Are you Dr. O'brien? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Patrick J. O'Brien, MD
- Missoula location main office
500 W Broadway St Ste 320, Missoula, MT 59802 - Missoula location
902 N Orange St, Missoula, MT 59802
About Dr. O'brien
Based in Missoula, MT, Patrick J. O'Brien, MD is listed in the NPI registry under vascular surgery. Patrick graduated from Jc Edwards School of Medicine, Marshall University in 2004. According to Medicare claims data, Patrick cared for 657 Medicare patients across 695 services. The services billed most often include ultrasound of both sides of head and neck blood flow, ultrasound study of arm and leg arteries, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. NPI 1942414040 identifies this record in the national registry.
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) 329-5615
- Email not available
Practice Locations
500 W BROADWAY ST STE 320
Missoula, MT 59802
902 N Orange St
Missoula, MT 59802
Conditions Commonly Evaluated or Treated
Within Vascular 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
Aneurysms
- Groin Artery Bulge
- Knee Artery Aneurysm
- Visceral Artery Aneurysm
Aortic disease
Artery conditions
- Buerger's Disease
- Pelvic Artery Blockage
Artery disease
- Cold Sensitive Fingers and Toes
- Fibromuscular Dysplasia
- Mesenteric ischemia
- Narrow kidney artery
- Subclavian Steal Syndrome
Artery inflammation
Blood clots
- Blood Clot in Arm or Leg
- Blood Clot in Lung
- Long-Term Leg Swelling After Clot
Congenital vascular disorders
Dialysis
- Dialysis Access Problems
Digestive & abdominal
- Stomach Pain After Eating From Arteries
Emergencies
- Acute Leg Compartment Syndrome
Foot & toe conditions
- Blue Toe Syndrome
Leg & foot pain
- Leg Cramps When Walking
- Non-Healing Foot Sores From Poor Blood Flow
- Restless legs syndrome
Nerve & vessel compression
- Nutcracker Syndrome
- Popliteal Artery Entrapment
- Thoracic outlet syndrome
Skin & vein conditions
- Leg Skin Discoloration From Veins
Vascular malformations
- Klippel-Trenaunay Syndrome
Vascular tumors
- Carotid Body Tumor
Vein conditions
Vein disease
Wounds & sores
- Arterial Leg Ulcer
Wounds & ulcers
- Diabetic foot ulcer
- Gangrene
- Venous Leg Ulcers
Procedures & services
Most searched procedures
- Bypass surgery
- Carotid endarterectomy
- Sclerotherapy
- Spider vein removal
- Varicose vein treatment
- Vein ablation
Amputation surgery
- Below-Knee Leg Amputation
Aneurysm repair
- Complex Branched Aortic Aneurysm Repair
- Minimally Invasive Aneurysm Repair
- Open Aortic Aneurysm Surgery
- Popliteal Aneurysm Repair
- Pseudoaneurysm Injection Repair
- Thoracic Endovascular Aortic Repair
- Visceral Aneurysm Coiling
Artery procedures
- Atherectomy
- Balloon Angioplasty for Legs
- Carotid Artery Stent
- Leg Artery Stent
- Limb Salvage Surgery
- Mesenteric Artery Stenting
- Renal artery stenting
- Transcarotid Artery Revascularization
Artery surgery
- Groin Artery Plaque Removal
Blood clot treatments
- Pulmonary Embolism Clot Removal
Blood clots
- Blood Clot Removal Surgery
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Diagnostic procedures
- Temporal Artery Biopsy
Diagnostic tests
- Abdominal Aortic Aneurysm Ultrasound Screening
- Vein Mapping Ultrasound
Dialysis access
- Dialysis Fistula Surgery
- Dialysis Graft Placement
- Fistula Repair and Declotting
Emergency surgery
- Fasciotomy for Leg Swelling
Imaging & diagnostics
- Carotid Ultrasound
- Leg Circulation Test (ABI and Arterial Doppler)
- Leg Vein Ultrasound
- Peripheral Angiogram
Nerve & vessel compression
Nerve surgery
Vascular access
- Chemo port placement
- Chemo port removal
- Dialysis Catheter Removal
- Tunneled Dialysis Catheter Placement
Vascular malformation treatments
- Vascular Malformation Embolization
Vein procedures
- Ambulatory Phlebectomy
- Iliac Vein Stenting
- Pelvic Vein Embolization
- Varicose vein removal
Vein treatments
- Medical Compression Stocking Fitting
- Microfoam Vein Injection
- Vein Glue Closure
Wound care
- Surgical Wound Care
- Toe or Partial Foot Amputation
Procedures Most Often Billed to Medicare
695 services · 657 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
153 | More often than most peers in Vascular Surgery |
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
85 | As often as other peers in Vascular Surgery |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93978 |
53 | More often than most peers in Vascular Surgery |
| Ultrasound of one leg arteries or artery grafts | Treatment | 93926 |
31 | As often as other peers in Vascular Surgery |
| Ultrasound of hemodialysis access | Treatment | 93990 |
19 | Less often than most peers in Vascular Surgery |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
16 | Less often than most peers in Vascular Surgery |
| Complete ultrasound of abdomen and pelvis artery and vein blood flow | Treatment | 93975 |
14 | Less often than most peers in Vascular Surgery |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
12 | Less often than most peers in Vascular Surgery |
| Ultrasound of leg arteries or artery grafts | Treatment | 93925 |
12 | Less often than most peers in Vascular Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
79 | More often than most peers in Vascular 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 vascular surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 19 related providers in 4 groups
Other vascular surgeons in Missoula 2
Same specialty, same city.
Trained at Jc Edwards School of Medicine, Marshall University 6
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Jc Edwards School of Medicine, Marshall University 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound of both sides of head and neck blood flow 3
Providers in MT who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. O'Brien?
Dr. O'Brien is a vascular surgeon in Missoula, MT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular Surgery”.
NPI registry
What is Dr. O'Brien's address?
Dr. O'Brien is listed at 500 W Broadway St Ste 320, Missoula, MT 59802. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. O'Brien?
The number on file is (406) 329-5615. 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 1942414040. 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
Where did Dr. O'Brien train?
Dr. O'Brien attended Jc Edwards School of Medicine, Marshall University, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. O'Brien been practicing?
Dr. O'Brien has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. O'Brien perform?
According to Medicare billing data, Dr. O'Brien provides treatments such as ultrasound of both sides of head and neck blood flow and ultrasound study of arm and leg arteries, 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.