SHANNON DOYLE TONELLATO MD
NPI 1992265847
Pediatrics - Neonatal-Perinatal Medicine in Chicago, IL
About Shannon Doyle Tonellato Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHANNON DOYLE TONELLATO MD (NPI 1992265847) is an individual neonatal-perinatal medicine provider in Chicago, Illinois, licensed in Illinois (036160692) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Shannon Doyle Tonellato Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Shannon Tonellato reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 1,905 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 2,237 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 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.
CHICAGO, IL 60637
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 Shannon Tonellato's NPI number?
The NPI number for Shannon Tonellato is 1992265847. It was assigned to this individual provider in the NPPES registry on March 25, 2019. The provider is also known as Shannon Kathryn Doyle MD.
Where is Shannon Tonellato located?
Shannon Tonellato practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (888) 824-0200.
What is Shannon Tonellato's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Shannon Tonellato enrolled in Medicare?
Yes. Shannon Tonellato is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Shannon Tonellato's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Tonellato reassigns Medicare benefits to 3 organizations: The University Of Chicago Medical Center (Chicago, IL), University Of Chicago (Chicago, IL) and Endeavor Health Medical Group (Evanston, 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 Shannon Tonellato'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 Shannon Tonellato was last updated on September 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.