ROSS TANNEBAUM MD
NPI 1861492225
Emergency Medicine in Joliet, IL
About Ross Tannebaum Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROSS TANNEBAUM MD (NPI 1861492225) is an individual emergency medicine provider in Joliet, Illinois, licensed in Illinois (036070070) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ross Tannebaum Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Ross Tannebaum reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Joliet, IL 60435
- Reassigned Medicare billing, Illinois enrollment
- 982 clinicians in this Medicare group
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Munster, IN 46321
- Reassigned Medicare billing, Indiana enrollment
- 598 clinicians in this Medicare group
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 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 2
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.
JOLIET, IL 60435
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 Ross Tannebaum's NPI number?
The NPI number for Ross Tannebaum is 1861492225. It was assigned to this individual provider in the NPPES registry on July 28, 2005.
Where is Ross Tannebaum located?
Ross Tannebaum practices at 333 Madison St, Joliet, IL 60435. The listed phone number is (815) 725-7133.
What is Ross Tannebaum's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ross Tannebaum enrolled in Medicare?
Yes. Ross Tannebaum is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ross Tannebaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ross Tannebaum reassigns Medicare benefits to 4 organizations: Cepamerica Illinois LLP (Joliet, IL), Advocate Health And Hospitals Corporation (Downers Grove, IL), Cep America LLC (Munster, IN) and Rockford Health Physicians (Rockford, 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 Ross Tannebaum'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 Ross Tannebaum was last updated on March 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.