Physician Profile
Unclaimed ProfileAbout O'BRIEN
Timothy O'Brien, MD practices orthopedic surgery in Bozeman, MT. Timothy is a 1997 graduate of Warren Alpert Medical School of Brown University. Timothy is also listed as specializing in orthopaedic sports medicine. According to Medicare claims data, Timothy cared for 1,206 Medicare patients across 2,241 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (406) 586-8029
- Email not available
Practice Locations
536 COTTONWOOD RD SUITE 100
Bozeman, MT 59718
Procedures Most Often Billed to Medicare
2,241 services · 1,206 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
352 |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
24 |
| Repair of knee joint with drilling and or scraping of joint using an endoscope | Procedure | 29879 |
17 |
| X-ray of knee, 3 views | Imaging | 73562 |
198 |
| X-ray of knee, 4 or more views | Imaging | 73564 |
181 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
71 |
| X-ray of shoulder blade | Imaging | 73010 |
71 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
56 |
| Mri scan of leg joint without contrast | Imaging | 73721 |
33 |
| Mri scan of arm joint without contrast | Imaging | 73221 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopedic surgeons at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other orthopedic surgeons in Bozeman 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Warren Alpert Medical School of Brown University 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Warren Alpert Medical School of Brown University 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in MT who bill this service to Medicare most often.
Common questions
What is Dr. O'Brien's specialty?
Dr. O'Brien is an orthopedic surgeon in Bozeman, MT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
Where can I find Dr. O'Brien?
Dr. O'Brien is listed at 536 COTTONWOOD RD SUITE 100, Bozeman, MT 59718. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. O'Brien?
The number on file is (406) 586-8029. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Brien's NPI number?
Dr. O'Brien's National Provider Identifier is 1922008374. 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
What is Dr. O'Brien's medical education?
Dr. O'Brien attended Warren Alpert Medical School of Brown University, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. O'Brien been practicing?
Dr. O'Brien has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What is Dr. O'Brien known for?
According to Medicare billing data, Dr. O'Brien performs procedures including aspiration and/or injection of fluid from large joint, replacement of knee joint, both sides of knee and repair of knee joint with drilling and or scraping of joint using an endoscope; reads or performs imaging such as x-ray of knee, 3 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
Has Dr. O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.