DR. GREGORY A LEWIS M.D.
NPI 1023098910
Urology in Joliet, IL
About Dr. Gregory A Lewis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY A LEWIS M.D. (NPI 1023098910) is an individual urology provider in Joliet, Illinois, licensed in Illinois (036057677) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Gregory A Lewis M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gregory Lewis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Peoria, IL 61636
- Reassigned Medicare billing, Illinois enrollment
- 693 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60431 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Gregory Lewis's NPI number?
The NPI number for Gregory Lewis is 1023098910. It was assigned to this individual provider in the NPPES registry on January 18, 2006.
Where is Gregory Lewis located?
Gregory Lewis practices at 1541 Riverboat Center Dr, Joliet, IL 60431. The listed phone number is (815) 409-4930.
What is Gregory Lewis's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Gregory Lewis enrolled in Medicare?
Yes. Gregory Lewis is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gregory Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Lewis reassigns Medicare benefits to Methodist Medical Center Of Illinois (Peoria, IL). The 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 Gregory Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gregory Lewis was last updated on March 23, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.