MARY LOUISE KELLY D.O.
NPI 1912087560
Family Medicine in Oak Park, IL
About Mary Louise Kelly D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY LOUISE KELLY D.O. (NPI 1912087560) is an individual family medicine provider in Oak Park, Illinois, licensed in Illinois (036077560) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Louise Kelly D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Kelly reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Elmhurst, IL 60126
- Reassigned Medicare billing, Illinois enrollment
- 561 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 60301 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 5
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 Mary Kelly's NPI number?
The NPI number for Mary Kelly is 1912087560. It was assigned to this individual provider in the NPPES registry on October 17, 2006.
Where is Mary Kelly located?
Mary Kelly practices at 1125 Westgate St, Oak Park, IL 60301. The listed phone number is (708) 848-0040.
What is Mary Kelly's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mary Kelly enrolled in Medicare?
Yes. Mary Kelly is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Kelly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Kelly reassigns Medicare benefits to Edward Health Ventures (Elmhurst, 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 Mary Kelly'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 Mary Kelly was last updated on December 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.