Mark A. Dagenais, OD
NPI 1316948516ActiveIndividual· Optometrist· Milwaukee, WI
Optometrist (OD) in Milwaukee, Wisconsin, trained at Illinois College of Optometry at Chicago (class of 1998). In 2024 Medicare paid $29,170 for 224 patients, and Part D covered 233 of their prescriptions, 70% of them generic. Alcon Vision LLC was the largest of 3 companies reporting payments in 2025, $980.91 in all, mostly speaking and faculty fees.
Overview
| NPI | 1316948516 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Aug 10, 2005 |
| Last updated in NPPES | Aug 16, 2024 |
| Certified by provider | Aug 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 2704 | WI |
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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 2,426 across 18 procedure codes |
| Paid by Medicare | $29,170 |
Part D prescriptions in 2024
| Prescriptions (claims) | 233 · 391 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $11,290 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Optometry |
Industry payments (Open Payments)
- 2025$980.91 · 11 payments from 3 companies
- 2024$1,694 · 28 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $646.43 | 4 |
| Bausch & Lomb Americas Inc. | $313.54 | 6 |
| Ani Pharmaceuticals, Inc. | $20.94 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$500.00 · 1 payment
- Food and Beverage$480.91 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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