Mathew Thomas Walker, O.D.
NPI 1255595864ActiveIndividual· Optometrist· Alexandria, MN
Optometrist (O.D.) in Alexandria, Minnesota, trained at Illinois College of Optometry at Chicago (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $1,488,246 for 1,824 claims, against $116,560 paid for services in 2024. Glaukos Corporation was the largest of 9 companies reporting payments in 2025, $9,111 in all, mostly consulting fees.
Overview
| NPI | 1255595864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jul 12, 2008 |
| Last updated in NPPES | May 21, 2024 |
| Certified by provider | May 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 3146 | MN |
| Optometrist | 152W00000X | OPC4394 | FL |
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 - Optometry (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 650 |
|---|---|
| Services billed | 1,944 across 25 procedure codes |
| Paid by Medicare | $116,560 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,824 · 2,740 30-day fills |
|---|---|
| Patients | 523 |
| Total drug cost | $1,488,246 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Optometry |
Medical group
- Vance Thompson Vision Clinic Prof LLCSioux Falls, SD · 45 clinicians
Hospital affiliation
- Alomere HealthAlexandria, MN
Industry payments (Open Payments)
- 2025$9,111 · 31 payments from 9 companies
- 2024$1,731 · 26 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $7,275 | 14 |
| Sight Sciences, Inc. | $1,443 | 3 |
| Rayner Intraocular Lenses Limited | $109.53 | 2 |
| Alcon Vision LLC | $76.45 | 4 |
| Biotissue Holdings Inc. | $74.38 | 3 |
What the 2025 payments were for
- Consulting Fee$5,816 · 3 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,350 · 1 payment
- Food and Beverage$1,017 · 26 payments
- Travel and Lodging$928.67 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Optometrist providers in Alexandria
- 1316304124
- 1639704232
- 1710263074
- 1083873160
- 1043470677
- 1104792159
- 1093891624
- 1528066651
- 1811452048
- 1184606949
- 1508402033
- 1205991692