Catherine Wanjiru Donnerstag
NPI 1700557477ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Baltimore, MD
Nurse Practitioner, Psych/Mental Health with Toller Enterprises, LLC and 1 other group, practicing in Baltimore, Maryland. Part D covered 147 prescriptions written in 2024, 96% of them generic.
Overview
| NPI | 1700557477 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Sep 23, 2021 |
| Last updated in NPPES | Oct 1, 2025 |
| Certified by provider | Oct 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | R208729 | MD |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | AP61272824 | WA |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | NP500125360 | DC |
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 (DC); Practitioner - Nurse Practitioner (MD); Practitioner - Nurse Practitioner (WA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 147 · 153 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $10,675 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Toller Enterprises, LLCBaltimore, MD · 64 clinicians
- New Era Mental Health PLLCLynnwood, WA · 4 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 575 psychiatric nurse practitioners in Baltimore · All psychiatric nurse practitioners in Maryland