Mary E. Barneson, RN, MSN, AG-ACNP-BC
NPI 1326652991ActiveIndividual· Nurse Practitioner· Eau Claire, WI
Nurse Practitioner (RN, MSN, AG-ACNP-BC) with Mayo Clinic Health System-Northwest Wisconsin Region Inc, practicing in Eau Claire, Wisconsin. 275 Medicare patients in 2024, $38,097 paid; nearly all of their 287 Part D prescriptions were generic (94%). Lists Mayo Clinic Health System Chippewa Valley and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1326652991 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, MSN, AG-ACNP-BC |
| Sole proprietor | No |
| NPI issued | Sep 1, 2020 |
| Last updated in NPPES | Oct 11, 2021 |
| Certified by provider | Oct 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 10383-33 | WI |
| Registered Nurse | 163W00000X | 141301-30 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 275 |
|---|---|
| Services billed | 426 across 12 procedure codes |
| Paid by Medicare | $38,097 |
Part D prescriptions in 2024
| Prescriptions (claims) | 287 · 441 30-day fills |
|---|---|
| Patients | 109 |
| Total drug cost | $10,351 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI · 802 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-NorthlandBarron, 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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