Ryan Ellwein, OD
NPI 1801981030ActiveIndividual· Optometrist· Sioux Falls, SD
Optometrist (OD) in Sioux Falls, South Dakota, licensed in SD, with an NPI issued in October 2006. Mostly services rather than prescriptions: Medicare paid $13,575 for 165 patients in 2024, with only 31 Part D claims. Bausch & Lomb Americas Inc. was the largest of 2 companies reporting payments in 2025, $93.67 in all, mostly food and beverage.
Overview
| NPI | 1801981030 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Oct 4, 2006 |
| Last updated in NPPES | Mar 10, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 595 | SD |
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 (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 165 |
|---|---|
| Services billed | 165 across 2 procedure codes |
| Paid by Medicare | $13,575 |
Part D prescriptions in 2024
| Prescriptions (claims) | 31 · 37 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $5,777 |
| Generic share | 68% of claims |
Industry payments (Open Payments)
- 2025$93.67 · 4 payments from 2 companies
- 2024$81.82 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $59.68 | 3 |
| Coopervision Inc. | $33.99 | 1 |
What the 2025 payments were for
- Food and Beverage$93.67 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 107 optometrists in Sioux Falls · All optometrists in South Dakota