Matthew Guymon, D.O.
NPI 1205120730ActiveIndividual· Ophthalmology· Grants Pass, OR
Ophthalmology (D.O.) with Cascade Eyecare Center PC, practicing in Grants Pass, Oregon. In 2024 Medicare paid $143,633 for 686 patients, and Part D covered 1,008 of their prescriptions, 73% of them generic. Glaukos Corporation was the largest of 2 companies reporting payments in 2025, $44.63 in all, mostly food and beverage. Lists Asante Three Rivers Medical Center as a hospital affiliation.
Overview
| NPI | 1205120730 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Jun 1, 2011 |
| Last updated in NPPES | Jun 12, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | DO172760 | OR |
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 (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 686 |
|---|---|
| Services billed | 1,661 across 33 procedure codes |
| Paid by Medicare | $143,633 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,008 · 1,774 30-day fills |
|---|---|
| Patients | 239 |
| Total drug cost | $61,903 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Cascade Eyecare Center PCGrants Pass, OR · 4 clinicians
Hospital affiliation
- Asante Three Rivers Medical CenterGrants Pass, OR
Industry payments (Open Payments)
- 2025$44.63 · 2 payments from 2 companies
- 2024$67.20 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $24.88 | 1 |
| Amgen Inc. | $19.75 | 1 |
What the 2025 payments were for
- Food and Beverage$44.63 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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