Mary Patricia Obrien, RPAC
- Medicare patients, 2024
- 21
- Part D claims, 2024
- 267
- MIPS score, 2024
- 83
- Hospital affiliations
- 2
- Medical groups
- 4
- Practice address
- 411 Canisteo Street, Hornell, NY 14843
- Practice phone
- Call (607) 324-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mary Obrien'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.
Mary Patricia Obrien is a physician assistant in Hornell, New York
Mary Obrien practices at St. James Hospital in Hornell, New York, part of University of Rochester Medical Center.
Mary Obrien's NPI, 1699969295, was assigned on August 28, 2007. Mary Obrien holds New York license 005470-1.
- NPI
- 1699969295NPI Registry (opens in a new tab)
- NPI enumeration date
- August 28, 2007
- NPI status
- Active
- Practice phone
- (607) 324-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Mary Patricia Obrien practices at St. James Hospital in Hornell, New York
Mary Obrien's primary practice is St. James Hospital, at 411 Canisteo Street, Hornell, NY 14843 in Steuben County. The practice phone is (607) 324-8000.
- St. James Hospital411 Canisteo Street, Hornell, NY 14843 · Steuben CountyPhone(607) 324-8000
Source: Dmand AI Affiliation Data
Mary Patricia Obrien is affiliated with 2 sites of care and 4 medical groups
Mary Obrien's primary practice is St. James Hospital in Hornell, New York, part of University of Rochester Medical Center. Mary Obrien is also affiliated with Cuba Memorial Hospital. The medical group on file is Cuba Memorial Hospital. Dmand AI also links Mary Obrien to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary Patricia Obrien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Obrien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. James Hospital | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary Patricia Obrien is one of 11,456 physician assistants in New York
Physician assistant is Mary Obrien's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mary Obrien is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near Mary Obrien
Counts of 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
Mary Patricia Obrien treated 21 Medicare patients in 2024, average age 67
CMS counts 21 Medicare patients who saw Mary Obrien in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high cholesterol, and 62% have high blood pressure. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mary Obrien's median patient age at 35, with 57% women.
Mary Obrien's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Mary Obrien's Medicare patients, 2024
- High cholesterol75%
- High blood pressure62%
Share of Medicare patients with each condition. A patient can have several.
Mary Obrien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary Patricia Obrien wrote 267 Medicare Part D claims in 2024
In 2024, Mary Obrien wrote 267 Medicare Part D claims for 193 patients. 94% of them were for generic drugs.
Mary Obrien's Part D claims by kind of drug, 2024
- Generic252 claims94%
- Brand-name15 claims6%
Drug classes CMS tracks in Mary Obrien's Part D claims, 2024
- Antibiotics58%154 of 267 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
Mary Patricia Obrien scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Mary Obrien for performance year 2024, reported as part of a group.
Mary Obrien's MIPS scores, performance year 2024
- 83of 100Final score
- 60of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Mary Patricia Obrien'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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 Mary Patricia Obrien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Patricia Obrien's NPI number?
Mary Patricia Obrien's NPI number is 1699969295. It was assigned on August 28, 2007, and it is active in the NPI Registry.
What does Mary Patricia Obrien specialize in?
Mary Patricia Obrien is a physician assistant in Hornell, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mary Patricia Obrien practice?
Mary Obrien practices at 411 Canisteo Street, Hornell, NY 14843. Mary Obrien's primary practice is St. James Hospital in Hornell, New York, part of University of Rochester Medical Center. Dmand AI also links Mary Obrien to 3 medical groups.
What is Mary Patricia Obrien's office phone number?
The practice phone on file for Mary Obrien is (607) 324-8000.
What is Mary Patricia Obrien's medical license number?
Mary Obrien holds New York license 005470-1.
Which hospitals is Mary Patricia Obrien affiliated with?
Mary Obrien practices at St. James Hospital in Hornell, New York. Mary Obrien is also affiliated with Cuba Memorial Hospital.
What medical group is Mary Patricia Obrien part of?
Mary Obrien is linked to Cuba Memorial Hospital. Dmand AI links Mary Obrien to 3 more medical groups.
What is Mary Patricia Obrien's MIPS score?
Mary Obrien's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Mary Patricia Obrien see?
CMS counts 21 Medicare patients who saw Mary Obrien in 2024, with an average age of 67.
How long has Mary Patricia Obrien been practicing?
Mary Obrien graduated from medical school in 1995, 31 years ago.
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