DR. CYNTHIA R AMBLER MD
NPI 1255479523
Pediatrics in Glen Ellyn, IL
About Dr. Cynthia R Ambler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CYNTHIA R AMBLER MD (NPI 1255479523) is an individual pediatrics provider in Glen Ellyn, Illinois, licensed in Illinois (036093463) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Wheaton.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Cynthia R Ambler Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Cynthia Ambler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60137 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Cynthia Ambler's NPI number?
The NPI number for Cynthia Ambler is 1255479523. It was assigned to this individual provider in the NPPES registry on February 1, 2007. The provider is also known as Cynthia Rosenblad.
Where is Cynthia Ambler located?
Cynthia Ambler practices at 885 Roosevelt Rd, Glen Ellyn, IL 60137. The listed phone number is (630) 790-1555.
What is Cynthia Ambler's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Cynthia Ambler enrolled in Medicare?
Yes. Cynthia Ambler is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Cynthia Ambler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Ambler reassigns Medicare benefits to Central Dupage Physician Group (Carol Stream, 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 Cynthia Ambler'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 Cynthia Ambler was last updated on March 17, 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.