ALEX CLAYTON IRWIN AG-ACNP
NPI 1275028128
Nurse Practitioner - Acute Care in Anderson, IN
About Alex Clayton Irwin Ag-acnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX CLAYTON IRWIN AG-ACNP (NPI 1275028128) is an individual acute care provider in Anderson, Indiana, licensed in Indiana (71008268A) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent Fishers, and maintains a secondary practice location in New Castle.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alex Clayton Irwin Ag-acnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Alex Irwin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carmel, IN 46032
- Reassigned Medicare billing, Indiana enrollment
- 945 clinicians in this Medicare group
Indianapolis, IN 46260
- Reassigned Medicare billing, Indiana enrollment
- 510 clinicians in this Medicare group
Kokomo, IN 46902
- Reassigned Medicare billing, Indiana enrollment
- 18 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St Vincent Fishers
Acute Care Hospitals · Fishers, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANDERSON, IN 46016
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alex Irwin's NPI number?
The NPI number for Alex Irwin is 1275028128. It was assigned to this individual provider in the NPPES registry on June 23, 2018.
Where is Alex Irwin located?
Alex Irwin practices at 2015 Jackson St, Anderson, IN 46016. The listed phone number is (765) 649-2511.
What is Alex Irwin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Alex Irwin enrolled in Medicare?
Yes. Alex Irwin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alex Irwin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Irwin reassigns Medicare benefits to 3 organizations: St. Vincent Medical Group, Inc. (Carmel, IN), St Vincent Physician Services Hospital And Health Care Center (Indianapolis, IN) and Chestnut Health Of Indiana PC (Kokomo, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alex Irwin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alex Irwin accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource and UnitedHealthcare list Alex Irwin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Alex Irwin affiliated with any hospitals?
According to CMS data, Alex Irwin is affiliated with Ascension St Vincent Fishers.
When was this NPI record last updated?
The NPPES record for Alex Irwin was last updated on November 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.