Gregory Fredrick Hertwig
NPI 1013303627ActiveIndividual· Anesthesiology· Spartanburg, SC
Anesthesiology in Spartanburg, South Carolina, trained at University of South Carolina School of Medicine (class of 2015). Medicare paid $37,258 for services to 293 patients in 2024. Becton, Dickinson and Company was the largest of 2 companies reporting payments in 2025, $53.29 in all, mostly food and beverage.
Overview
| NPI | 1013303627 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 9, 2015 |
| Last updated in NPPES | Jul 24, 2020 |
| Certified by provider | Jul 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 83883 | 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 - Anesthesiology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 293 |
|---|---|
| Services billed | 475 across 78 procedure codes |
| Paid by Medicare | $37,258 |
Education and affiliations
| Medical school | University of South Carolina School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Anesthesiology |
Medical group
- Spartanburg Medical CenterSpartanburg, SC · 1,078 clinicians
Hospital affiliations
- Pelham Medical CenterGreer, SC
- Spartanburg Medical CenterSpartanburg, SC
Industry payments (Open Payments)
- 2025$53.29 · 2 payments from 2 companies
- 2024$42.32 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Becton, Dickinson and Company | $34.13 | 1 |
| Merck Sharp & Dohme LLC | $19.16 | 1 |
What the 2025 payments were for
- Food and Beverage$53.29 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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