Thomas Barry Calvit, MD
NPI 1427031731ActiveIndividual· Internal Medicine, Gastroenterology· Meridian, MS
Internal Medicine, Gastroenterology (MD) in Meridian, Mississippi, trained at Georgetown University School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $456,475 for 1,677 claims, against $134,155 paid for services in 2024. Genzyme Corporation was the largest of 3 companies reporting payments in 2025, $95.94 in all, mostly food and beverage.
Overview
| NPI | 1427031731 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 22, 2005 |
| Last updated in NPPES | Oct 21, 2024 |
| Certified by provider | Oct 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 20893 | MS |
| Internal Medicine, Gastroenterology | 207RG0100X | ME0069582 | FL |
| Internal Medicine, Gastroenterology | 207RG0100X | 23952 | AL |
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 - Gastroenterology (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 579 |
|---|---|
| Services billed | 1,536 across 35 procedure codes |
| Paid by Medicare | $134,155 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,677 · 2,808 30-day fills |
|---|---|
| Patients | 391 |
| Total drug cost | $456,475 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Gastroenterology |
Medical group
- Anderson Physician Alliance IncMeridian, MS · 69 clinicians
Hospital affiliation
- Anderson Regional Medical CenterMeridian, MS
Industry payments (Open Payments)
- 2025$95.94 · 4 payments from 3 companies
- 2024$60.97 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $58.17 | 2 |
| Gilead Sciences, Inc. | $19.59 | 1 |
| Intercept Pharmaceuticals, Inc. | $18.18 | 1 |
What the 2025 payments were for
- Food and Beverage$95.94 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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