ADNAN ABDUR RAZZAQUE
NPI 1497320626
Internal Medicine in Chicago, IL
About Adnan Abdur Razzaque NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADNAN ABDUR RAZZAQUE (NPI 1497320626) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036.169883) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with St Alexius Medical Center, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2021).
NPPES Registry Identity
Specialties & Licenses
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
Adnan Abdur Razzaque 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 Adnan Razzaque reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Evanston, IL 60202
- Reassigned Medicare billing, Illinois enrollment
- 87 clinicians in this Medicare group
Chicago, IL 60617
- Reassigned Medicare billing, Illinois enrollment
- 343 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Alexius Medical Center
Acute Care Hospitals · Hoffman Estates, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60624 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Adnan Razzaque's NPI number?
The NPI number for Adnan Razzaque is 1497320626. It was assigned to this individual provider in the NPPES registry on May 20, 2021.
Where is Adnan Razzaque located?
Adnan Razzaque practices at 3433 W Madison St, Chicago, IL 60624. The listed phone number is (773) 242-2299.
What is Adnan Razzaque's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Adnan Razzaque enrolled in Medicare?
Yes. Adnan Razzaque 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 Adnan Razzaque's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adnan Razzaque reassigns Medicare benefits to 2 organizations: Cook Physician Services, P.C. (Evanston, IL) and Oak Street Health Physicians Group, PC (Chicago, 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 Adnan Razzaque's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Adnan Razzaque affiliated with any hospitals?
According to CMS data, Adnan Razzaque is affiliated with St Alexius Medical Center.
When was this NPI record last updated?
The NPPES record for Adnan Razzaque was last updated on September 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.