ALI N KHAN MD
NPI 1144325051
Internal Medicine - Interventional Cardiology in Grafton, WI
About Ali N Khan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALI N KHAN MD (NPI 1144325051) is an individual interventional cardiology provider in Grafton, Wisconsin, licensed in Wisconsin (53380) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Aurora Health Care Central Inc, and is a graduate of Other (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Ali N Khan 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 Ali Khan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53209
- Reassigned Medicare billing, Wisconsin enrollment
- 1,615 clinicians in this Medicare group
West Allis, WI 53227
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 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 36
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurora Health Care Central Inc
Acute Care Hospitals · Sheboygan, WIAurora Medical Ctr Washington County
Acute Care Hospitals · Hartford, WIAurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIAurora Medical Center
Acute Care Hospitals · Grafton, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53024 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.
GRAFTON, WI 53024
GRAFTON, WI 53024
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 Ali Khan's NPI number?
The NPI number for Ali Khan is 1144325051. It was assigned to this individual provider in the NPPES registry on September 14, 2006.
Where is Ali Khan located?
Ali Khan practices at 975 Port Washington Rd, Grafton, WI 53024. The listed phone number is (262) 329-8150.
What is Ali Khan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Ali Khan enrolled in Medicare?
Yes. Ali Khan 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 Ali Khan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ali Khan reassigns Medicare benefits to 2 organizations: Aurora Advanced Healthcare, Inc. (Milwaukee, WI) and Aurora Medical Group, Inc. (West Allis, 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 Ali Khan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ali Khan accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Ali Khan 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 Ali Khan affiliated with any hospitals?
According to CMS data, Ali Khan is affiliated with Aurora Health Care Central Inc, Aurora Medical Ctr Washington County, Aurora St Lukes Medical Center and Aurora Medical Center.
When was this NPI record last updated?
The NPPES record for Ali Khan was last updated on July 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.