Makenzie Marie Horn, PA-C
NPI 1275297467ActiveIndividual· Physician Assistant, Surgical· Billings, MT
Physician Assistant, Surgical (PA-C) with Billings Clinic Specialty Supplies and Services, LLC and 1 other group, practicing in Billings, Montana. 182 Medicare patients in 2024, $25,632 paid; nearly all of their 137 Part D prescriptions were generic (99%). Lilly USA, LLC was the largest of 3 companies reporting payments in 2025, $109.70 in all, mostly food and beverage. Lists Billings Clinic Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1275297467 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 25, 2021 |
| Last updated in NPPES | Feb 24, 2022 |
| Certified by provider | Feb 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | MED-PAC--LIC-102403 | MT |
| Physician Assistant | 363A00000X | MED-PAC-LIC-102403 | MT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 182 |
|---|---|
| Services billed | 542 across 34 procedure codes |
| Paid by Medicare | $25,632 |
Part D prescriptions in 2024
| Prescriptions (claims) | 137 · 151 30-day fills |
|---|---|
| Patients | 66 |
| Total drug cost | $2,787 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Billings Clinic Specialty Supplies and Services, LLCBillings, MT · 824 clinicians
- St Peters HealthHelena, MT · 199 clinicians
Hospital affiliations
- Billings Clinic HospitalBillings, MT
- St Peters HealthHelena, MT
Industry payments (Open Payments)
- 2025$109.70 · 6 payments from 3 companies
- 2024$52.95 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $80.04 | 4 |
| E.R. Squibb & Sons, L.L.C. | $15.60 | 1 |
| Incyte Corporation | $14.06 | 1 |
What the 2025 payments were for
- Food and Beverage$109.70 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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