Brennen Larsen, PA-C
NPI 1740659010ActiveIndividual· Physician Assistant· Rexburg, ID
Physician Assistant (PA-C) with Fall River Medical PLLC, practicing in Rexburg, Idaho. Their prescriptions cost Medicare Part D more than their services did: $22,000 for 411 claims, against $9,036 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $44.68 in all, mostly food and beverage. Lists Madison Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1740659010 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Sep 17, 2015 |
| Last updated in NPPES | Nov 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 6141 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 100 |
|---|---|
| Services billed | 471 across 46 procedure codes |
| Paid by Medicare | $9,036 |
Part D prescriptions in 2024
| Prescriptions (claims) | 411 · 536 30-day fills |
|---|---|
| Patients | 123 |
| Total drug cost | $22,000 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Fall River Medical PLLCRexburg, ID · 8 clinicians
Hospital affiliation
- Madison Memorial HospitalRexburg, ID
Industry payments (Open Payments)
- 2025$44.68 · 3 payments from 2 companies
- 2024$48.45 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $30.52 | 2 |
| Lilly USA, LLC | $14.16 | 1 |
What the 2025 payments were for
- Food and Beverage$44.68 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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