Tysen Timmer, MD
NPI 1134614019ActiveIndividual· Orthopaedic Surgery· Great Falls, MT
Orthopaedic Surgery (MD) in Great Falls, Montana, trained at University of Washington School of Medicine (class of 2018). 150 Medicare patients in 2024, $56,009 paid; all of their 53 Part D prescriptions were generic. Zimmer Biomet Holdings, Inc. was the largest of 2 companies reporting payments in 2025, $6,934 in all, mostly travel and lodging.
Overview
| NPI | 1134614019 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 24, 2018 |
| Last updated in NPPES | Apr 4, 2024 |
| Certified by provider | Apr 4, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 127303 | MT |
| Student in an Organized Health Care Education/Training Program | 390200000X | RL15177 | ND |
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 - Orthopedic Surgery (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 150 |
|---|---|
| Services billed | 1,343 across 52 procedure codes |
| Paid by Medicare | $56,009 |
Part D prescriptions in 2024
| Prescriptions (claims) | 53 · 56 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $402.40 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Benefis Hospitals IncGreat Falls, MT · 384 clinicians
Hospital affiliations
- Benefis Hospitals IncGreat Falls, MT
- Benefis Teton Medical CenterChoteau, MT
- Logan Health - ShelbyShelby, MT
- Missouri River Medical CenterFort Benton, MT
- Pondera Medical CenterConrad, MT
Other facilities
- Benefis Community Care IncHome health agency · Great Falls, MT
Industry payments (Open Payments)
- 2025$6,934 · 38 payments from 2 companies
- 2024$3,584 · 14 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $6,856 | 37 |
| Stryker Corporation | $77.90 | 1 |
What the 2025 payments were for
- Travel and Lodging$4,223 · 10 payments
- Food and Beverage$2,634 · 27 payments
- Education$77.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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