Jessica Johnston
NPI 1871281642ActiveIndividual· Physician Assistant· Greenville, SC
Physician Assistant with Westside Internal Medicine LLC, practicing in Greenville, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $41,730 for 548 claims, against $7,663 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 10 companies reporting payments in 2025, $662.22 in all, mostly food and beverage. Lists Prisma Health Greenville Memorial Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1871281642 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 28, 2023 |
| Last updated in NPPES | Jul 6, 2026 |
| Certified by provider | Jul 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5376 | SC |
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 - Physician Assistant (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 52 |
|---|---|
| Services billed | 178 across 26 procedure codes |
| Paid by Medicare | $7,663 |
Part D prescriptions in 2024
| Prescriptions (claims) | 548 · 1,073 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $41,730 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Westside Internal Medicine LLCSpartanburg, SC · 3 clinicians
Hospital affiliations
- Prisma Health Greenville Memorial HospitalGreenville, SC
- Spartanburg Medical CenterSpartanburg, SC
Industry payments (Open Payments)
- 2025$662.22 · 39 payments from 10 companies
- 2024$191.64 · 12 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $190.12 | 16 |
| Astrazeneca Pharmaceuticals LP | $152.29 | 7 |
| Novo Nordisk Inc | $91.87 | 6 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $66.42 | 3 |
| Abbvie Inc. | $37.66 | 2 |
What the 2025 payments were for
- Food and Beverage$662.22 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 310 physician assistants in Greenville · All physician assistants in South Carolina