Patrick Joshua O'Brien, MD
Vascular Surgery Physician · Missoula, MT
Patrick Joshua O'Brien, MD is a vascular surgery physician with a practice address in Missoula, Montana, and NPI 1942414040, issued on May 9, 2007. Check the license (Montana 29427, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Patrick Joshua O'Brien
- Credential
- MD
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- 29427 MT
Self-reported in NPPES; status is on the state search - Practice location
- 500 W Broadway St Ste 320, Missoula, MT 59802
- Phone
- (406) 329-5615
- Enumerated
- May 9, 2007
- Record last updated
- Jun 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140220000147); accepts Medicare assignment
- Medical or professional school
- Jc Edwards School Of Medicine, Marshall University, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 13 in Montana → Look up another NPI →
Also registered at 500 W Broadway St Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Ashbrook, PA-CPhysician Assistant1730521477
- George Bandow, MDCardiovascular Disease Physician1003865171
- Puneet Bansal, M.D.Cardiovascular Disease Physician1417230855
- Matthew Barton, PA-CPhysician Assistant1306394226
- Megan Boswell, FNP-CFamily Nurse Practitioner1164178349
- Mallory Buck, APRNGerontology Nurse Practitioner1881145050
Verify Patrick Joshua O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 29427Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average vascular surgery physician in 2024
14 Medicare Part D claims, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $60.04
2 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Health And Services MtMissoula, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Joshua O'Brien among 13 vascular surgery physician records in Montana
Patrick Joshua O'Brien, MD is one of 13 vascular surgery physician records with a practice address in Montana. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 46% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 92% of these records are
- Graduated2004 · median 2001 among the 12 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Montana
There are 13 vascular surgery physician records in Montana.
All 13 in Montana → Every provider in Missoula → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Jason Hurd, M.D.Missoula, MT 598021093081150
- Steven Marincel, MDMissoula, MT 598021477013886
- Michael Rohrer, M.D.Missoula, MT 598021881675882
- David Fortenberry, M.D.Dillon, MT 597251215090774
- John Craig, MDKalispell, MT 599011013957695
- Bennett Dykstra, M.D.Kalispell, MT 599011003979550
- Michael Orcutt, MDGreat Falls, MT 594051780685636
- Kevin Bruen, M.D.Billings, MT 591011427221886
Common questions
What is Patrick Joshua O'Brien, MD's NPI number?
Patrick Joshua O'Brien, MD's National Provider Identifier (NPI) is 1942414040, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Joshua O'Brien, MD located?
The NPPES record lists a practice address at 500 W Broadway St Ste 320, Missoula, MT, 59802. Phone: (406) 329-5615. Providers update this record themselves, so call before visiting.
How can I verify Patrick Joshua O'Brien, MD's license?
NPPES lists Montana license number 29427, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patrick Joshua O'Brien, MD prescribe under Medicare Part D?
In 2024, Patrick Joshua O'Brien, MD had 14 Medicare Part D claims; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
What is Patrick Joshua O'Brien, MD's MIPS final score?
The 2023 MIPS final score is 85.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.