Amanda Groenhuyzen, OD
NPI 1780317115ActiveIndividual· Optometrist· Denver, CO
Optometrist (OD) with One Hour Optical Medical Services, PC, practicing in Denver, Colorado. Part D covered 58 prescriptions written in 2024, 59% of them generic. Bausch & Lomb Americas Inc. was the largest of 5 companies reporting payments in 2025, $253.47 in all, mostly food and beverage.
Overview
| NPI | 1780317115 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Jul 4, 2022 |
| Last updated in NPPES | May 29, 2026 |
| Certified by provider | May 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 3928 | CO |
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 (CO) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 58 · 102 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $11,415 |
| Generic share | 59% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Optometry |
Medical group
- One Hour Optical Medical Services, PCFort Collins, CO · 43 clinicians
Industry payments (Open Payments)
- 2025$253.47 · 6 payments from 5 companies
- 2024$18.51 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $140.00 | 1 |
| Johnson & Johnson Vision Care, Inc. | $38.17 | 2 |
| Coopervision Inc. | $36.75 | 1 |
| Rxsight Inc | $20.43 | 1 |
| Biotissue Holdings Inc. | $18.12 | 1 |
What the 2025 payments were for
- Food and Beverage$253.47 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 220 optometrists in Denver · All optometrists in Colorado