DR. GEORGE F AZIZ M.D.
NPI 1639133358
Internal Medicine - Interventional Cardiology in Joliet, IL
About Dr. George F Aziz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GEORGE F AZIZ M.D. (NPI 1639133358) is an individual interventional cardiology provider in Joliet, Illinois, licensed in Illinois (036101060) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 12
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. George F Aziz 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
4Medicare enrollment records show George Aziz reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Romeoville, IL 60446
- Reassigned Medicare billing, Illinois enrollment
- 381 clinicians in this Medicare group
Bolingbrook, IL 60440
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Adventist Midwest Health
- 41 clinicians in this Medicare group
Palos Park, IL 60464
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Heart Care Centers Of Illinois, S.C.
- 36 clinicians in this Medicare group
Berwyn, IL 60402
- Reassigned Medicare billing, Illinois enrollment
- 86 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presence Saint Joseph Medical Center
Acute Care Hospitals · Joliet, ILMacneal Hospital
Acute Care Hospitals · Berwyn, ILMorris Hospital & Healthcare Centers
Acute Care Hospitals · Morris, ILOsf Saint Elizabeth Mdl Ctr
Acute Care Hospitals · Ottawa, ILSilver Cross Hospital And Medical Centers
Acute Care Hospitals · New Lenox, ILPhysician 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JOLIET, IL 60435
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 George Aziz's NPI number?
The NPI number for George Aziz is 1639133358. It was assigned to this individual provider in the NPPES registry on April 12, 2006.
Where is George Aziz located?
George Aziz practices at 195 Springfield Ave Unit 201, Joliet, IL 60435. The listed phone number is (815) 823-8200.
What is George Aziz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is George Aziz enrolled in Medicare?
Yes. George Aziz 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 George Aziz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), George Aziz reassigns Medicare benefits to 4 organizations: Adventist Health Partners, Inc (Romeoville, IL), Hinsdale Hospital (Bolingbrook, IL), Heart Care Centers Of Illinois, Sc (Palos Park, IL) and Gottlieb Community Health Services Corporation (Berwyn, 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 George Aziz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does George Aziz accept?
Health plans from Oscar Health list George Aziz 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 George Aziz affiliated with any hospitals?
According to CMS data, George Aziz is affiliated with Presence Saint Joseph Medical Center, Macneal Hospital, Morris Hospital & Healthcare Centers, Osf Saint Elizabeth Mdl Ctr and Silver Cross Hospital And Medical Centers.
When was this NPI record last updated?
The NPPES record for George Aziz was last updated on September 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.