Randall Silven Johnston II, A-GNP-C
NPI 1891420931ActiveIndividual· Nurse Practitioner, Primary Care· Bossier City, LA
Nurse Practitioner, Primary Care (A-GNP-C) with Winn Community Health Center, Inc., practicing in Bossier City, Louisiana. Part D covered 5,106 prescriptions written in 2024, 78% of them generic. Astellas Pharma US Inc was the largest of 14 companies reporting payments in 2025, $1,220 in all, mostly food and beverage. Lists Christus Shreveport-Bossier Health System as a hospital affiliation.
Overview
| NPI | 1891420931 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | A-GNP-C |
| Sole proprietor | No |
| NPI issued | Jul 21, 2022 |
| Last updated in NPPES | Sep 15, 2022 |
| Certified by provider | Sep 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | 202864 | LA |
| Nurse Practitioner, Adult Health | 363LA2200X | 202864 | LA |
| Nurse Practitioner, Gerontology | 363LG0600X | 202864 | LA |
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 (LA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 5,106 · 7,127 30-day fills |
|---|---|
| Patients | 308 |
| Total drug cost | $633,796 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Winn Community Health Center, Inc.Ruston, LA · 60 clinicians
Hospital affiliation
- Christus Shreveport-Bossier Health SystemShreveport, LA
Industry payments (Open Payments)
- 2025$1,220 · 35 payments from 14 companies
- 2024$1,266 · 78 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $239.43 | 3 |
| Axsome Therapeutics, Inc. | $223.79 | 8 |
| Ardelyx, Inc. | $212.07 | 7 |
| E.R. Squibb & Sons, L.L.C. | $125.50 | 1 |
| Amgen Inc. | $125.00 | 1 |
What the 2025 payments were for
- Food and Beverage$1,120 · 34 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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