SHAMAIL BUTT M.D.
NPI 1043531981
Internal Medicine - Hematology & Oncology in Chicago, IL
About Shamail Butt M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHAMAIL BUTT M.D. (NPI 1043531981) is an individual hematology & oncology provider in Chicago, Illinois, licensed in Illinois (036167934) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
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
Shamail Butt M.d. 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
7Medicare enrollment records show Shamail Butt reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 1,905 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 2,237 clinicians in this Medicare group
Abilene, TX 79601
- Reassigned Medicare billing, Texas enrollment
- 420 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,296 clinicians in this Medicare group
Houston, TX 77025
- Reassigned Medicare billing, Texas enrollment
- 1,649 clinicians in this Medicare group
Henderson, NV 89015
- Reassigned Medicare billing, Nevada enrollment
- 521 clinicians in this Medicare group
Las Vegas, NV 89106
- Reassigned Medicare billing, Nevada enrollment
- 195 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 15
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.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60637 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.
CHICAGO, IL 60637
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 Shamail Butt's NPI number?
The NPI number for Shamail Butt is 1043531981. It was assigned to this individual provider in the NPPES registry on June 15, 2010.
Where is Shamail Butt located?
Shamail Butt practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-5957.
What is Shamail Butt's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Shamail Butt enrolled in Medicare?
Yes. Shamail Butt 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 Shamail Butt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shamail Butt reassigns Medicare benefits to 7 organizations: The University Of Chicago Medical Center (Chicago, IL), University Of Chicago (Chicago, IL), Hendrick Provider Network (Abilene, TX), Baylor College Of Medicine (Houston, TX), Kelsey-Seybold Medical Group, PLLC (Houston, TX) and 2 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 Shamail Butt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shamail Butt accept?
Health plans from Blue Cross and Blue Shield of Texas list Shamail Butt 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 Shamail Butt affiliated with any hospitals?
According to CMS data, Shamail Butt is affiliated with The University Of Chicago Medical Center.
When was this NPI record last updated?
The NPPES record for Shamail Butt was last updated on February 8, 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.