Kadison Orenstein
NPI 1487305066ActiveIndividual· Physician Assistant· Knoxville, TN
Physician Assistant with Orthotennessee PC, practicing in Knoxville, Tennessee. 376 Medicare patients in 2024, $41,028 paid; nearly all of their 408 Part D prescriptions were generic (97%). Radius Health, Inc. was the largest of 3 companies reporting payments in 2025, $62.31 in all, mostly food and beverage. Lists Physicians Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1487305066 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jan 14, 2022 |
| Last updated in NPPES | Jan 15, 2026 |
| Certified by provider | Jan 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | TN |
| Physician Assistant, Surgical | 363AS0400X | — | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 376 |
|---|---|
| Services billed | 1,355 across 60 procedure codes |
| Paid by Medicare | $41,028 |
Part D prescriptions in 2024
| Prescriptions (claims) | 408 · 408 30-day fills |
|---|---|
| Patients | 273 |
| Total drug cost | $21,086 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Orthotennessee PCKnoxville, TN · 153 clinicians
Hospital affiliations
- Physicians Regional Medical CenterPowell, TN
- University Health System, IncKnoxville, TN
Industry payments (Open Payments)
- 2025$62.31 · 3 payments from 3 companies
- 2024$172.88 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Radius Health, Inc. | $21.97 | 1 |
| Acera Surgical, Inc. | $20.23 | 1 |
| Ipsen Biopharmaceuticals, Inc | $20.11 | 1 |
What the 2025 payments were for
- Food and Beverage$62.31 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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