Catherine Njiru-Sewer, D.O.
NPI 1063914836ActiveIndividual· Family Medicine· West River, MD
Family Medicine (D.O.) in West River, Maryland, trained at Edward Via Col of Osteo Medicine-Virginia Campus (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $506,028 for 3,757 claims, against $265.17 paid for services in 2024. Novo Nordisk Inc was the largest of 4 companies reporting payments in 2025, $149.81 in all, mostly food and beverage.
Overview
| NPI | 1063914836 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 7, 2018 |
| Last updated in NPPES | Aug 13, 2024 |
| Certified by provider | Aug 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | DO035003 | DC |
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 - Family Practice (DC); Practitioner - Family Practice (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 26 |
|---|---|
| Services billed | 52 across 5 procedure codes |
| Paid by Medicare | $265.17 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,757 · 7,503 30-day fills |
|---|---|
| Patients | 426 |
| Total drug cost | $506,028 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Edward Via Col of Osteo Medicine-Virginia Campus |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Family Practice |
Medical groups
- Medstar Urgent Care LLCWheaton, MD · 300 clinicians
- Owensville Primary Care, IncWest River, MD · 4 clinicians
Other facilities
- Amedisys Home Health of Maryland LLCHome health agency · Glen Burnie, MD
Industry payments (Open Payments)
- 2025$149.81 · 7 payments from 4 companies
- 2024$31.10 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $66.42 | 3 |
| Corcept Therapeutics | $40.70 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $25.15 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $17.54 | 1 |
What the 2025 payments were for
- Food and Beverage$149.81 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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