Gisele M. Castonguay, NP
NPI 1205089521ActiveIndividual· Nurse Practitioner· Lewiston, ME
Nurse Practitioner (NP) with Mainehealth and 2 other groups, practicing in Lewiston, Maine. In 2024 Medicare paid $4,958 for 55 patients, and Part D covered 56 of their prescriptions, 89% of them generic. Molnlycke Health Care US, LLC reported $900.00 in payments in 2025, mostly speaking and faculty fees. Lists Central Maine Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1205089521 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Oct 30, 2008 |
| Last updated in NPPES | Nov 19, 2025 |
| Certified by provider | Nov 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | CNP81961 | ME |
| Nurse Practitioner | 363L00000X | 10051311 | OR |
| Nurse Practitioner, Adult Health | 363LA2200X | CNP81961 | ME |
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 (ME); Practitioner - Nurse Practitioner (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 117 across 18 procedure codes |
| Paid by Medicare | $4,958 |
Part D prescriptions in 2024
| Prescriptions (claims) | 56 · 58 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $3,007 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- MainehealthPortland, ME · 2,633 clinicians
- Salem HealthSalem, OR · 454 clinicians
- Central Maine Medical CenterLewiston, ME · 342 clinicians
Hospital affiliations
- Central Maine Medical CenterLewiston, ME
- Mainehealth Maine Medical CenterPortland, ME
- Rumford HospitalRumford, ME
- Salem Health West ValleyDallas, OR
- Salem HospitalSalem, OR
Industry payments (Open Payments)
- 2025$900.00 · 1 payment from 1 company
- 2024$12,763 · 19 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Molnlycke Health Care US, LLC | $900.00 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$900.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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