Patrick William O'Brien, PA
- Medicare patients, 2024
- 85
- Part D claims, 2024
- 103
- Hospital affiliations
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 402 East Second Street, Duluth, MN 55805
- Practice phone
- Call (218) 786-3574
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Patrick 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.
Patrick William O'Brien is a surgical physician assistant in Duluth, Minnesota
Patrick O'Brien practices at Essentia Health-St. Mary's Medical Center in Duluth, Minnesota, part of Essentia Health.
Patrick O'Brien's NPI, 1124076757, was assigned on May 5, 2006. Patrick O'Brien holds Arizona license 1320.
- NPI
- 1124076757NPI Registry (opens in a new tab)
- NPI enumeration date
- May 5, 2006
- NPI status
- Active
- Practice phone
- (218) 786-3574
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Patrick William O'Brien practices at 2 locations in Duluth, Minnesota
Patrick O'Brien's primary practice is Essentia Health-St. Mary's Medical Center, at 402 East Second Street, Duluth, MN 55805 in St. Louis County. The practice phone is (218) 786-3574. The NPI Registry lists Patrick O'Brien's practice address as 407 E 3rd St, Duluth, MN 55805.
- Essentia Health-St. Mary's Medical CenterPrimary402 East Second Street, Duluth, MN 55805 · St. Louis CountyPhone(218) 786-3574
- NPI Registry address407 E 3rd St, Duluth, MN 55805 · Saint Louis County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Patrick William O'Brien is affiliated with 3 sites of care and 1 medical group
Patrick O'Brien's primary practice is Essentia Health-St. Mary's Medical Center in Duluth, Minnesota, part of Essentia Health. The medical group on file is Essentia Health-St. Mary's Medical Center. Dmand AI also links Patrick O'Brien to 1 more group practice or clinic and 1 urgent care center, each named with a free account. Patrick O'Brien's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Patrick William O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Patrick O'Brien practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Essentia Health-St. Mary's Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Patrick William O'Brien is one of 172 surgical physician assistants in Minnesota
Surgical is Patrick O'Brien's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Dmand AI has Patrick O'Brien's licenses on file in 2 states: Arizona and Missouri.
Specialties and state licenses
- Surgical physician assistant, ArizonaPrimary
- Physician assistant, Missouri
Surgical physician assistants near Patrick O'Brien
Counts of surgical physician assistants 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
Patrick William O'Brien treated 85 Medicare patients in 2024, average age 70
CMS counts 85 Medicare patients who saw Patrick O'Brien in 2024. The largest group is 65 to 74, with 25 patients. 61% of them have high blood pressure, and 59% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Patrick O'Brien's median patient age at 63, with 100% women.
Patrick O'Brien's Medicare patients by age, 2024
Patrick O'Brien's Medicare patients by sex, 2024
- Women3946%
- Men4654%
Chronic conditions among Patrick O'Brien's Medicare patients, 2024
- High blood pressure61%
- High cholesterol59%
- Arthritis47%
- Mood disorders42%
- Depression40%
- Anxiety33%
- Diabetes25%
- Ischemic heart disease24%
Share of Medicare patients with each condition. A patient can have several.
Patrick 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 63
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Patrick William O'Brien wrote 103 Medicare Part D claims in 2024
In 2024, Patrick O'Brien wrote 103 Medicare Part D claims for 80 patients. 96% of them were for generic drugs.
Patrick O'Brien's Part D claims by kind of drug, 2024
- Generic99 claims96%
- Brand-name and other4 claims4%
Drug classes CMS tracks in Patrick O'Brien's Part D claims, 2024
- Opioids26%27 of 103 claims
- Antibiotics37%38 of 103 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for Patrick William 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 (CMS) (opens in a new tab) |
| 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 Patrick William 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 Patrick William O'Brien's NPI number?
Patrick William O'Brien's NPI number is 1124076757. It was assigned on May 5, 2006, and it is active in the NPI Registry.
What does Patrick William O'Brien specialize in?
Patrick William O'Brien is a surgical physician assistant in Duluth, Minnesota. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Patrick William O'Brien practice?
Patrick O'Brien practices at 402 East Second Street, Duluth, MN 55805. Patrick O'Brien also practices at 407 E 3rd St, Duluth, MN 55805. Patrick O'Brien's primary practice is Essentia Health-St. Mary's Medical Center in Duluth, Minnesota, part of Essentia Health. Dmand AI also links Patrick O'Brien to 1 group practice or clinic and 1 urgent care center.
What is Patrick William O'Brien's office phone number?
The practice phone on file for Patrick O'Brien is (218) 786-3574.
What is Patrick William O'Brien's medical license number?
Patrick O'Brien holds Arizona license 1320, one of the licenses on file in 2 states.
Which states has Patrick William O'Brien been licensed in?
Dmand AI has state licenses on file for Patrick O'Brien in Arizona and Missouri.
Which hospitals is Patrick William O'Brien affiliated with?
Patrick O'Brien practices at Essentia Health-St. Mary's Medical Center in Duluth, Minnesota.
What medical group is Patrick William O'Brien part of?
Patrick O'Brien is linked to Essentia Health-St. Mary's Medical Center.
How many Medicare patients does Patrick William O'Brien see?
CMS counts 85 Medicare patients who saw Patrick O'Brien in 2024, with an average age of 70.
How long has Patrick William O'Brien been practicing?
Patrick O'Brien graduated from medical school in 1986, 40 years ago.
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