Tatiana Sadak, ARNP
NPI 1235466517ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Lynnwood, WA
Nurse Practitioner, Psych/Mental Health (ARNP) in Lynnwood, Washington, licensed in WA, with an NPI issued in November 2009. Part D covered 59 prescriptions written in 2024, 100% of them generic. Neurocrine Biosciences, Inc. reported $73.76 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1235466517 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | Yes |
| NPI issued | Nov 7, 2009 |
| Last updated in NPPES | Feb 2, 2026 |
| Certified by provider | Feb 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | AP60122579 | WA |
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 (WA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 59 · 147 30-day fills |
|---|---|
| Total drug cost | $2,062 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$73.76 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $73.76 | 1 |
What the 2025 payments were for
- Food and Beverage$73.76 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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