Kenneth H. Ristau, O.D.
NPI 1235180233ActiveIndividual· Optometrist· Marshall, MN
Optometrist (O.D.) in Marshall, Minnesota, trained at Illinois College of Optometry at Chicago (class of 1997). In 2024 Medicare paid $13,528 for 215 patients, and Part D covered 83 of their prescriptions, 83% of them generic.
Overview
| NPI | 1235180233 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | May 14, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 2643 | 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 - Optometry (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 215 |
|---|---|
| Services billed | 2,919 across 11 procedure codes |
| Paid by Medicare | $13,528 |
Part D prescriptions in 2024
| Prescriptions (claims) | 83 · 105 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $6,399 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Optometry |
Medical group
- Shoptikal LLCAshwaubenon, WI · 189 clinicians
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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