Individual provider Active NPI

Katarzyna M Walus, APN

  • Family Nurse Practitioner
  • Elk Grove Village, IL
National Provider Identifier
1437879855
Registry record updated Sep 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
209.025826 Issued in IL
Practice address
800 Biesterfield Rd Ste 610
Elk Grove Village, IL 60007-3362
Phone
(847) 981-3630
Fax
(847) 981-3633
NPI assigned
Aug 29, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 209.025826 IL Primary

Addresses

Primary practice location

800 Biesterfield Rd Ste 610
Elk Grove Village, IL 60007-3362

Mailing address

800 Biesterfield Rd Ste 610
Elk Grove Village, IL 60007-3362
Phone (847) 981-3630

Other identifiers 1

IdentifierTypeStateIssuer
209025826OtherILSTATE LICENSE

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address Katarzyna.walus@ascension.org Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20221019002938 IL Practitioner - Nurse Practitioner 4688040405 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2022
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

800 Biesterfield Rd
Elk Grove Village, IL 60007-3361

Hospital & facility affiliations

  • Alexian Brothers Medical Center 1 Hospital, Elk Grove Village, IL, CCN 140258
  • St Alexius Medical Center Hospital, Hoffman Estates, IL, CCN 140290

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
209.025826ILMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Northwest Community Health Services Inc CurrentSince Sep 18, 2022 Accepting new patients
Bonaventure Medical Foundation, LLC CurrentSince Oct 16, 2023 Accepting new patients
Northwest Community Health Services Inc CurrentSince Sep 18, 2022 Accepting new patients

Locations

3040 W Salt Creek Ln
Arlington Heights, IL 60005
Phone (847) 618-3481

1051 W Rand Rd
Arlington Hts, IL 60004
Phone (847) 221-4601

1450 Busch Pkwy
Buffalo Grove, IL 60089
Phone (847) 459-7860

15 S McHenry Rd
Fl 2
Buffalo Grove, IL 60089
Phone (847) 439-8780

15 S McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-6100

25233 Network Pl
Chicago, IL 60673

800 Biesterfield Rd
Ste 610
Elk Grove Vlg, IL 60007
Phone (847) 981-3630

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

Interoperability endpoints

  • Direct secure messaging: kcygan100405@direct.nch.org

Organizations & group practices 3

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.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1661731200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1437879855",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 BIESTERFIELD RD STE 610",
            "city": "ELK GROVE VILLAGE",
            "state": "IL",
            "postal_code": "600073362",
            "telephone_number": "847-981-3630",
            "fax_number": "847-981-3633"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 BIESTERFIELD RD STE 610",
            "city": "ELK GROVE VILLAGE",
            "state": "IL",
            "postal_code": "600073362",
            "telephone_number": "847-981-3630",
            "fax_number": "847-981-3633"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALUS",
        "first_name": "KATARZYNA",
        "middle_name": "M",
        "credential": "APN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-08-29",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "209.025826",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE",
            "identifier": "209025826",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Katarzyna.walus@ascension.org",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "800 Biesterfield Rd Ste 610",
            "city": "Elk Grove Village",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600073362",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Elk Grove Village, IL

Sources for this page

Verify at the official NPI Registry.