Sarah A. Tsagris, O.D.
NPI 1659348407ActiveIndividual· Optometrist· Valparaiso, IN
Optometrist (O.D.) in Valparaiso, Indiana, trained at Indiana University - School of Optometry (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $34,528 for 103 claims, against $11,579 paid for services in 2024. Biotissue Holdings Inc. was the largest of 2 companies reporting payments in 2025, $38.76 in all, mostly food and beverage.
Overview
| NPI | 1659348407 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Mar 1, 2006 |
| Last updated in NPPES | Feb 4, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 18003308A | IN |
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 - Optometry (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 103 |
|---|---|
| Services billed | 184 across 13 procedure codes |
| Paid by Medicare | $11,579 |
Part D prescriptions in 2024
| Prescriptions (claims) | 103 · 141 30-day fills |
|---|---|
| Patients | 32 |
| Total drug cost | $34,528 |
| Generic share | 41% of claims |
Education and affiliations
| Medical school | Indiana University - School of Optometry |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Optometry |
Medical group
- Advanced Optix LLCValparaiso, IN · 3 clinicians
Industry payments (Open Payments)
- 2025$38.76 · 2 payments from 2 companies
- 2024$1,279 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biotissue Holdings Inc. | $20.34 | 1 |
| Sun Pharmaceutical Industries Inc. | $18.42 | 1 |
What the 2025 payments were for
- Food and Beverage$38.76 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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