Katelyn Isherwood
NPI 1639890502ActiveIndividual· Family Medicine· Derry, NH
Family Medicine in Derry, New Hampshire, licensed in MA, with an NPI issued in September 2022. Part D covered 87 prescriptions written in 2024, 87% of them generic. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $1,437 in all, mostly food and beverage.
Overview
| NPI | 1639890502 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Sep 8, 2022 |
| Last updated in NPPES | Jul 10, 2024 |
| Certified by provider | Jul 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 265702 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (NH) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 87 · 114 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $20,225 |
| Generic share | 87% of claims |
Industry payments (Open Payments)
- 2025$1,437 · 69 payments from 20 companies
- 2024$1,574 · 67 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $470.99 | 20 |
| Lundbeck LLC | $174.83 | 14 |
| Teva Pharmaceuticals USA, Inc. | $116.37 | 7 |
| Amneal Pharmaceuticals LLC | $71.93 | 3 |
| Pfizer Inc. | $63.73 | 3 |
What the 2025 payments were for
- Food and Beverage$1,437 · 69 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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