DR. NASIR A SIDDIQUI M.D.
NPI 1285925248
Radiology - Diagnostic Radiology in Joliet, IL
About Dr. Nasir A Siddiqui M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NASIR A SIDDIQUI M.D. (NPI 1285925248) is an individual diagnostic radiology provider in Joliet, Illinois, licensed in Illinois (036127558) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. Nasir A Siddiqui 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
5Medicare enrollment records show Nasir Siddiqui reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbus, OH 43214
- Reassigned Medicare billing, Illinois enrollment
- 10 clinicians in this Medicare group
Chambersburg, PA 17201
- Reassigned Medicare billing, Illinois and Pennsylvania enrollments
Bryn Mawr, PA 19010
- Reassigned Medicare billing, Illinois and Pennsylvania enrollments
Philadelphia, PA 19115
- Reassigned Medicare billing, Illinois and Pennsylvania enrollments
Orange Park, FL 32073
- Reassigned Medicare billing, Illinois enrollment
- 3 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 47
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60435 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.
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 Nasir Siddiqui's NPI number?
The NPI number for Nasir Siddiqui is 1285925248. It was assigned to this individual provider in the NPPES registry on April 26, 2011.
Where is Nasir Siddiqui located?
Nasir Siddiqui practices at 2100 Glenwood Ave, Joliet, IL 60435. The listed phone number is (815) 999-3400.
What is Nasir Siddiqui's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Nasir Siddiqui enrolled in Medicare?
Yes. Nasir Siddiqui 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 Nasir Siddiqui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nasir Siddiqui reassigns Medicare benefits to 5 organizations: Riverside Radiology And Interventional Associates Inc (Columbus, OH), Lebanon Diagnostic Imaging, LLC (Chambersburg, PA), Rittenhouse Imaging Center, LLC (Bryn Mawr, PA), Jeanes Radiology Associates LLC (Philadelphia, PA) and Elite Imaging LLC (Orange Park, FL). 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 Nasir Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nasir Siddiqui accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Nasir Siddiqui 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.
When was this NPI record last updated?
The NPPES record for Nasir Siddiqui was last updated on August 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.