Dr. Patrick Joshua O'Brien, MD
- Medicare services, 2024
- 695
- Medicare patients, 2024
- 459
- Part D claims, 2024
- 14
- Hospital affiliations
- 3
- Industry payments
- $10,139
- Practice address
- 500 W Broadway, Missoula, MT 59802
- Practice phone
- Call (406) 543-7271
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Brien's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Patrick Joshua O'Brien is a vascular surgeon in Missoula, Montana
Dr. O'Brien practices at Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services.
Dr. O'Brien's NPI, 1942414040, was assigned on May 9, 2007. Dr. O'Brien graduated from JC Edwards School of Medicine, Marshall University in 2004. Dr. O'Brien holds Montana license 29427.
- NPI
- 1942414040NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476721317
- NPI enumeration date
- May 9, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (406) 543-7271
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Patrick Joshua O'Brien practices at Providence St. Patrick Hospital in Missoula, Montana
Dr. O'Brien's primary practice is Providence St. Patrick Hospital, at 500 W Broadway, Missoula, MT 59802 in Missoula County. The practice phone is (406) 543-7271.
- Providence St. Patrick Hospital500 W Broadway, Missoula, MT 59802 · Missoula CountyPhone(406) 543-7271
Source: Dmand AI Affiliation Data
Dr. Patrick Joshua O'Brien is affiliated with 4 sites of care and 1 medical group
Dr. O'Brien's primary practice is Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services. Dr. O'Brien is also affiliated with Bitterroot Health - Daly Hospital. The medical group on file is Providence St. Patrick Hospital. Dmand AI also links Dr. O'Brien to 1 more hospital and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Patrick Joshua O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Patrick Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Patrick Joshua O'Brien is one of 12 vascular surgeons in Montana
Vascular surgery is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. O'Brien is licensed in Montana.
Specialties and state licenses
- Vascular surgery, MontanaPrimary
Vascular surgeons near Dr. O'Brien
Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Patrick Joshua O'Brien billed Medicare for 695 services in 2024
CMS data shows 695 Medicare services from Dr. O'Brien across 18 procedure codes in 2024, for 459 Medicare patients. Medicare paid $71,224 for them.
Dr. O'Brien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 5622024: 39530%
- Office and hospital visits
- 2023: 3722024: 30019%
- Imaging
- 2023: 222024: 0100%
- Surgery
- 2023: 202024: 0100%
Where Dr. O'Brien's Medicare services took place, 2024
- In an office65294%
- In a facility436%
Dr. O'Brien compared with the Montana median for vascular surgeons, 2024
- Dr. O'Brien
- Montana median
- Medicare services
- 695vs 688Close to median
- Medicare patients
- 459vs 444Close to median
- Part D claims
- 48vs 48Close to median
Medians across 13 vascular surgeons in Montana with Dmand AI profiles that report each measure.
Dr. O'Brien's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. O'Brien?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Brien and other vascular surgeons in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Patrick Joshua O'Brien treated 459 Medicare patients in 2024, average age 74
CMS counts 459 Medicare patients who saw Dr. O'Brien in 2024. The largest group is 65 to 74, with 195 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.01, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 74, with 43% women.
Dr. O'Brien's Medicare patients by age, 2024
Dr. O'Brien's Medicare patients by sex, 2024
- Women18340%
- Men27660%
Chronic conditions among Dr. O'Brien's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease49%
- Arthritis48%
- Chronic kidney disease33%
- Diabetes31%
- Atrial fibrillation27%
- COPD25%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Patrick Joshua O'Brien wrote 14 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 14 Medicare Part D claims. 86% of them were for generic drugs. They cover 3 drugs, with $562 in total drug cost. In 2022, CMS named 20 claims across 1 drug.
Dr. O'Brien's Part D claims by kind of drug, 2024
- Generic12 claims86%
- Brand-name and other2 claims14%
Dr. O'Brien's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 202023: 48140%
Drugs named by CMS: 3 in 2023, 1 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Patrick Joshua O'Brien offers telehealth to Medicare patients
Dr. O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Brien as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Patrick Joshua O'Brien received $10,139 in industry payments from 2016 to 2024
CMS Open Payments shows 59 general payments to Dr. O'Brien from 8 drug and device companies from 2016 to 2024. Speaker and faculty fees make up the largest share, 47% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $5,271.
General payments to Dr. O'Brien by program year, 2016 to 2024
General payments to Dr. O'Brien by kind, 2016 to 2024
- Speaker and faculty fees$4,80047%
- Food and beverage$2,43124%
- Travel and lodging$2,18822%
- Education$3864%
- Consulting fees$3343%
Companies that paid Dr. O'Brien the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Patrick Joshua O'Brien graduated from JC Edwards School of Medicine, Marshall University
Dr. O'Brien graduated from JC Edwards School of Medicine, Marshall University in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Patrick Joshua O'Brien's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Patrick Joshua O'Brien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Patrick Joshua O'Brien's NPI number?
Dr. Patrick Joshua O'Brien's NPI number is 1942414040. It was assigned on May 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Patrick Joshua O'Brien?
Dr. Patrick Joshua O'Brien is a vascular surgeon in Missoula, Montana. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Patrick Joshua O'Brien practice?
Dr. O'Brien practices at 500 W Broadway, Missoula, MT 59802. Dr. O'Brien's primary practice is Providence St. Patrick Hospital in Missoula, Montana, part of Providence Health & Services. Dmand AI also links Dr. O'Brien to 1 hospital and 1 home health agency.
What is Dr. Patrick Joshua O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (406) 543-7271.
What is Dr. Patrick Joshua O'Brien's medical license number?
Dr. O'Brien holds Montana license 29427.
Which hospitals is Dr. Patrick Joshua O'Brien affiliated with?
Dr. O'Brien practices at Providence St. Patrick Hospital in Missoula, Montana. Dr. O'Brien is also affiliated with Bitterroot Health - Daly Hospital. Dmand AI links Dr. O'Brien to 1 more hospital.
What medical group is Dr. Patrick Joshua O'Brien part of?
Dr. O'Brien is linked to Providence St. Patrick Hospital.
Does Dr. Patrick Joshua O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 695 services in 2024, and Dr. O'Brien accepts Medicare assignment.
Does Dr. Patrick Joshua O'Brien offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. O'Brien as offering telehealth services.
How many Medicare patients does Dr. Patrick Joshua O'Brien see?
CMS counts 459 Medicare patients who saw Dr. O'Brien in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Patrick Joshua O'Brien bill to Medicare?
In 2024, Dr. O'Brien's most billed Medicare services were blood vessel study (93880), blood vessel study (93922) and office visit, new patient (99203).
Where did Dr. Patrick Joshua O'Brien go to medical school?
Dr. O'Brien graduated from JC Edwards School of Medicine, Marshall University in 2004.
What drugs does Dr. Patrick Joshua O'Brien prescribe most?
In 2023 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Cilostazol, Clopidogrel and Gabapentin.
Has Dr. Patrick Joshua O'Brien received payments from drug or device companies?
CMS Open Payments shows $10,139 in general payments to Dr. O'Brien from 8 companies from 2016 to 2024. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Patrick Joshua O'Brien been practicing?
Dr. O'Brien graduated from medical school in 2004, 22 years ago.
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