Maria E. Linnaus, M.D.
NPI 1609210558ActiveIndividual· Surgery· Eau Claire, WI
Surgery (M.D.) in Eau Claire, Wisconsin, trained at Creighton University School of Medicine (class of 2013). 135 Medicare patients in 2024, $45,582 paid; nearly all of their 81 Part D prescriptions were generic (96%).
Overview
| NPI | 1609210558 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 22, 2013 |
| Last updated in NPPES | Apr 25, 2022 |
| Certified by provider | Apr 25, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 70899 | WI |
| Surgery | 208600000X | 49614 | AZ |
| Surgery | 208600000X | 67507 | MN |
| Surgery | 208600000X | R73759 | 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 - General Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 135 |
|---|---|
| Services billed | 296 across 59 procedure codes |
| Paid by Medicare | $45,582 |
Part D prescriptions in 2024
| Prescriptions (claims) | 81 · 90 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $1,448 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI · 802 clinicians
- Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI · 534 clinicians
Hospital affiliations
- Mayo Clinic Health System Chippewa ValleyBloomer, WI
- Mayo Clinic Health System Eau Claire HospitalEau Claire, WI
- Mayo Clinic Health System OakridgeOsseo, WI
- Mayo Clinic Health System-Franciscan Medical Center IncLa Crosse, WI
- Mayo Clinic Health System-Red Cedar IncMenomonie, WI
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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All 26 general surgeons in Eau Claire · All general surgeons in Wisconsin