Are you Dr. O'brien? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 536 Cottonwood Rd, Suite 100, Bozeman, MT 59718
About Dr. 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. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, injection, triamcinolone acetonide, not otherwise specified, 10 mg, and aspiration and/or injection of fluid from large joint. The provider's National Provider Identifier (NPI) is 1922008374.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (406) 586-8029
- Email not available
Practice Locations
536 COTTONWOOD RD SUITE 100
Bozeman, MT 59718
Conditions Commonly Evaluated or Treated
Within Orthopedic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
2,241 services · 1,206 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
352 | More often than most peers in Orthopedic Surgery |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
24 | As often as other peers in Orthopedic Surgery |
| Repair of knee joint with drilling and or scraping of joint using an endoscope | Procedure | 29879 |
17 | Too few peers to compare |
| X-ray of knee, 3 views | Imaging | 73562 |
198 | More often than most peers in Orthopedic Surgery |
| X-ray of knee, 4 or more views | Imaging | 73564 |
181 | More often than most peers in Orthopedic Surgery |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
71 | As often as other peers in Orthopedic Surgery |
| X-ray of shoulder blade | Imaging | 73010 |
71 | As often as other peers in Orthopedic Surgery |
| X-ray of hip, 2-3 views | Imaging | 73502 |
56 | More often than most peers in Orthopedic Surgery |
| Mri scan of leg joint without contrast | Imaging | 73721 |
33 | More often than most peers in Orthopedic Surgery |
| Mri scan of arm joint without contrast | Imaging | 73221 |
16 | Less often than most peers in Orthopedic Surgery |
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 6
Same specialty, same city.
More connections — 23 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 7
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. That is the designation recorded for this NPI in the federal registry, where it is listed 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. Contact the office directly to confirm availability and scheduling.
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.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.