Alex Clayton Irwin, Agacnp
- Medicare patients, 2024
- 93
- Part D claims, 2024
- 13
- Hospital affiliations
- 3
- Industry payments
- $61
- Medical groups
- 3
- Practice address
- 473 E Greenville Ave, Winchester, IN 47394
- Practice phone
- Call (765) 584-0004
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Alex Irwin'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.
Alex Clayton Irwin is an acute care nurse practitioner in Winchester, Indiana
Alex Irwin practices at Ascension St. Vincent Randolph in Winchester, Indiana, part of Ascension Health Alliance.
Alex Irwin's NPI, 1275028128, was assigned on June 23, 2018. Alex Irwin holds Indiana license 71008268A.
- NPI
- 1275028128NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830440817
- NPI enumeration date
- June 23, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (765) 584-0004
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Alex Clayton Irwin practices at Ascension St. Vincent Randolph in Winchester, Indiana
Alex Irwin's primary practice is Ascension St. Vincent Randolph, at 473 E Greenville Ave, Winchester, IN 47394 in Randolph County. The practice phone is (765) 584-0004.
- Ascension St. Vincent Randolph473 E Greenville Ave, Winchester, IN 47394 · Randolph CountyPhone(765) 584-0004
Source: Dmand AI Affiliation Data
Alex Clayton Irwin is affiliated with 4 sites of care and 3 medical groups
Alex Irwin's primary practice is Ascension St. Vincent Randolph in Winchester, Indiana, part of Ascension Health Alliance. Alex Irwin is also affiliated with Ascension St. Vincent Fishers. The medical group on file is Ascension Medical Group St Vincent. Dmand AI also links Alex Irwin to 1 more hospital, 2 medical groups and 1 skilled nursing facility, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Alex Clayton Irwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Alex Irwin practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St. Vincent Randolph | Available with a free account |
| +3 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 Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Alex Clayton Irwin is one of 285 acute care nurse practitioners in Indiana
Acute care is Alex Irwin's primary specialty in the NPI Registry, under taxonomy code 363LA2100X. Alex Irwin is licensed in Indiana.
Specialties and state licenses
- Acute care nurse practitioner, IndianaPrimary
Acute care nurse practitioners near Alex Irwin
Counts of acute care 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
Alex Clayton Irwin treated 93 Medicare patients in 2024, average age 76
CMS counts 93 Medicare patients who saw Alex Irwin in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Alex Irwin's median patient age at 71, with 51% women.
Alex Irwin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Alex Irwin's Medicare patients by sex, 2024
- Women5357%
- Men4043%
Chronic conditions among Alex Irwin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Mood disorders51%
- Arthritis48%
- Depression47%
- Diabetes42%
- Anxiety41%
- Ischemic heart disease39%
Share of Medicare patients with each condition. A patient can have several.
Alex Irwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Alex Clayton Irwin wrote 13 Medicare Part D claims in 2024
In 2024, Alex Irwin wrote 13 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Alex Clayton Irwin takes part in Medicare
Alex Irwin 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
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Alex Clayton Irwin received $61 in industry payments in 2025
CMS Open Payments shows 2 general payments to Alex Irwin from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Neurocrine BioSciences, Inc. paid the most, $34.
Companies that paid Alex Irwin 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 Alex Clayton Irwin'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 | 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 Alex Clayton Irwin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Alex Clayton Irwin's NPI number?
Alex Clayton Irwin's NPI number is 1275028128. It was assigned on June 23, 2018, and it is active in the NPI Registry.
What does Alex Clayton Irwin specialize in?
Alex Clayton Irwin is an acute care nurse practitioner in Winchester, Indiana. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).
Where does Alex Clayton Irwin practice?
Alex Irwin practices at 473 E Greenville Ave, Winchester, IN 47394. Alex Irwin's primary practice is Ascension St. Vincent Randolph in Winchester, Indiana, part of Ascension Health Alliance. Dmand AI also links Alex Irwin to 1 hospital, 2 medical groups and 1 skilled nursing facility.
What is Alex Clayton Irwin's office phone number?
The practice phone on file for Alex Irwin is (765) 584-0004.
What is Alex Clayton Irwin's medical license number?
Alex Irwin holds Indiana license 71008268A.
Which hospitals is Alex Clayton Irwin affiliated with?
Alex Irwin practices at Ascension St. Vincent Randolph in Winchester, Indiana. Alex Irwin is also affiliated with Ascension St. Vincent Fishers. Dmand AI links Alex Irwin to 1 more hospital.
What medical group is Alex Clayton Irwin part of?
Alex Irwin is linked to Ascension Medical Group St Vincent. Dmand AI links Alex Irwin to 2 more medical groups.
Does Alex Clayton Irwin accept Medicare?
Yes. CMS lists Alex Irwin as accepting Medicare assignment.
How many Medicare patients does Alex Clayton Irwin see?
CMS counts 93 Medicare patients who saw Alex Irwin in 2024, with an average age of 76.
Has Alex Clayton Irwin received payments from drug or device companies?
CMS Open Payments shows $61 in general payments to Alex Irwin from 2 companies from 2025 to 2025. The largest total came from Neurocrine BioSciences, Inc.
How long has Alex Clayton Irwin been practicing?
Alex Irwin graduated from medical school in 2018, 8 years ago.
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