Riley Williamson, O.D.
NPI 1407118169ActiveIndividual· Optometrist· Green Valley, AZ
Optometrist (O.D.) in Green Valley, Arizona, trained at Southern College of Optometry (class of 2012). In 2024 Medicare paid $61,520 for 520 patients, and Part D covered 640 of their prescriptions, 70% of them generic. Johnson & Johnson Vision Care, Inc. was the largest of 2 companies reporting payments in 2025, $117.25 in all, mostly food and beverage.
Overview
| NPI | 1407118169 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 8, 2012 |
| Last updated in NPPES | Feb 7, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 1887 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 520 |
|---|---|
| Services billed | 1,128 across 18 procedure codes |
| Paid by Medicare | $61,520 |
Part D prescriptions in 2024
| Prescriptions (claims) | 640 · 1,378 30-day fills |
|---|---|
| Patients | 203 |
| Total drug cost | $76,518 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Southern College of Optometry |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Optometry |
Medical group
- Vista Eye Care, PLCGreen Valley, AZ · 9 clinicians
Industry payments (Open Payments)
- 2025$117.25 · 2 payments from 2 companies
- 2024$201.98 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Johnson & Johnson Vision Care, Inc. | $99.07 | 1 |
| Coopervision Inc. | $18.18 | 1 |
What the 2025 payments were for
- Food and Beverage$117.25 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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