Matthew C. Ralstin, M.D.
NPI 1104088731ActiveIndividual· Ophthalmology· Warsaw, IN
Ophthalmology (M.D.) in Warsaw, Indiana, trained at Indiana University School of Medicine (class of 2007). In 2024 Medicare paid $901,485 for 929 patients, and Part D covered 1,083 of their prescriptions, 70% of them generic. Glaukos Corporation was the largest of 7 companies reporting payments in 2025, $458.42 in all, mostly food and beverage.
Overview
| NPI | 1104088731 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 25, 2008 |
| Last updated in NPPES | Dec 13, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 11013941A | IN |
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 - Ophthalmology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 929 |
|---|---|
| Services billed | 7,780 across 54 procedure codes |
| Paid by Medicare | $901,485 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,083 · 2,016 30-day fills |
|---|---|
| Patients | 347 |
| Total drug cost | $56,686 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Ophthalmology |
Medical group
- Grossnickle Eye Center IncWarsaw, IN · 12 clinicians
Industry payments (Open Payments)
- 2025$458.42 · 16 payments from 7 companies
- 2024$417.74 · 19 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $202.89 | 2 |
| Alcon Vision LLC | $154.73 | 9 |
| Genentech USA, Inc. | $23.18 | 1 |
| Astellas Pharma US Inc | $22.12 | 1 |
| Ocular Therapeutix, Inc. | $20.68 | 1 |
What the 2025 payments were for
- Food and Beverage$458.42 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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