DR. ARIELLA NADLER M.D.
NPI 1205114238
Pediatrics - Pediatric Emergency Medicine in Park Ridge, IL
About Dr. Ariella Nadler M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARIELLA NADLER M.D. (NPI 1205114238) is an individual pediatric emergency medicine provider in Park Ridge, Illinois, licensed in Illinois (036-161605) and active in the NPI registry since July 2011. She 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)
Dr. Ariella Nadler M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Ariella Nadler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 226 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.
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 Ariella Nadler's NPI number?
The NPI number for Ariella Nadler is 1205114238. It was assigned to this individual provider in the NPPES registry on July 25, 2011.
Where is Ariella Nadler located?
Ariella Nadler practices at 1775 Dempster St, Park Ridge, IL 60068. The listed phone number is (847) 723-5150.
What is Ariella Nadler's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Ariella Nadler enrolled in Medicare?
Yes. Ariella Nadler is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ariella Nadler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ariella Nadler reassigns Medicare benefits to 2 organizations: Lutheran General Hospital (Park Ridge, IL) and Weill Medical College Of Cornell (New York, NY). 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 Ariella Nadler'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 Ariella Nadler was last updated on May 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.