Matthew G. Hattenhauer, M.D.
NPI 1619950425ActiveIndividual· Ophthalmology· Wausau, WI
Ophthalmology (M.D.) in Wausau, Wisconsin, licensed in WI, with an NPI issued in November 2005. Their prescriptions cost Medicare Part D more than their services did: $20,260 for 512 claims, against $10,800 paid for services in 2024.
Overview
| NPI | 1619950425 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 25, 2005 |
| Last updated in NPPES | Oct 7, 2020 |
| Certified by provider | Oct 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 40710 | WI |
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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 107 |
|---|---|
| Services billed | 178 across 17 procedure codes |
| Paid by Medicare | $10,800 |
Part D prescriptions in 2024
| Prescriptions (claims) | 512 · 1,061 30-day fills |
|---|---|
| Patients | 199 |
| Total drug cost | $20,260 |
| Generic share | 75% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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