DR. GREGORY S REBELLA MD
NPI 1447203179
Pediatrics - Pediatric Emergency Medicine in Madison, WI
About Dr. Gregory S Rebella Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY S REBELLA MD (NPI 1447203179) is an individual pediatric emergency medicine provider in Madison, Wisconsin, licensed in Wisconsin (46683) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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 S Rebella Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gregory Rebella reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 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.
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.
MADISON, WI 53792
MADISON, WI 53792
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 Rebella's NPI number?
The NPI number for Gregory Rebella is 1447203179. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Gregory Rebella located?
Gregory Rebella practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 262-2398.
What is Gregory Rebella's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Gregory Rebella enrolled in Medicare?
Yes. Gregory Rebella is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gregory Rebella's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Rebella reassigns Medicare benefits to University Of Wisconsin Medical Foundation, Inc (Middleton, WI). 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 Rebella's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Rebella accept?
Health plans from Aspirus Health Plan list Gregory Rebella 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.
When was this NPI record last updated?
The NPPES record for Gregory Rebella was last updated on April 25, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.