Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. George F Aziz, M.D.
Interventional Cardiology Physician in Joliet, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639133358
See something wrong? Report a correction
Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| CD8033 | Other | IL | RAILROAD MEDICAR GROUP PTAN NUMBER |
| 236550 | Other | IL | MEDICARE GROUP |
| 236551 | Other | IL | MEDICARE GROUP |
| CN2703 | Other | IL | RAILROAD MEDICARE GROUP PTAN NUMBER |
| P00233149 | Other | IL | RAILROAD MEDICARE WILL |
| 416810 | Other | IL | MEDICARE GROUP |
| 01621208 | Other | IL | BLUECROSS BLUE SHIELD |
| 1508810086 | Other | IL | GROUP NPI |
| CG1672 | Other | IL | RAILROAD MEDICARE GROUP PTAN NUMBER |
| 036101060 | Medicaid | IL | - |
| P00235000 | Other | IL | RAILROAD MEDICARE COOK |
| P00300772 | Other | IL | RAILROAD MEDICARE KANKAKE |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
How do I verify George Aziz's NPI record?
Is NPI 1639133358 active?
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-04.