Reid D. Castellone, MD
NPI 1154708543ActiveIndividual· Family Medicine· Ninety Six, SC
Family Medicine (MD) in Ninety Six, South Carolina, trained at University of South Carolina School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $874,727 for 9,697 claims, against $130,998 paid for services in 2024. Pfizer Inc. was the largest of 23 companies reporting payments in 2025, $1,271 in all, mostly food and beverage.
Overview
| NPI | 1154708543 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 5, 2015 |
| Last updated in NPPES | Jan 10, 2023 |
| Certified by provider | Jan 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 38341 | 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 - Family Practice (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 427 |
|---|---|
| Services billed | 4,275 across 57 procedure codes |
| Paid by Medicare | $130,998 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,697 · 21,021 30-day fills |
|---|---|
| Patients | 756 |
| Total drug cost | $874,727 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of South Carolina School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Family Practice |
Medical groups
- Self Medical GroupGreenwood, SC · 395 clinicians
- Self Regional HealthcareLaurens, SC · 180 clinicians
Hospital affiliations
- Abbeville Area Medical CenterAbbeville, SC
- Self Regional HealthcareGreenwood, SC
Other facilities
- Amedisys Home Health of ClintonHome health agency · Clinton, SC
- Home Health Services of Self Regional HealthcareHome health agency · Greenwood, SC
- Crescent Hospice, IncHospice · Columbia, SC
Industry payments (Open Payments)
- 2025$1,271 · 84 payments from 23 companies
- 2024$654.12 · 39 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $215.48 | 17 |
| Lilly USA, LLC | $164.04 | 13 |
| Novo Nordisk Inc | $155.61 | 10 |
| Astrazeneca Pharmaceuticals LP | $149.84 | 13 |
| Exact Sciences Corporation | $76.08 | 4 |
What the 2025 payments were for
- Food and Beverage$1,271 · 84 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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