ERIN O'CONNOR MD
NPI 1487632584
Radiology - Diagnostic Radiology in Maywood, IL
About Erin O'connor Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIN O'CONNOR MD (NPI 1487632584) is an individual diagnostic radiology provider in Maywood, Illinois, licensed in Illinois (036105242) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Loyola Gottlieb Memorial Hospital, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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 and accepts Medicare assignment
Erin O'connor Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Erin O'connor reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Maywood, IL 60153
- Reassigned Medicare billing, Illinois enrollment
- 1,138 clinicians in this Medicare group
Laurel, MD 20707
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1073329538 (Maryland)
- 140 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 122 clinicians in this Medicare group
La Plata, MD 20646
- Reassigned Medicare billing, Maryland enrollment
- 123 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.
Areas of Expertise CMS Part B claims 27
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Loyola Gottlieb Memorial Hospital
Acute Care Hospitals · Melrose Park, ILMacneal Hospital
Acute Care Hospitals · Berwyn, ILMorris Hospital & Healthcare Centers
Acute Care Hospitals · Morris, ILLoyola University Medical Center
Acute Care Hospitals · Maywood, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60153 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
MAYWOOD, IL 60153
MAYWOOD, IL 60153
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 Erin O'connor's NPI number?
The NPI number for Erin O'connor is 1487632584. It was assigned to this individual provider in the NPPES registry on January 9, 2006.
Where is Erin O'connor located?
Erin O'connor practices at 2160 S 1st Ave, Maywood, IL 60153. The listed phone number is (708) 216-9000.
What is Erin O'connor's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Erin O'connor enrolled in Medicare?
Yes. Erin O'connor is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Erin O'connor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin O'connor reassigns Medicare benefits to 4 organizations: Loyola University Medical Center (Maywood, IL), University Of Maryland Diagnostic Imaging Specialists P A (Laurel, MD), University Imaging Center, LLC (Baltimore, MD) and University Of Maryland Diagnostic Radiology, LLC (La Plata, MD). 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 Erin O'connor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erin O'connor accept?
Health plans from Oscar Health list Erin O'connor 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.
Is Erin O'connor affiliated with any hospitals?
According to CMS data, Erin O'connor is affiliated with Loyola Gottlieb Memorial Hospital, Macneal Hospital, Morris Hospital & Healthcare Centers and Loyola University Medical Center.
When was this NPI record last updated?
The NPPES record for Erin O'connor was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.