Mercy N. Wainaina, DNP-PMHNP
NPI 1427605609ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Lynnwood, WA
Nurse Practitioner, Psych/Mental Health (DNP-PMHNP) with New Era Mental Health PLLC, practicing in Lynnwood, Washington. Their prescriptions cost Medicare Part D more than their services did: $236,031 for 1,794 claims, against $23,060 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $2,062 in all, mostly food and beverage.
Overview
| NPI | 1427605609 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP-PMHNP |
| Sole proprietor | Yes |
| NPI issued | Aug 21, 2019 |
| Last updated in NPPES | Jun 2, 2022 |
| Certified by provider | Mar 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | AP60992356 | WA |
| Clinic/Center, Mental Health (Including Community Mental Health Center) | 261QM0801X | — | — |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 468 across 5 procedure codes |
| Paid by Medicare | $23,060 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,794 · 2,320 30-day fills |
|---|---|
| Patients | 79 |
| Total drug cost | $236,031 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- New Era Mental Health PLLCLynnwood, WA · 4 clinicians
Industry payments (Open Payments)
- 2025$2,062 · 93 payments from 15 companies
- 2024$2,158 · 99 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $411.90 | 21 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $333.67 | 15 |
| Teva Pharmaceuticals USA, Inc. | $249.15 | 6 |
| Supernus Pharmaceuticals, Inc. | $200.07 | 14 |
| Axsome Therapeutics, Inc. | $160.72 | 9 |
What the 2025 payments were for
- Food and Beverage$1,950 · 92 payments
- Education$111.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 psychiatric nurse practitioners in Lynnwood · All psychiatric nurse practitioners in Washington