Gregory D. Osmundson, M.D.
NPI 1255391801ActiveIndividual· Ophthalmology· Sioux Falls, SD
Ophthalmology (M.D.) in Sioux Falls, South Dakota, trained at Sanford School of Medicine of University of South Dakota (class of 1994). In 2024 Medicare paid $119,837 for 221 patients, and Part D covered 1,053 of their prescriptions, 71% of them generic. Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $442.63 in all, mostly food and beverage.
Overview
| NPI | 1255391801 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 27, 2006 |
| Last updated in NPPES | Jun 11, 2026 |
| Certified by provider | Jun 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 4573 | SD |
| Ophthalmology, Glaucoma Specialist | 207WX0009X | 4573 | SD |
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 (MN); Practitioner - Ophthalmology (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 221 |
|---|---|
| Services billed | 810 across 30 procedure codes |
| Paid by Medicare | $119,837 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,053 · 1,299 30-day fills |
|---|---|
| Patients | 217 |
| Total drug cost | $24,694 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Sanford School of Medicine of University of South Dakota |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Ophthalmology |
Medical group
- Ophthalmology LtdMitchell, SD · 12 clinicians
Hospital affiliations
- Avera McKennan Hospital & University Health CenterSioux Falls, SD
- Prairie Lakes Healthcare System, IncWatertown, SD
Industry payments (Open Payments)
- 2025$442.63 · 14 payments from 6 companies
- 2024$1,035 · 10 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $171.57 | 4 |
| Amgen Inc. | $106.10 | 6 |
| New World Medical,inc. | $69.33 | 1 |
| Sight Sciences, Inc. | $42.28 | 1 |
| Tarsus Pharmaceuticals, Inc. | $28.10 | 1 |
What the 2025 payments were for
- Food and Beverage$442.63 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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