Theodore Joseph Grieshop, MD
NPI 1811971237ActiveIndividual· Internal Medicine, Infectious Disease· Spartanburg, SC
Internal Medicine, Infectious Disease (MD) in Spartanburg, South Carolina, trained at Ohio State University College of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $1,773,139 for 1,413 claims, against $35,128 paid for services in 2024. Gilead Sciences, Inc. was the largest of 6 companies reporting payments in 2025, $273.93 in all, mostly food and beverage.
Overview
| NPI | 1811971237 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 30, 2005 |
| Last updated in NPPES | Jan 18, 2023 |
| Certified by provider | Jan 18, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 14907 | SC |
| Internal Medicine, Infectious Disease | 207RI0200X | 100253 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 112 |
|---|---|
| Services billed | 558 across 13 procedure codes |
| Paid by Medicare | $35,128 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,413 · 1,547 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $1,773,139 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Medical group
- Spartanburg Medical CenterSpartanburg, SC · 1,078 clinicians
Hospital affiliation
- Spartanburg Medical CenterSpartanburg, SC
Industry payments (Open Payments)
- 2025$273.93 · 14 payments from 6 companies
- 2024$544.10 · 23 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $123.01 | 5 |
| Viiv Healthcare Company | $63.24 | 3 |
| Abbvie Inc. | $42.35 | 3 |
| Pfizer Inc. | $15.73 | 1 |
| Glaxosmithkline, LLC. | $15.11 | 1 |
What the 2025 payments were for
- Food and Beverage$273.93 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Infectious Disease providers in South Carolina →