COLLEEN A MALLOY MD
NPI 1659324317
Pediatrics - Neonatal-Perinatal Medicine in Chicago, IL
About Colleen A Malloy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COLLEEN A MALLOY MD (NPI 1659324317) is an individual neonatal-perinatal medicine provider in Chicago, Illinois, licensed in Illinois (036102036) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
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)
Colleen A Malloy Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Colleen Malloy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60611
- Reassigned Medicare billing, Illinois enrollment
- 826 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
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 Colleen Malloy's NPI number?
The NPI number for Colleen Malloy is 1659324317. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Colleen Malloy located?
Colleen Malloy practices at 250 E Superior St Fl 10, Chicago, IL 60611. The listed phone number is (312) 472-3776.
What is Colleen Malloy's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Colleen Malloy enrolled in Medicare?
Yes. Colleen Malloy is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Colleen Malloy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Malloy reassigns Medicare benefits to Lurie Children's Medical Group Inc (Chicago, 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 Colleen Malloy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Colleen Malloy accept?
Health plans from AmeriHealth Caritas Next, Cigna HealthCare of Florida, Inc., Cigna Healthcare, Molina Healthcare and Oscar Health Maintenance Organization of Florida list Colleen Malloy 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 Colleen Malloy was last updated on May 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.