Defined Focus Collective, PLLC
NPI 1891617023ActiveOrganization· Nurse Practitioner, Psych/Mental Health· Olive Branch, MS
Nurse Practitioner, Psych/Mental Health in Olive Branch, Mississippi, registered in NPPES in July 2026. The authorized official on file is Di'Yana Fisher, PMHNP-BC, Owner.
Overview
| NPI | 1891617023 |
|---|---|
| Status | Active |
| Entity type | Organization |
| NPI issued | Jul 28, 2026 |
| Last updated in NPPES | Jul 28, 2026 |
| Certified by provider | Jul 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|
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