Sienna Klopp, PA-C
NPI 1124770284ActiveIndividual· Physician Assistant· Flagstaff, AZ
Physician Assistant (PA-C) with Center for Orthopedic Research and Education LLC, practicing in Flagstaff, Arizona. 145 Medicare patients in 2024, $30,616 paid; all of their 350 Part D prescriptions were generic. Vericel Corporation reported $16.12 in payments in 2025, mostly food and beverage. Lists Flagstaff Medical Center as a hospital affiliation.
Overview
| NPI | 1124770284 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Jan 20, 2022 |
| Last updated in NPPES | Feb 15, 2022 |
| Certified by provider | Feb 8, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 8939 | AZ |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Physician Assistant (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 145 |
|---|---|
| Services billed | 2,466 across 46 procedure codes |
| Paid by Medicare | $30,616 |
Part D prescriptions in 2024
| Prescriptions (claims) | 350 · 373 30-day fills |
|---|---|
| Patients | 132 |
| Total drug cost | $3,398 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Center for Orthopedic Research and Education LLCSun City, AZ · 250 clinicians
Hospital affiliation
- Flagstaff Medical CenterFlagstaff, AZ
Industry payments (Open Payments)
- 2025$16.12 · 1 payment from 1 company
- 2024$72.64 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vericel Corporation | $16.12 | 1 |
What the 2025 payments were for
- Food and Beverage$16.12 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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