Geoffrey Tsaras, MD
NPI 1023278769ActiveIndividual· Internal Medicine, Infectious Disease· Rockford, IL
Internal Medicine, Infectious Disease (MD) with Swedishamerican Hospital and 1 other group, practicing in Rockford, Illinois. Their prescriptions cost Medicare Part D more than their services did: $660,243 for 839 claims, against $45,660 paid for services in 2024. Gilead Sciences, Inc. reported $124.99 in payments in 2025, mostly food and beverage. Lists Javon Bea Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1023278769 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 16, 2008 |
| Last updated in NPPES | Mar 12, 2021 |
| Certified by provider | Mar 12, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 036126289 | IL |
| Internal Medicine, Infectious Disease | 207RI0200X | 103894 | MN |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 235 |
|---|---|
| Services billed | 624 across 15 procedure codes |
| Paid by Medicare | $45,660 |
Part D prescriptions in 2024
| Prescriptions (claims) | 839 · 1,148 30-day fills |
|---|---|
| Patients | 189 |
| Total drug cost | $660,243 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical groups
- Swedishamerican HospitalBelvidere, IL · 389 clinicians
- Crusaders Central Clinic AssociationRockford, IL · 32 clinicians
Hospital affiliations
- Javon Bea HospitalRockford, IL
- Saint Anthony Medical CenterRockford, IL
- University of Wi Hospitals & Clinics AuthorityMadison, WI
- Uw HealthRockford, IL
Industry payments (Open Payments)
- 2025$124.99 · 1 payment from 1 company
- 2024$26.59 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $124.99 | 1 |
What the 2025 payments were for
- Food and Beverage$124.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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