Margaret A. Johnstone, RN NP
NPI 1134229347ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Concord, CA
Nurse Practitioner, Psych/Mental Health (RN NP) in Concord, California, licensed in CA, with an NPI issued in September 2006. Part D covered 28 prescriptions written in 2024, 100% of them generic.
Overview
| NPI | 1134229347 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN NP |
| Sole proprietor | No |
| NPI issued | Sep 25, 2006 |
| Last updated in NPPES | Apr 30, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 14501 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 28 · 36 30-day fills |
|---|---|
| Total drug cost | $210.87 |
| Generic share | 100% of claims |
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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