Chelsea O'Brien, NP
NPI 1245942002ActiveIndividual· Nurse Practitioner, Acute Care· Greenville, SC
Nurse Practitioner, Acute Care (NP) with Bon Secours Medical Group Greenville Specialty Care LLC, practicing in Greenville, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $408,174 for 607 claims, against $32,891 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 3 companies reporting payments in 2025, $167.05 in all, mostly food and beverage. Lists St Francis-Downtown as a hospital affiliation.
Overview
| NPI | 1245942002 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Dec 22, 2022 |
| Last updated in NPPES | Dec 22, 2022 |
| Certified by provider | Dec 22, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 26691 | 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 - Nurse Practitioner (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 310 |
|---|---|
| Services billed | 478 across 5 procedure codes |
| Paid by Medicare | $32,891 |
Part D prescriptions in 2024
| Prescriptions (claims) | 607 · 992 30-day fills |
|---|---|
| Patients | 222 |
| Total drug cost | $408,174 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Bon Secours Medical Group Greenville Specialty Care LLCGreenville, SC · 292 clinicians
Hospital affiliation
- St Francis-DowntownGreenville, SC
Industry payments (Open Payments)
- 2025$167.05 · 3 payments from 3 companies
- 2024$284.53 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $113.40 | 1 |
| 3b Medical, Inc. | $33.90 | 1 |
| Tempus Ai, Inc | $19.75 | 1 |
What the 2025 payments were for
- Food and Beverage$167.05 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 84 acute care nurse practitioners in Greenville · All acute care nurse practitioners in South Carolina