Tanya Trewick - Ryans, CRNP
NPI 1689056343ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Newark, DE
Nurse Practitioner, Psych/Mental Health (CRNP) in Newark, Delaware, licensed in DE, PA and FL, with an NPI issued in June 2015. Part D covered 2,467 prescriptions written in 2024, 83% of them generic. Vanda Pharmaceuticals Inc. was the largest of 14 companies reporting payments in 2025, $1,443 in all, mostly food and beverage.
Overview
| NPI | 1689056343 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | Yes |
| NPI issued | Jun 18, 2015 |
| Last updated in NPPES | Oct 8, 2026 |
| Certified by provider | Oct 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | L8-0010980 | DE |
| Nurse Practitioner, Family | 363LF0000X | SP016236 | PA |
| Nurse Practitioner, Family | 363LF0000X | ARNP9462039 | FL |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | SP032504 | PA |
| Nurse Practitioner, Family | 363LF0000X | LG-0013349 | DE |
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 (DE); Practitioner - Nurse Practitioner (PA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,467 · 3,425 30-day fills |
|---|---|
| Patients | 114 |
| Total drug cost | $240,339 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2025 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Industry payments (Open Payments)
- 2025$1,443 · 16 payments from 14 companies
- 2024$1,234 · 15 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vanda Pharmaceuticals Inc. | $135.89 | 2 |
| Neurocrine Biosciences, Inc. | $127.88 | 1 |
| Otsuka America Pharmaceutical, Inc. | $125.00 | 1 |
| Avadel Cns Pharmaceuticals, LLC | $125.00 | 1 |
| Teva Pharmaceuticals USA, Inc. | $121.84 | 1 |
What the 2025 payments were for
- Food and Beverage$1,443 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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