Isabella M. Satterthwait, PA-C
NPI 1437625662ActiveIndividual· Physician Assistant· Caldwell, ID
Physician Assistant (PA-C) with Saint Alphonsus Regional Medical Center Inc, practicing in Caldwell, Idaho. Their prescriptions cost Medicare Part D more than their services did: $1,069,697 for 713 claims, against $34,235 paid for services in 2024. Incyte Corporation was the largest of 18 companies reporting payments in 2025, $720.45 in all, mostly food and beverage. Lists Saint Alphonsus Medical Center - Nampa and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1437625662 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 15, 2018 |
| Last updated in NPPES | Jan 25, 2021 |
| Certified by provider | Jan 25, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA-1659 | ID |
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 (ID) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 206 |
|---|---|
| Services billed | 475 across 5 procedure codes |
| Paid by Medicare | $34,235 |
Part D prescriptions in 2024
| Prescriptions (claims) | 713 · 957 30-day fills |
|---|---|
| Patients | 205 |
| Total drug cost | $1,069,697 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Saint Alphonsus Regional Medical Center IncBoise, ID · 680 clinicians
Hospital affiliations
- Saint Alphonsus Medical Center - NampaNampa, ID
- Saint Alphonsus Regional Medical CenterBoise, ID
- West Valley Medical CenterCaldwell, ID
Industry payments (Open Payments)
- 2025$720.45 · 28 payments from 18 companies
- 2024$1,118 · 55 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $99.00 | 1 |
| Genentech USA, Inc. | $93.54 | 4 |
| Takeda Pharmaceuticals U.S.A., Inc. | $89.61 | 4 |
| Daiichi Sankyo Inc. | $71.67 | 3 |
| Astrazeneca Pharmaceuticals LP | $64.71 | 2 |
What the 2025 payments were for
- Food and Beverage$621.45 · 27 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 physician assistants in Caldwell · All physician assistants in Idaho