DR. DIANA LILY MITCHELL M.D.
NPI 1083881650
Pediatrics - Pediatric Critical Care Medicine in Park Ridge, IL
About Dr. Diana Lily Mitchell M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DIANA LILY MITCHELL M.D. (NPI 1083881650) is an individual pediatric critical care medicine provider in Park Ridge, Illinois, licensed in Illinois (036118366) and active in the NPI registry since May 2008. She 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. Diana Lily Mitchell M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Diana Mitchell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PARK RIDGE, IL 60068
PARK RIDGE, IL 60068
PARK RIDGE, IL 60068
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 Diana Mitchell's NPI number?
The NPI number for Diana Mitchell is 1083881650. It was assigned to this individual provider in the NPPES registry on May 13, 2008.
Where is Diana Mitchell located?
Diana Mitchell practices at 1675 W Dempster St, Park Ridge, IL 60068. The listed phone number is (847) 723-5313.
What is Diana Mitchell's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Diana Mitchell enrolled in Medicare?
Yes. Diana Mitchell is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Diana Mitchell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Mitchell reassigns Medicare benefits to Lutheran General Hospital (Park Ridge, 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 Diana Mitchell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diana Mitchell accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Diana Mitchell 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 Diana Mitchell was last updated on August 9, 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.