Katrina Diederichs, ARNP
NPI 1821023607ActiveIndividual· Nurse Practitioner, Family· Dover, NH
Nurse Practitioner, Family (ARNP) in Dover, New Hampshire, licensed in NH, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $648,588 for 6,869 claims, against $24,200 paid for services in 2024. Lists Wentworth-Douglass Hospital as a hospital affiliation.
Overview
| NPI | 1821023607 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 031091-23 | NH |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 248 |
|---|---|
| Services billed | 402 across 29 procedure codes |
| Paid by Medicare | $24,200 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,869 · 15,864 30-day fills |
|---|---|
| Patients | 480 |
| Total drug cost | $648,588 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Hospital affiliation
- Wentworth-Douglass HospitalDover, NH
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, Family providers in Dover
- 1497980999
- 1093258899
- 1548938707
- 1013716208
- 1063581346
- 1609146562
- 1689073603
- 1669652301
- 1043517485
- 1497416051
- 1285300848
- 1316655335