Matthew J. Koterwas, FNP
NPI 1376070854ActiveIndividual· Nurse Practitioner, Family· New Castle, DE
Nurse Practitioner, Family (FNP) with Christiana Care Health Services Inc, practicing in New Castle, Delaware. Their prescriptions cost Medicare Part D more than their services did: $372,436 for 3,344 claims, against $43,341 paid for services in 2024. Abbott Laboratories reported $18.40 in payments in 2025, mostly food and beverage. Lists Christiana Hospital as a hospital affiliation.
Overview
| NPI | 1376070854 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | May 16, 2017 |
| Last updated in NPPES | Oct 25, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | LG-0001026 | DE |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 343 |
|---|---|
| Services billed | 681 across 14 procedure codes |
| Paid by Medicare | $43,341 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,344 · 8,346 30-day fills |
|---|---|
| Patients | 439 |
| Total drug cost | $372,436 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Christiana Care Health Services IncNewark, DE · 1,483 clinicians
Hospital affiliation
- Christiana HospitalNewark, DE
Other facilities
- Christianacare HomehealthHome health agency · Wilmington, DE
Industry payments (Open Payments)
- 2025$18.40 · 1 payment from 1 company
- 2024$13.57 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $18.40 | 1 |
What the 2025 payments were for
- Food and Beverage$18.40 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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