ROGER ANDREW OLIVEIRA DE FREITAS M.D.
NPI 1891893814
Pediatrics - Pediatric Cardiology in Chicago, IL
About Roger Andrew Oliveira De Freitas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROGER ANDREW OLIVEIRA DE FREITAS M.D. (NPI 1891893814) is an individual pediatric cardiology provider in Chicago, Illinois, licensed in Illinois (036107366) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
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
Roger Andrew Oliveira De Freitas M.d. 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
3Medicare enrollment records show Roger Andrew De Freitas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60611
- Reassigned Medicare billing, Illinois enrollment
- 826 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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 4
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILNorthwestern Lake Forest Hospital
Acute Care Hospitals · Lake Forest, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILNorthwestern Memorial Hospital
Acute Care Hospitals · Chicago, ILAnn & Robert H Lurie Childrens Hospital Of Chicago
Childrens · Chicago, ILMedicare 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.
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.
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
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 Roger Andrew De Freitas's NPI number?
The NPI number for Roger Andrew De Freitas is 1891893814. It was assigned to this individual provider in the NPPES registry on September 21, 2006.
Where is Roger Andrew De Freitas located?
Roger Andrew De Freitas practices at 225 E Chicago Ave, Chicago, IL 60611. The listed phone number is (800) 543-7362.
What is Roger Andrew De Freitas's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Roger Andrew De Freitas enrolled in Medicare?
Yes. Roger Andrew De Freitas 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 Roger Andrew De Freitas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roger Andrew De Freitas reassigns Medicare benefits to 3 organizations: Lurie Children's Medical Group Inc (Chicago, IL), Central Dupage Physician Group (Carol Stream, IL) and Northwestern Medical Faculty Foundation (Carol Stream, IL). 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 Roger Andrew De Freitas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Roger Andrew De Freitas affiliated with any hospitals?
According to CMS data, Roger Andrew De Freitas is affiliated with Northwestern Medicine Mchenry, Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital, Northwestern Memorial Hospital and Ann & Robert H Lurie Childrens Hospital Of Chicago.
When was this NPI record last updated?
The NPPES record for Roger Andrew De Freitas was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.