medicine | 207R00000X | MD150253 | OR |
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 (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 288 |
|---|---|
| Services billed | 950 across 37 procedure codes |
| Paid by Medicare | $59,198 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,812 · 25,870 30-day fills |
|---|---|
| Patients | 813 |
| Total drug cost | $1,169,424 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Peacehealth Medical GroupEugene, OR · 255 clinicians
- PeacehealthRoseburg, OR · 197 clinicians
Hospital affiliations
- Peace Harbor Medical CenterFlorence, OR
- Peacehealth Cottage Grove Community Medical CenterCottage Grove, OR
- Sacred Heart Medical Center - RiverbendSpringfield, OR
Other facilities
- Sacred Heart Home HealthHome health agency · Springfield, OR
- Signature Healthcare at HomeHome health agency · Eugene, OR
- Sacred Heart HospiceHospice · Springfield, OR
Industry payments (Open Payments)
- 2025$122.35 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $122.35 | 1 |
What the 2025 payments were for
- Food and Beverage$122.35 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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