Katherine Elaine O'Leary, PA-C
- Medicare patients, 2024
- 154
- Part D claims, 2024
- 4,292
- Hospital affiliations
- 1
- Industry payments
- $26
- Medical groups
- 3
- Practice address
- One Hospital Way, Butler, PA 16001
- Practice phone
- Call (724) 284-4403
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Katherine O'Leary'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.
Katherine Elaine O'Leary is a physician assistant in Butler, Pennsylvania
Katherine O'Leary practices at Butler Memorial Hospital in Butler, Pennsylvania, part of West Virginia University Health System.
Katherine O'Leary's NPI, 1952830994, was assigned on June 5, 2017.
- NPI
- 1952830994NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830469733
- NPI enumeration date
- June 5, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (724) 284-4403
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine Elaine O'Leary practices at 2 locations in Butler, Pennsylvania
Katherine O'Leary's primary practice is Butler Memorial Hospital, at One Hospital Way, Butler, PA 16001 in Butler County. The practice phone is (724) 284-4403. Katherine O'Leary also practices at Butler Memorial Hospital, 1 Hospital Way, Butler, PA 16001.
- Butler Memorial HospitalPrimaryOne Hospital Way, Butler, PA 16001 · Butler CountyPhone(724) 284-4403
- Butler Memorial Hospital1 Hospital Way, Butler, PA 16001 · Butler CountyPhone(724) 284-4467
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Katherine Elaine O'Leary is affiliated with 3 sites of care and 3 medical groups
Katherine O'Leary's primary practice is Butler Memorial Hospital in Butler, Pennsylvania, part of West Virginia University Health System. The medical group on file is BHS Benbrook Gastroenterology Associates. Dmand AI also links Katherine O'Leary to 2 more group practices and clinics and 2 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 Katherine Elaine O'Leary's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine O'Leary practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Butler Memorial Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across West Virginia University Health System and 6.2K+ hospitals, with verified contacts in the same login.
Katherine Elaine O'Leary is one of 6,491 physician assistants in Pennsylvania
Physician assistant is Katherine O'Leary's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
- Surgical physician assistant
Physician assistants near Katherine O'Leary
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
Katherine Elaine O'Leary treated 154 Medicare patients in 2024, average age 73
CMS counts 154 Medicare patients who saw Katherine O'Leary in 2024. The largest group is 65 to 74, with 80 patients. 75% of them have high cholesterol, and 68% 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 Katherine O'Leary's median patient age at 76, with 42% women.
Katherine O'Leary's Medicare patients by age, 2024
Katherine O'Leary's Medicare patients by sex, 2024
- Women6945%
- Men8555%
Chronic conditions among Katherine O'Leary's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis45%
- Diabetes32%
- Mood disorders23%
- Ischemic heart disease22%
- Anxiety21%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Katherine O'Leary's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Katherine Elaine O'Leary wrote 4,292 Medicare Part D claims in 2024
In 2024, Katherine O'Leary wrote 4,292 Medicare Part D claims for 393 patients. 88% of them were for generic drugs.
Katherine O'Leary's Part D claims by kind of drug, 2024
- Generic3,760 claims88%
- Brand-name493 claims11%
- Other39 claims1%
Drug classes CMS tracks in Katherine O'Leary's Part D claims, 2024
- Opioids1%63 of 4,292 claims
- Antibiotics3%121 of 4,292 claims
- Antipsychotics, patients 65 and over0%18 of 4,292 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
How Katherine Elaine O'Leary takes part in Medicare
Katherine O'Leary accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Katherine Elaine O'Leary received $26 in industry payments in 2025
CMS Open Payments shows 1 general payment to Katherine O'Leary from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Becton, Dickinson and Company paid the most, $26.
Companies that paid Katherine O'Leary the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Katherine Elaine O'Leary'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Katherine Elaine O'Leary
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katherine Elaine O'Leary's NPI number?
Katherine Elaine O'Leary's NPI number is 1952830994. It was assigned on June 5, 2017, and it is active in the NPI Registry.
What does Katherine Elaine O'Leary specialize in?
Katherine Elaine O'Leary is a physician assistant in Butler, Pennsylvania. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Katherine Elaine O'Leary practice?
Katherine O'Leary practices at One Hospital Way, Butler, PA 16001. Katherine O'Leary also practices at 1 Hospital Way, Butler, PA 16001. Katherine O'Leary's primary practice is Butler Memorial Hospital in Butler, Pennsylvania, part of West Virginia University Health System. Dmand AI also links Katherine O'Leary to 2 group practices and clinics and 2 medical groups.
What is Katherine Elaine O'Leary's office phone number?
The practice phone on file for Katherine O'Leary is (724) 284-4403.
Which hospitals is Katherine Elaine O'Leary affiliated with?
Katherine O'Leary practices at Butler Memorial Hospital in Butler, Pennsylvania.
What medical group is Katherine Elaine O'Leary part of?
Katherine O'Leary is linked to BHS Benbrook Gastroenterology Associates. Dmand AI links Katherine O'Leary to 2 more medical groups.
Does Katherine Elaine O'Leary accept Medicare?
Yes. CMS lists Katherine O'Leary as accepting Medicare assignment.
How many Medicare patients does Katherine Elaine O'Leary see?
CMS counts 154 Medicare patients who saw Katherine O'Leary in 2024, with an average age of 73.
Has Katherine Elaine O'Leary received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Katherine O'Leary from 1 company from 2025 to 2025. The largest total came from Becton, Dickinson and Company.
How long has Katherine Elaine O'Leary been practicing?
Katherine O'Leary graduated from medical school in 2017, 9 years ago.
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