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Dr. Willstein is an orthopaedic surgeon in Missoula, MT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Orthopaedic Surgery”.
NPI registry
Dr. Willstein is listed at 2360 MULLAN RD STE C, Missoula, MT 59808. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (406) 721-4436. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Willstein's National Provider Identifier is 1932154671. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Willstein has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
According to Medicare billing data, Dr. Willstein performs procedures including aspiration and/or injection of fluid from large joint, replacement of knee joint, both sides of knee and prosthetic repair of shoulder joint, total shoulder; reads or performs imaging such as x-ray of shoulder, minimum of 2 views and x-ray of knee, 4 or more views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Willstein. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
2360 MULLAN RD STE C
Missoula, MT 59808
12,300 services · 1,195 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
171 |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
40 |
| Prosthetic repair of shoulder joint, total shoulder | Procedure | 23472 |
40 |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
17 |
| Removal of knee cartilage using an endoscope | Procedure | 29881 |
12 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
170 |
| X-ray of knee, 4 or more views | Imaging | 73564 |
91 |
| X-ray of knee, 3 views | Imaging | 73562 |
72 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
63 |
| Mri scan of leg joint without contrast | Imaging | 73721 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileConnections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Same specialty, same street address — most likely the same department or group.
Clinically related specialties at the same address — the people this provider most likely works alongside.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Providers in MT who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.