Michael Thomas Arntsen, PA-C
NPI 1831823301ActiveIndividual· Physician Assistant· Topeka, KS
Physician Assistant (PA-C) with Cotton-O'Neil Clinic Revocable Trust, practicing in Topeka, Kansas. 204 Medicare patients in 2024, $23,369 paid; all of their 81 Part D prescriptions were generic. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $1,200 in all, mostly travel and lodging. Lists Ascension Via Christi Hospital Manhattan, Inc and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1831823301 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 12, 2022 |
| Last updated in NPPES | Sep 8, 2026 |
| Certified by provider | Sep 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 15-02789 | KS |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | MA |
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 - Physician Assistant (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 204 |
|---|---|
| Services billed | 416 across 56 procedure codes |
| Paid by Medicare | $23,369 |
Part D prescriptions in 2024
| Prescriptions (claims) | 81 · 82 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $519.65 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Cotton-O'Neil Clinic Revocable TrustTopeka, KS · 666 clinicians
Hospital affiliations
- Ascension Via Christi Hospital Manhattan, IncManhattan, KS
- Community Hospital, Onaga and St Marys CampusOnaga, KS
- Newman Regional HealthEmporia, KS
- Stormont Vail Health Flint Hills, LLCJunction City, KS
- Stormont Vail HospitalTopeka, KS
Industry payments (Open Payments)
- 2025$1,200 · 8 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $1,177 | 7 |
| Bioventus LLC | $22.83 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,010 · 4 payments
- Food and Beverage$189.63 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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