Gregory Thomas Valainis, MD
NPI 1215906151ActiveIndividual· Internal Medicine· Spartanburg, SC
Internal Medicine (MD) in Spartanburg, South Carolina, trained at Virginia Commonwealth University, School of Medicine (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $2,132,219 for 7,543 claims, against $88,283 paid for services in 2024. Gilead Sciences, Inc. was the largest of 7 companies reporting payments in 2025, $279.43 in all, mostly food and beverage.
Overview
| NPI | 1215906151 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Jun 8, 2023 |
| Certified by provider | Jun 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 14717 | SC |
| Internal Medicine, Infectious Disease | 207RI0200X | 14717 | 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 - Infectious Disease (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 186 |
|---|---|
| Services billed | 1,816 across 72 procedure codes |
| Paid by Medicare | $88,283 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,543 · 16,180 30-day fills |
|---|---|
| Patients | 378 |
| Total drug cost | $2,132,219 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Virginia Commonwealth University, School of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Medical group
- Spartanburg Medical CenterSpartanburg, SC · 1,078 clinicians
Hospital affiliation
- Spartanburg Medical CenterSpartanburg, SC
Other facilities
- Interim Healthcare of the UpstateHome health agency · Greenville, SC
Industry payments (Open Payments)
- 2025$279.43 · 9 payments from 7 companies
- 2024$211.55 · 9 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $79.86 | 2 |
| Exact Sciences Corporation | $79.66 | 1 |
| Abiomed | $41.37 | 2 |
| Otsuka America Pharmaceutical, Inc. | $24.36 | 1 |
| Inari Medical, Inc. | $20.78 | 1 |
What the 2025 payments were for
- Food and Beverage$279.43 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 116 internal medicine physicians in Spartanburg · All internal medicine physicians in South Carolina