Alyssa Koelker, APRN
NPI 1255083879ActiveIndividual· Nurse Practitioner, Family· Rochester, NH
Nurse Practitioner, Family (APRN) with Wentworth Douglass Physician Corporation, practicing in Rochester, New Hampshire. 249 Medicare patients in 2024, $23,772 paid; nearly all of their 207 Part D prescriptions were generic (96%). Lists Wentworth-Douglass Hospital as a hospital affiliation.
Overview
| NPI | 1255083879 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Jan 25, 2022 |
| Last updated in NPPES | Oct 31, 2023 |
| Certified by provider | Oct 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 087022-23 | 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) | Enrolled Practitioner - Nurse Practitioner (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 249 |
|---|---|
| Services billed | 272 across 17 procedure codes |
| Paid by Medicare | $23,772 |
Part D prescriptions in 2024
| Prescriptions (claims) | 207 · 207 30-day fills |
|---|---|
| Patients | 133 |
| Total drug cost | $3,028 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Wentworth Douglass Physician CorporationDover, NH · 429 clinicians
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
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