Terry A. Grainger, MD
NPI 1003854464ActiveIndividual· Internal Medicine, Sleep Medicine· Columbia, SC
Internal Medicine, Sleep Medicine (MD) in Columbia, South Carolina, trained at Medical University of South Carolina College of Medicine (class of 1987). In 2024 Medicare paid $245,017 for 2,159 patients, and Part D covered 988 of their prescriptions, 79% of them generic. Novartis Pharmaceuticals Corporation was the largest of 20 companies reporting payments in 2025, $2,367 in all, mostly food and beverage.
Overview
| NPI | 1003854464 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 4, 2006 |
| Last updated in NPPES | Sep 30, 2025 |
| Certified by provider | Sep 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Sleep Medicine Primary | 207RS0012X | 16593 | SC |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 16593 | SC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,159 |
|---|---|
| Services billed | 5,046 across 69 procedure codes |
| Paid by Medicare | $245,017 |
Part D prescriptions in 2024
| Prescriptions (claims) | 988 · 2,022 30-day fills |
|---|---|
| Patients | 259 |
| Total drug cost | $203,836 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Prisma Health Medical Group-MidlandsColumbia, SC · 1,068 clinicians
- Beaufort County Memorial HospitalBeaufort, SC · 194 clinicians
Hospital affiliations
- Beaufort County Memorial HospitalBeaufort, SC
- Carolina Pines Regional Medical CenterHartsville, SC
- Prisma Health BaptistColumbia, SC
- Prisma Health Baptist ParkridgeColumbia, SC
- Prisma Health Richland HospitalColumbia, SC
Industry payments (Open Payments)
- 2025$2,367 · 110 payments from 20 companies
- 2024$2,090 · 104 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $411.47 | 18 |
| Heartflow, Inc. | $320.73 | 6 |
| E.R. Squibb & Sons, L.L.C. | $209.80 | 19 |
| Abbott Laboratories | $201.53 | 5 |
| Boston Scientific Corporation | $171.19 | 8 |
What the 2025 payments were for
- Food and Beverage$2,367 · 110 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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