Individual provider Active NPI

Angelica Leigh Ostrowski

  • Pediatric Critical Care Medicine Physician
  • Hoffman Estates, IL
National Provider Identifier
1154814044
Registry record updated Jan 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Critical Care Medicine PhysicianTaxonomy code 2080P0203X
License
036171508 Issued in IL
Practice address
1555 N Barrington Rd BLDG 1
Hoffman Estates, IL 60169-1020
Phone
(224) 299-4222
NPI assigned
Jun 14, 2018
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 23, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Critical Care Medicine Physician 2080P0203X 036171508 IL Primary
Pediatrics Physician 208000000X 036171508 IL

Addresses

Primary practice location

1555 N Barrington Rd BLDG 1
Hoffman Estates, IL 60169-1020

Mailing address

1555 N Barrington Rd BLDG 1
Hoffman Estates, IL 60169-1020
Phone (224) 299-4222

Other practice location 1

1740 W Taylor St
Chicago, IL 60612-7232
Phone (312) 355-4000

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address aostrowski208640@direct.myadvocateaurora.org
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, AZ2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20240823002569 IL Practitioner - Pediatric MedicinePractitioner - Critical Care (Intensivists) 7416496286 Reassigns benefits to 4 organizations
I20250205002179 AZ Practitioner - Pediatric Medicine 7416496286 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pediatric MedicineAlso: Critical Care (Intensivists)
Education
Midwestern University, Chicago College of Osteopathic Med, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Bonaventure Medical Foundation LLCGroup PAC ID 7517863178, 164 clinicians

Practice addresses (Care Compare)

1555 Barrington Rd
Hoffman Estates, IL 60169-1019
Phone (847) 490-6945

1786 Moon Lake Blvd
Hoffman Est, IL 60194-5029
Phone (847) 755-8208

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
036171508ILMDPediatric Critical Care Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Banner Physician Super Specialists Arizona LLC CurrentSince Jan 30, 2025 Accepting new patients
The Board of Trustees of the University of Illinois CurrentSince Aug 16, 2025 Accepting new patients
Bonaventure Medical Foundation, LLC Family Medicine CurrentSince Sep 1, 2024 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince May 19, 2025 Accepting new patients
Loyola University Medical Center CurrentSince Sep 26, 2025 Accepting new patients
The Board of Trustees of the University of Illinois Current Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince May 19, 2025 Accepting new patients
The Board of Trustees of the University of Illinois Pediatrics CurrentSince Aug 16, 2025 Accepting new patients
Loyola University Medical Center CurrentSince Sep 26, 2025 Accepting new patients
Advocate Health and Hospitals Corporation Current Accepting new patients
Banner Physician Super Specialists Arizona LLC CurrentSince Jan 30, 2025 Accepting new patients

Locations

1432 S Dobson Rd
Ste 506
Mesa, AZ 85202
Phone (480) 412-6430

1400 S Dobson Rd
Mesa, AZ 85202
Phone (480) 412-3000

1432 S Dobson Rd
Ste 301
Mesa, AZ 85202
Phone (480) 412-7120

214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160

1740 W Taylor St
#693
Chicago, IL 60612
Phone (312) 355-2759

7732 Solution Ctr
Chicago, IL 60677
Phone (312) 355-6290

1740 W Taylor St
Chicago, IL 60612
Phone (312) 355-4000

29373 Network Pl
Chicago, IL 60673

1801 W Taylor St
#2A
Chicago, IL 60612
Phone (312) 355-3060

840 S Wood St
#856
Chicago, IL 60612
Phone (312) 413-1429

1786 Moon Lake Blvd
Hoffman Estates, IL 60169
Phone (847) 640-5640

1555 N Barrington Rd
Bldg 1
Hoffman Estates, IL 60169
Phone (224) 299-4222

500 W Court St
Kankakee, IL 60901
Phone (800) 585-4119

2160 S 1st Ave
Maywood, IL 60153
Phone (708) 216-4400

4440 W 95th St
Oak Lawn, IL 60453
Phone (708) 346-5520

2 Westbrook Corporate Ctr
Ste 600
Westchester, IL 60154
Phone (708) 216-5092

Organizations & group practices 11

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1528934400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769126400000",
    "number": "1154814044",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1555 N BARRINGTON RD BLDG 1",
            "city": "HOFFMAN ESTATES",
            "state": "IL",
            "postal_code": "601691020",
            "telephone_number": "224-299-4222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1555 N BARRINGTON RD BLDG 1",
            "city": "HOFFMAN ESTATES",
            "state": "IL",
            "postal_code": "601691020",
            "telephone_number": "224-299-4222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1740 W Taylor St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606127232",
            "country_code": "US",
            "telephone_number": "312-355-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OSTROWSKI",
        "first_name": "ANGELICA",
        "middle_name": "LEIGH",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-06-14",
        "last_updated": "2026-01-23",
        "certification_date": "2026-01-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0203X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Critical Care Medicine",
            "state": "IL",
            "license": "036171508",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": "036171508",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aostrowski208640@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "1555 N Barrington Rd Bldg 1",
            "city": "Hoffman Estates",
            "state": "IL",
            "country_code": "US",
            "postal_code": "601691020",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1555 N Barrington Rd Bldg 1",
            "city": "Hoffman Estates",
            "state": "IL",
            "country_code": "US",
            "postal_code": "601691020",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Hoffman Estates, IL

Sources for this page

Verify at the official NPI Registry.