Katelyn Myllymaki-Keller, PA-C
NPI 1912522483ActiveIndividual· Physician Assistant· Great Falls, MT
Physician Assistant (PA-C) with Benefis Hospitals Inc, practicing in Great Falls, Montana. In 2024 Medicare paid $18,903 for 226 patients, and Part D covered 220 of their prescriptions, 87% of them generic. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $102.65 in all, mostly food and beverage. Lists Benefis Hospitals Inc and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1912522483 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 10, 2020 |
| Last updated in NPPES | Apr 8, 2024 |
| Certified by provider | May 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 88018 | MT |
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 | 226 |
|---|---|
| Services billed | 390 across 42 procedure codes |
| Paid by Medicare | $18,903 |
Part D prescriptions in 2024
| Prescriptions (claims) | 220 · 250 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $16,948 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Benefis Hospitals IncGreat Falls, MT · 384 clinicians
Hospital affiliations
- Benefis Hospitals IncGreat Falls, MT
- Benefis Teton Medical CenterChoteau, MT
- Great Falls Clinic HospitalGreat Falls, MT
- Northern Montana HospitalHavre, MT
Industry payments (Open Payments)
- 2025$102.65 · 6 payments from 3 companies
- 2024$101.47 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $50.72 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $34.78 | 2 |
| Regeneron Healthcare Solutions, Inc. | $17.15 | 1 |
What the 2025 payments were for
- Food and Beverage$102.65 · 6 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