Tomas Vietorisz, MD
NPI 1760594386ActiveIndividual· Internal Medicine· Stamford, CT
Internal Medicine (MD) in Stamford, Connecticut, trained at Icahn School of Medicine at Mount Sinai (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $3,000,326 for 4,621 claims, against $38,744 paid for services in 2024. Amgen Inc. reported $21.76 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1760594386 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Dec 22, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 034534 | CT |
| Internal Medicine, Rheumatology | 207RR0500X | 034534 | CT |
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 - Rheumatology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 598 across 26 procedure codes |
| Paid by Medicare | $38,744 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,621 · 10,668 30-day fills |
|---|---|
| Patients | 489 |
| Total drug cost | $3,000,326 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Stamford Health Medical Group IncStamford, CT · 444 clinicians
Hospital affiliations
- Greenwich Hospital Association -Greenwich, CT
- Stamford HospitalStamford, CT
Other facilities
- Constellation Home CareHome health agency · Norwalk, CT
Industry payments (Open Payments)
- 2025$21.76 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $21.76 | 1 |
What the 2025 payments were for
- Food and Beverage$21.76 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 150 internal medicine physicians in Stamford · All internal medicine physicians in Connecticut