Mathias Klausing, RN
NPI 1457090979ActiveIndividual· Nurse Practitioner, Acute Care· Lima, OH
Nurse Practitioner, Acute Care (RN) with Allen Intensivist Group LLC, practicing in Lima, Ohio. Medicare paid $35,673 for services to 135 patients in 2024. Abiomed was the largest of 2 companies reporting payments in 2025, $378.78 in all, mostly food and beverage. Lists Lima Memorial Health System as a hospital affiliation.
Overview
| NPI | 1457090979 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN |
| Sole proprietor | Yes |
| NPI issued | Jun 2, 2022 |
| Last updated in NPPES | Jul 1, 2022 |
| Certified by provider | Jul 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | APRN.CNP.0031478 | OH |
| Registered Nurse | 163W00000X | RN.430317 | OH |
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 - Nurse Practitioner (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 135 |
|---|---|
| Services billed | 319 across 10 procedure codes |
| Paid by Medicare | $35,673 |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Allen Intensivist Group LLCLima, OH · 16 clinicians
Hospital affiliation
- Lima Memorial Health SystemLima, OH
Industry payments (Open Payments)
- 2025$378.78 · 10 payments from 2 companies
- 2024$300.26 · 9 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $209.55 | 2 |
| Abbvie Inc. | $169.23 | 8 |
What the 2025 payments were for
- Food and Beverage$378.78 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other acute care nurse practitioners in Lima
- 1154694818
- 1225517196
- 1306487830
- 1346860806
- 1356022933
- 1356616106
- 1407535495
- 1437454873
- 1548724602
- 1558996470
- 1922305044
- 1932717725
All 24 acute care nurse practitioners in Lima · All acute care nurse practitioners in Ohio