Katelyn St. Pierre Isaac, AG-ACNP
NPI 1083007405ActiveIndividual· Nurse Practitioner· Augusta, ME
Nurse Practitioner (AG-ACNP) with Mainegeneral Medical Center and 2 other groups, practicing in Augusta, Maine. Their prescriptions cost Medicare Part D more than their services did: $152,078 for 370 claims, against $10,590 paid for services in 2024. Astellas Pharma US Inc was the largest of 4 companies reporting payments in 2025, $311.12 in all, mostly food and beverage. Lists Maine General Medical Center as a hospital affiliation.
Overview
| NPI | 1083007405 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AG-ACNP |
| Sole proprietor | No |
| NPI issued | Mar 10, 2015 |
| Last updated in NPPES | Apr 20, 2026 |
| Certified by provider | Apr 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | CNP151017 | ME |
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 - Nurse Practitioner (ME); Practitioner - Nurse Practitioner (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 101 |
|---|---|
| Services billed | 179 across 8 procedure codes |
| Paid by Medicare | $10,590 |
Part D prescriptions in 2024
| Prescriptions (claims) | 370 · 615 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $152,078 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Mainegeneral Medical CenterWaterville, ME · 555 clinicians
- St Marys Regional Medical CenterLewiston, ME · 198 clinicians
- Maine Center for Cancer Medicine and Blood Disorders PAWestbrook, ME · 70 clinicians
Hospital affiliation
- Maine General Medical CenterAugusta, ME
Industry payments (Open Payments)
- 2025$311.12 · 7 payments from 4 companies
- 2024$124.24 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $134.40 | 1 |
| Astrazeneca Pharmaceuticals LP | $96.75 | 3 |
| Genentech USA, Inc. | $56.38 | 2 |
| Novartis Pharmaceuticals Corporation | $23.59 | 1 |
What the 2025 payments were for
- Food and Beverage$311.12 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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