Natalia Valentinovna Tonseth, NP
NPI 1689217903ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Biddeford, ME
Nurse Practitioner, Psych/Mental Health (NP) with Mainehealth, practicing in Biddeford, Maine. Part D covered 31 prescriptions written in 2024, 97% of them generic. Neurocrine Biosciences, Inc. reported $16.35 in payments in 2025, mostly food and beverage. Lists Mainehealth Maine Medical Center as a hospital affiliation.
Overview
| NPI | 1689217903 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Oct 18, 2019 |
| Last updated in NPPES | Mar 3, 2026 |
| Certified by provider | Mar 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | CNP191100 | ME |
| Nurse Practitioner, Family | 363LF0000X | CNP191100 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 31 · 49 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $929.37 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- MainehealthPortland, ME · 2,633 clinicians
Hospital affiliation
- Mainehealth Maine Medical CenterPortland, ME
Industry payments (Open Payments)
- 2025$16.35 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $16.35 | 1 |
What the 2025 payments were for
- Food and Beverage$16.35 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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