Ryan Lowell Geraets, MD
NPI 1154441608ActiveIndividual· Ophthalmology· Sioux Falls, SD
Ophthalmology (MD) in Sioux Falls, South Dakota, trained at Sanford School of Medicine of University of South Dakota (class of 2004). In 2024 Medicare paid $3,161,806 for 898 patients, and Part D covered 705 of their prescriptions, 74% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $105.77 in all, mostly food and beverage.
Overview
| NPI | 1154441608 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 29, 2007 |
| Last updated in NPPES | Jun 11, 2026 |
| Certified by provider | Jun 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 7461 | SD |
| Ophthalmology, Retina Specialist | 207WX0107X | 7461 | 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 | 898 |
|---|---|
| Services billed | 55,594 across 50 procedure codes |
| Paid by Medicare | $3,161,806 |
Part D prescriptions in 2024
| Prescriptions (claims) | 705 · 1,150 30-day fills |
|---|---|
| Patients | 203 |
| Total drug cost | $147,700 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | Sanford School of Medicine of University of South Dakota |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Ophthalmology |
Medical group
- Ophthalmology LtdMitchell, SD · 12 clinicians
Hospital affiliation
- Avera McKennan Hospital & University Health CenterSioux Falls, SD
Industry payments (Open Payments)
- 2025$105.77 · 4 payments from 4 companies
- 2024$87.14 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $43.25 | 1 |
| Ani Pharmaceuticals, Inc. | $25.79 | 1 |
| Abbvie Inc. | $19.21 | 1 |
| Biogen, Inc. | $17.52 | 1 |
What the 2025 payments were for
- Food and Beverage$62.52 · 3 payments
- Education$43.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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