DR. LEWIS BARR M.D.
NPI 1245267962
Internal Medicine in Riverwoods, IL
About Dr. Lewis Barr M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LEWIS BARR M.D. (NPI 1245267962) is an individual internal medicine provider in Riverwoods, Illinois, licensed in Illinois (036-045724) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Lewis Barr M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Lewis Barr reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orland Park, IL 60467
- Reassigned Medicare billing, Illinois enrollment
- 22 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 60015 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 14
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
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 Lewis Barr's NPI number?
The NPI number for Lewis Barr is 1245267962. It was assigned to this individual provider in the NPPES registry on June 27, 2006.
Where is Lewis Barr located?
Lewis Barr practices at 5 Columbine Ln, Riverwoods, IL 60015. The listed phone number is (847) 231-5286.
What is Lewis Barr's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Lewis Barr enrolled in Medicare?
Yes. Lewis Barr is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Lewis Barr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lewis Barr reassigns Medicare benefits to Sigma Health PC (Orland Park, 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 Lewis Barr'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 Lewis Barr was last updated on May 5, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.