MUHAMMAD A KHAN MD
NPI 1144412859
Internal Medicine - Cardiovascular Disease in Carbondale, IL
About Muhammad A Khan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MUHAMMAD A KHAN MD (NPI 1144412859) is an individual cardiovascular disease provider in Carbondale, Illinois, licensed in Illinois (036138055) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Herrin Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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
Muhammad A 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 Muhammad Khan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carbondale, IL 62901
- Reassigned Medicare billing, Illinois enrollment
- 702 clinicians in this Medicare group
Marion, IL 62959
- Reassigned Medicare billing, Illinois enrollment
- 44 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 12
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Herrin Hospital
Acute Care Hospitals · Herrin, ILMemorial Hospital Of Carbondale
Acute Care Hospitals · Carbondale, ILHeartland Regional Medical Center
Acute Care Hospitals · Marion, ILHarrisburg Medical Center
Acute Care Hospitals · Harrisburg, ILSt Joseph Memorial Hospital
Critical Access Hospitals · Murphysboro, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62901 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.
CARBONDALE, IL 62901
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 Muhammad Khan's NPI number?
The NPI number for Muhammad Khan is 1144412859. It was assigned to this individual provider in the NPPES registry on August 16, 2007.
Where is Muhammad Khan located?
Muhammad Khan practices at 409 W Oak St, Carbondale, IL 62901. The listed phone number is (618) 529-4455.
What is Muhammad Khan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Muhammad Khan enrolled in Medicare?
Yes. Muhammad 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 Muhammad Khan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Muhammad Khan reassigns Medicare benefits to 2 organizations: Southern Illinois Medical Services, Nfp (Carbondale, IL) and Harrisburg Medical Center Inc (Marion, IL). 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 Muhammad Khan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Muhammad Khan accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Muhammad 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 Muhammad Khan affiliated with any hospitals?
According to CMS data, Muhammad Khan is affiliated with Herrin Hospital, Memorial Hospital Of Carbondale, Heartland Regional Medical Center, Harrisburg Medical Center and St Joseph Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Muhammad Khan was last updated on August 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.