Alyssa D. Mrsny, PA-C
NPI 1366826109ActiveIndividual· Physician Assistant· Dakota Dunes, SD
Physician Assistant (PA-C) with Cnos PC, practicing in Dakota Dunes, South Dakota. Their prescriptions cost Medicare Part D more than their services did: $296,217 for 723 claims, against $102,046 paid for services in 2024. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $1,817 in all, mostly food and beverage. Lists St Lukes Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1366826109 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 10, 2015 |
| Last updated in NPPES | Oct 18, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1175 | SD |
| Physician Assistant | 363A00000X | 1926 | NE |
| Physician Assistant | 363A00000X | 0093943 | IA |
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 (IA); Practitioner - Physician Assistant (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 482 |
|---|---|
| Services billed | 4,830 across 42 procedure codes |
| Paid by Medicare | $102,046 |
Part D prescriptions in 2024
| Prescriptions (claims) | 723 · 828 30-day fills |
|---|---|
| Patients | 197 |
| Total drug cost | $296,217 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Cnos PCSioux City, IA · 99 clinicians
Hospital affiliation
- St Lukes Regional Medical CenterSioux City, IA
Industry payments (Open Payments)
- 2025$1,817 · 142 payments from 18 companies
- 2024$841.17 · 50 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $442.23 | 33 |
| Janssen Biotech, Inc. | $212.91 | 13 |
| Pfizer Inc. | $185.69 | 22 |
| Sun Pharmaceutical Industries Inc. | $144.60 | 11 |
| Novartis Pharmaceuticals Corporation | $136.85 | 24 |
What the 2025 payments were for
- Food and Beverage$1,762 · 141 payments
- Education$54.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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