Randolph Chu Villamor, MD
NPI 1851383731ActiveIndividual· Internal Medicine· Rock Hill, SC
Internal Medicine (MD) with Cora South Carolina LLC and 1 other group, practicing in Rock Hill, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $1,098,148 for 11,281 claims, against $213,391 paid for services in 2024. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $245.85 in all, mostly food and beverage. Lists Piedmont Medical Center as a hospital affiliation.
Overview
| NPI | 1851383731 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 17, 2005 |
| Last updated in NPPES | Oct 13, 2023 |
| Certified by provider | Oct 13, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 24083 | 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 - Internal Medicine (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 688 |
|---|---|
| Services billed | 4,245 across 47 procedure codes |
| Paid by Medicare | $213,391 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,281 · 27,186 30-day fills |
|---|---|
| Patients | 816 |
| Total drug cost | $1,098,148 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Cora South Carolina LLCBluffton, SC · 236 clinicians
- Piedmont Physician Network LLCFort Mill, SC · 89 clinicians
Hospital affiliation
- Piedmont Medical CenterRock Hill, SC
Other facilities
- Adoration Home HealthHome health agency · Rock Hill, SC
- Bayada Home Health Care-Rock HillHome health agency · Rock Hill, SC
- Centerwell Home HealthHome health agency · Gaffney, SC
- Healthy at Home YorkHome health agency · Rock Hill, SC
- Neighbors Care Home Health Agency, An Amedisys CoHome health agency · Chester, SC
- Willow Brooke Court at Park Pointe VillageNursing home · Rock Hill, SC
Industry payments (Open Payments)
- 2025$245.85 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $124.99 | 1 |
| Astrazeneca Pharmaceuticals LP | $120.86 | 1 |
What the 2025 payments were for
- Food and Beverage$245.85 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 internal medicine physicians in Rock Hill · All internal medicine physicians in South Carolina