STEFANIE LOSIK
NPI 1720461858
Nurse Anesthetist, Certified Registered in Chicago, IL
About Stefanie Losik NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEFANIE LOSIK (NPI 1720461858) is an individual nurse anesthetist, certified registered in Chicago, Illinois, licensed in Illinois (209013576) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS, is affiliated with University Of Illinois Hospital And Clinics, and maintains a secondary practice location in Hoffman Estates.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Stefanie Losik 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
2Medicare enrollment records show Stefanie Losik reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 2,127 clinicians in this Medicare group
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 385 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Illinois Hospital And Clinics
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60612 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.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
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 Stefanie Losik's NPI number?
The NPI number for Stefanie Losik is 1720461858. It was assigned to this individual provider in the NPPES registry on July 7, 2015.
Where is Stefanie Losik located?
Stefanie Losik practices at 1740 W Taylor St Ste 3200W, Chicago, IL 60612. The listed phone number is (312) 996-4020.
What is Stefanie Losik's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Stefanie Losik enrolled in Medicare?
Yes. Stefanie Losik 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 Stefanie Losik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stefanie Losik reassigns Medicare benefits to 2 organizations: Board Of Trustees Of The University Of Illinois (Chicago, IL) and Midwest Anesthesia Partners, LLC (Chicago, 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 Stefanie Losik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stefanie Losik affiliated with any hospitals?
According to CMS data, Stefanie Losik is affiliated with University Of Illinois Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Stefanie Losik was last updated on July 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Stefanie Losik · NPI 1720461858
Nurse Anesthetist, Certified Registered physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since July 7, 2015.
## Identity
- **NPI:** 1720461858 (Entity type: Individual)
- **Enumerated:** July 7, 2015
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 209013576 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1740 W TAYLOR ST STE 3200W, Chicago, IL 60612-7232
- **Phone:** (312) 996-4020
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Board Of Trustees Of The University Of Illinois (NPI 1013136282, Chicago, IL); Midwest Anesthesia Partners, LLC (NPI 1255380184, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** July 3, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1720461858) · Data from the CMS NPPES public registry.