Mary Ann Allston
NPI 1104490150ActiveIndividual· Family Medicine· Greenville, SC
Family Medicine with Spartanburg Medical Center, practicing in Greenville, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $50,374 for 509 claims, against $7,275 paid for services in 2024. Amgen Inc. was the largest of 4 companies reporting payments in 2025, $115.02 in all, mostly food and beverage. Lists Pelham Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1104490150 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | May 14, 2021 |
| Last updated in NPPES | Jul 1, 2024 |
| Certified by provider | Jul 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 85848 | SC |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Family Practice (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 45 |
|---|---|
| Services billed | 89 across 12 procedure codes |
| Paid by Medicare | $7,275 |
Part D prescriptions in 2024
| Prescriptions (claims) | 509 · 941 30-day fills |
|---|---|
| Patients | 73 |
| Total drug cost | $50,374 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Spartanburg Medical CenterSpartanburg, SC · 1,078 clinicians
Hospital affiliations
- Pelham Medical CenterGreer, SC
- Spartanburg Medical CenterSpartanburg, SC
Other facilities
- Spartanburg Regional Home HealthHome health agency · Spartanburg, SC
Industry payments (Open Payments)
- 2025$115.02 · 8 payments from 4 companies
- 2024$41.92 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $50.00 | 3 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $32.37 | 3 |
| Novartis Pharmaceuticals Corporation | $18.22 | 1 |
| Exact Sciences Corporation | $14.43 | 1 |
What the 2025 payments were for
- Food and Beverage$115.02 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 265 family medicine physicians in Greenville · All family medicine physicians in South Carolina