Rosa Maria Marquez, PA-C
NPI 1114524378ActiveIndividual· Physician Assistant, Surgical· Dakota Dunes, SD
Physician Assistant, Surgical (PA-C) with Cnos PC, practicing in Dakota Dunes, South Dakota. Their prescriptions cost Medicare Part D more than their services did: $379,481 for 1,205 claims, against $46,086 paid for services in 2024. Amgen Inc. was the largest of 10 companies reporting payments in 2025, $741.44 in all, mostly food and beverage. Lists Buena Vista Regional Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1114524378 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 1, 2020 |
| Last updated in NPPES | Oct 1, 2020 |
| Certified by provider | Oct 1, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | — | — |
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 (NE); Practitioner - Physician Assistant (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 225 |
|---|---|
| Services billed | 1,063 across 27 procedure codes |
| Paid by Medicare | $46,086 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,205 · 1,839 30-day fills |
|---|---|
| Patients | 235 |
| Total drug cost | $379,481 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Cnos PCSioux City, IA · 99 clinicians
Hospital affiliations
- Buena Vista Regional Medical CenterStorm Lake, IA
- Cherokee Regional Medical CenterCherokee, IA
- Floyd Valley HealthcareLe Mars, IA
- Orange City Area Health SystemOrange City, IA
- St Lukes Regional Medical CenterSioux City, IA
Industry payments (Open Payments)
- 2025$741.44 · 42 payments from 10 companies
- 2024$662.27 · 42 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $175.81 | 15 |
| Janssen Biotech, Inc. | $158.52 | 7 |
| Abbvie Inc. | $134.74 | 8 |
| Ucb, Inc. | $71.25 | 3 |
| Novartis Pharmaceuticals Corporation | $64.11 | 3 |
What the 2025 payments were for
- Food and Beverage$684.45 · 41 payments
- Education$56.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Physician Assistant, Surgical providers in South Dakota →