MICHAEL K ABERNETHY MD
NPI 1013972579
Emergency Medicine in Madison, WI
About Michael K Abernethy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL K ABERNETHY MD (NPI 1013972579) is an individual emergency medicine provider in Madison, Wisconsin, licensed in Wisconsin (33145) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Beloit Health System, and is a graduate of University Of Cincinnati College Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Michael K Abernethy Md 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
2Medicare enrollment records show Michael Abernethy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Beloit, WI 53511
- Reassigned Medicare billing, Illinois and Wisconsin enrollments
- 21 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 7
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.
Beloit Health System
Acute Care Hospitals · Beloit, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53792 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.
MADISON, WI 53792
MADISON, WI 53792
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 Michael Abernethy's NPI number?
The NPI number for Michael Abernethy is 1013972579. It was assigned to this individual provider in the NPPES registry on April 19, 2006.
Where is Michael Abernethy located?
Michael Abernethy practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 262-2398.
What is Michael Abernethy's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Michael Abernethy enrolled in Medicare?
Yes. Michael Abernethy 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 Michael Abernethy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Abernethy reassigns Medicare benefits to 2 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI) and Southern Wisconsin Emergency Associates Sc (Beloit, WI). 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 Michael Abernethy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Abernethy affiliated with any hospitals?
According to CMS data, Michael Abernethy is affiliated with Beloit Health System.
When was this NPI record last updated?
The NPPES record for Michael Abernethy was last updated on February 9, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.