Chad Nathaniel Sievers
NPI 1467935635ActiveIndividual· Physician Assistant· Great Falls, MT
Physician Assistant with Great Falls Clinic LLC and 1 other group, practicing in Great Falls, Montana. 397 Medicare patients in 2024, $28,689 paid; nearly all of their 445 Part D prescriptions were generic (95%). Exact Sciences Corporation was the largest of 4 companies reporting payments in 2025, $91.15 in all, mostly food and beverage. Lists Benefis Hospitals Inc and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1467935635 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Sep 12, 2018 |
| Last updated in NPPES | Apr 28, 2025 |
| Certified by provider | Apr 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 79074 | MT |
| Physician Assistant | 363A00000X | 7233 | AZ |
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 (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 397 |
|---|---|
| Services billed | 1,100 across 45 procedure codes |
| Paid by Medicare | $28,689 |
Part D prescriptions in 2024
| Prescriptions (claims) | 445 · 457 30-day fills |
|---|---|
| Patients | 300 |
| Total drug cost | $6,507 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Great Falls Clinic LLCGreat Falls, MT · 72 clinicians
- Logan Health - ShelbyShelby, MT · 20 clinicians
Hospital affiliations
- Benefis Hospitals IncGreat Falls, MT
- Great Falls Clinic HospitalGreat Falls, MT
- Logan Health - ShelbyShelby, MT
Industry payments (Open Payments)
- 2025$91.15 · 4 payments from 4 companies
- 2024$74.47 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $25.50 | 1 |
| Genzyme Corporation | $25.12 | 1 |
| Amgen Inc. | $21.80 | 1 |
| Iovance Biotherapeutics, Inc. | $18.73 | 1 |
What the 2025 payments were for
- Food and Beverage$91.15 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 physician assistants in Great Falls · All physician assistants in Montana