ANGELICA LEIGH OSTROWSKI
NPI 1154814044
Pediatrics - Pediatric Critical Care Medicine in Hoffman Estates, IL
About Angelica Leigh Ostrowski NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANGELICA LEIGH OSTROWSKI (NPI 1154814044) is an individual pediatric critical care medicine provider in Hoffman Estates, Illinois, licensed in Illinois (036171508) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2018).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Angelica Leigh Ostrowski 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
5Medicare enrollment records show Angelica Ostrowski reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elk Grove Village, IL 60007
- Reassigned Medicare billing, Illinois enrollment
- 281 clinicians in this Medicare group
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Maywood, IL 60153
- Reassigned Medicare billing, Illinois enrollment
- 1,138 clinicians in this Medicare group
Chicago, IL 60613
- Reassigned Medicare billing, Illinois enrollment
- 2,127 clinicians in this Medicare group
San Tan Valley, AZ 85140
- Reassigned Medicare billing, Arizona enrollment
- 188 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOFFMAN ESTATES, IL 60169
HOFFMAN ESTATES, IL 60169
HOFFMAN ESTATES, IL 60169
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 Angelica Ostrowski's NPI number?
The NPI number for Angelica Ostrowski is 1154814044. It was assigned to this individual provider in the NPPES registry on June 14, 2018.
Where is Angelica Ostrowski located?
Angelica Ostrowski practices at 1555 N Barrington Rd Bldg 1, Hoffman Estates, IL 60169. The listed phone number is (224) 299-4222.
What is Angelica Ostrowski's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Angelica Ostrowski enrolled in Medicare?
Yes. Angelica Ostrowski 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 Angelica Ostrowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Angelica Ostrowski reassigns Medicare benefits to 5 organizations: Bonaventure Medical Foundation, LLC (Elk Grove Village, IL), Lutheran General Hospital (Park Ridge, IL), Loyola University Medical Center (Maywood, IL), The Board Of Trustees Of The University Of Illinois (Chicago, IL) and Banner Physician Super Specialists Arizona LLC (San Tan Valley, AZ). 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 Angelica Ostrowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Angelica Ostrowski accept?
Health plans from Ambetter Health and Oscar Health list Angelica Ostrowski 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 Angelica Ostrowski was last updated on January 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Angelica Leigh Ostrowski · NPI 1154814044
Pediatric Critical Care Medicine physician in Hoffman Estates, Illinois. Individual provider, active in the CMS NPPES registry since June 14, 2018.
## Identity
- **NPI:** 1154814044 (Entity type: Individual)
- **Enumerated:** June 14, 2018
- **Primary specialty:** Pediatrics - Pediatric Critical Care Medicine · taxonomy 2080P0203X
- **State license:** 036171508 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1555 N BARRINGTON RD BLDG 1, Hoffman Estates, IL 60169-1020
- **Phone:** (224) 299-4222
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Bonaventure Medical Foundation, LLC (NPI 1588775647, Elk Grove Village, IL); Lutheran General Hospital (NPI 1801809306, Park Ridge, IL); Loyola University Medical Center (NPI 1336159961, Maywood, IL); The Board Of Trustees Of The University Of Illinois (NPI 1588815401, Chicago, IL); Banner Physician Super Specialists Arizona LLC (NPI 1396014403, San Tan Valley, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 2018
## Record status
- **NPPES last updated:** January 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1154814044) · Data from the CMS NPPES public registry.