Thomas John Demarco, MD
NPI 1093825846ActiveIndividual· Internal Medicine, Gastroenterology· Smyrna, GA
Internal Medicine, Gastroenterology (MD) in Smyrna, Georgia, licensed in GA, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $213,521 for 3,900 claims, against $3,983 paid for services in 2024.
Overview
| NPI | 1093825846 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Apr 9, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 32718 | GA |
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 - Internal Medicine (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 17 |
|---|---|
| Services billed | 47 across 5 procedure codes |
| Paid by Medicare | $3,983 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,900 · 5,224 30-day fills |
|---|---|
| Patients | 288 |
| Total drug cost | $213,521 |
| Generic share | 90% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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