Catherine D. O'Regan, APRN, CNP
- Medicare patients, 2024
- 245
- Part D claims, 2024
- 2,762
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 9201 E Mountain View Rd, Scottsdale, AZ 85258
- Practice phone
- Call (877) 564-3627
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Matrix Medical Network
Scottsdale, Arizona
Find Catherine O'Regan'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.
Catherine D. O'Regan is a family nurse practitioner in Scottsdale, Arizona
Catherine O'Regan practices at Matrix Medical Network in Scottsdale, Arizona.
Catherine O'Regan's NPI, 1861034498, was assigned on October 15, 2019. Catherine O'Regan holds Ohio license 025063.
- NPI
- 1861034498NPI Registry (opens in a new tab)
- NPI enumeration date
- October 15, 2019
- NPI status
- Active
- Practice phone
- (877) 564-3627
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Catherine D. O'Regan practices at Matrix Medical Network in Scottsdale, Arizona
Catherine O'Regan's primary practice is Matrix Medical Network, at 9201 E Mountain View Rd, Scottsdale, AZ 85258 in Maricopa County. The practice phone is (877) 564-3627.
- Matrix Medical Network9201 E Mountain View Rd, Scottsdale, AZ 85258 · Maricopa CountyPhone(877) 564-3627
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Catherine D. O'Regan is affiliated with 2 sites of care and 1 medical group
Catherine O'Regan's primary practice is Matrix Medical Network in Scottsdale, Arizona. Catherine O'Regan is also affiliated with MetroHealth Main Campus Medical Center. The medical group on file is Matrix Medical Network.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Catherine D. O'Regan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Catherine O'Regan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Matrix Medical Network | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Catherine D. O'Regan is one of 6,007 family nurse practitioners in Arizona
Family is Catherine O'Regan's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Catherine O'Regan is licensed in Ohio.
Specialties and state licenses
- Family nurse practitioner, OhioPrimary
Family nurse practitioners near Catherine O'Regan
Counts of family nurse practitioners 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
Catherine D. O'Regan treated 245 Medicare patients in 2024, average age 76
CMS counts 245 Medicare patients who saw Catherine O'Regan in 2024. The largest group is 75 to 84, with 75 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 46% are also on Medicaid. Their average risk score is 3.32, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Catherine O'Regan's median patient age at 74, with 69% women.
Catherine O'Regan's Medicare patients by age, 2024
Catherine O'Regan's Medicare patients by sex, 2024
- Women12852%
- Men11748%
Chronic conditions among Catherine O'Regan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Heart failure57%
- Chronic kidney disease56%
- Mood disorders56%
- Arthritis55%
- Depression54%
- Ischemic heart disease51%
Share of Medicare patients with each condition. A patient can have several.
Catherine O'Regan'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
- Women69%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Catherine D. O'Regan wrote 2,762 Medicare Part D claims in 2024
In 2024, Catherine O'Regan wrote 2,762 Medicare Part D claims for 207 patients. 88% of them were for generic drugs.
Catherine O'Regan's Part D claims by kind of drug, 2024
- Generic2,425 claims88%
- Brand-name and other337 claims12%
Drug classes CMS tracks in Catherine O'Regan's Part D claims, 2024
- Opioids5%131 of 2,762 claims
- Antibiotics3%79 of 2,762 claims
- Antipsychotics, patients 65 and over1%39 of 2,762 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 Catherine D. O'Regan'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 Catherine D. O'Regan
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What is Catherine D. O'Regan's NPI number?
Catherine D. O'Regan's NPI number is 1861034498. It was assigned on October 15, 2019, and it is active in the NPI Registry.
What does Catherine D. O'Regan specialize in?
Catherine D. O'Regan is a family nurse practitioner in Scottsdale, Arizona. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Catherine D. O'Regan practice?
Catherine O'Regan practices at 9201 E Mountain View Rd, Scottsdale, AZ 85258. Catherine O'Regan's primary practice is Matrix Medical Network in Scottsdale, Arizona.
What is Catherine D. O'Regan's office phone number?
The practice phone on file for Catherine O'Regan is (877) 564-3627.
What is Catherine D. O'Regan's medical license number?
Catherine O'Regan holds Ohio license 025063.
Which hospitals is Catherine D. O'Regan affiliated with?
Catherine O'Regan is affiliated with MetroHealth Main Campus Medical Center.
What medical group is Catherine D. O'Regan part of?
Catherine O'Regan is linked to Matrix Medical Network.
How many Medicare patients does Catherine D. O'Regan see?
CMS counts 245 Medicare patients who saw Catherine O'Regan in 2024, with an average age of 76.
How long has Catherine D. O'Regan been practicing?
Catherine O'Regan graduated from medical school in 2019, 7 years ago.
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