AHSAN USMAN MD
NPI 1215016571
Hospitalist in Belleville, IL
About Ahsan Usman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AHSAN USMAN MD (NPI 1215016571) is an individual hospitalist provider in Belleville, Illinois, licensed in Illinois (036-121212) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital -centralia, and maintains a secondary practice location in Pekin.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 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
Ahsan Usman 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
10Medicare enrollment records show Ahsan Usman reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Belleville, IL 62226
- Reassigned Medicare billing, Illinois enrollment
- 329 clinicians in this Medicare group
Belleville, IL 62223
- Reassigned Medicare billing, Illinois enrollment
- 164 clinicians in this Medicare group
Fairview Heights, IL 62208
- Reassigned Medicare billing, Illinois enrollment
- 5 clinicians in this Medicare group
Saint Louis, MO 63104
- Reassigned Medicare billing, Missouri enrollment
- 1,294 clinicians in this Medicare group
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 255 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Illinois enrollment
- 507 clinicians in this Medicare group
Bridgeton, MO 63044
- Reassigned Medicare billing, Illinois enrollment
- 419 clinicians in this Medicare group
Quincy, IL 62301
- Reassigned Medicare billing, Illinois enrollment
- 81 clinicians in this Medicare group
Pekin, IL 61554
- Reassigned Medicare billing, Illinois and Missouri enrollments
Peoria, IL 61605
- Reassigned Medicare billing, Illinois enrollment
- 122 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 9
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.
Ssm Health St Mary's Hospital -Centralia
Acute Care Hospitals · Centralia, ILGateway Regional Medical Center
Acute Care Hospitals · Granite City, ILMemorial Hospital
Acute Care Hospitals · Belleville, ILHshs St Elizabeth's Hospital
Acute Care Hospitals · O Fallon, ILSsm Health St Mary's Hospital - St Louis
Acute Care Hospitals · Richmond Heights, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62226 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BELLEVILLE, IL 62226
BELLEVILLE, IL 62226
BELLEVILLE, IL 62226
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 Ahsan Usman's NPI number?
The NPI number for Ahsan Usman is 1215016571. It was assigned to this individual provider in the NPPES registry on November 6, 2006.
Where is Ahsan Usman located?
Ahsan Usman practices at 4500 Memorial Dr, Belleville, IL 62226. The listed phone number is (618) 257-6220.
What is Ahsan Usman's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Ahsan Usman enrolled in Medicare?
Yes. Ahsan Usman 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 Ahsan Usman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ahsan Usman reassigns Medicare benefits to 10 organizations: Cep America-Illinois Hospitalists, LLP (Belleville, IL), Southern Illinois Healthcare Foundation, Inc. (Belleville, IL), Rashid A Dalal MD PC (Fairview Heights, IL), Ssm Health Care Group (Saint Louis, MO), Cogent Healthcare Of Missouri, Inc (Fenton, MO) and 5 more organizations, listed in the Medicare section above. 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 Ahsan Usman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ahsan Usman accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Anthem Blue Cross and Blue Shield and UnitedHealthcare list Ahsan Usman 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 Ahsan Usman affiliated with any hospitals?
According to CMS data, Ahsan Usman is affiliated with Ssm Health St Mary's Hospital -Centralia, Gateway Regional Medical Center, Memorial Hospital, Hshs St Elizabeth's Hospital and Ssm Health St Mary's Hospital - St Louis.
When was this NPI record last updated?
The NPPES record for Ahsan Usman was last updated on March 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.