OLGA BREZDEN
NPI 1114542347
Nurse Practitioner - Family in Chicago, IL
About Olga Brezden NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLGA BREZDEN (NPI 1114542347) is an individual family provider in Chicago, Illinois, licensed in Illinois (209021535) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Naperville, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 and accepts Medicare assignment
Olga Brezden 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 Olga Brezden reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Willowbrook, IL 60527
- Reassigned Medicare billing, Illinois enrollment
- 410 clinicians in this Medicare group
Hammond, IN 46320
- Reassigned Medicare billing, Indiana enrollment
- 83 clinicians in this Medicare group
Munster, IN 46321
- Reassigned Medicare billing, Indiana enrollment
- 124 clinicians in this Medicare group
Schererville, IN 46375
- Reassigned Medicare billing, Indiana enrollment
- 119 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 11
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60657 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 8
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 Olga Brezden's NPI number?
The NPI number for Olga Brezden is 1114542347. It was assigned to this individual provider in the NPPES registry on June 12, 2020.
Where is Olga Brezden located?
Olga Brezden practices at 2868 N Broadway St, Chicago, IL 60657. The listed phone number is (773) 569-3525.
What is Olga Brezden's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Olga Brezden enrolled in Medicare?
Yes. Olga Brezden 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 Olga Brezden's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olga Brezden reassigns Medicare benefits to 4 organizations: Midwest Express Care 2, Inc (Willowbrook, IL), Midwest Express Care 4 LLC (Hammond, IN), Nwi Urgent Care, LLC (Munster, IN) and Midwest Express Care, Inc (Schererville, IN). 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 Olga Brezden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Olga Brezden accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Anthem Blue Cross and Blue Shield and CareSource list Olga Brezden 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 Olga Brezden was last updated on September 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.