Individual provider Active NPI

Gwendolyn A. Janecek, APRN, CRNA

  • Certified Registered Nurse Anesthetist
  • Palos Heights, IL
National Provider Identifier
1295762045
Registry record updated Aug 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
209005829 Issued in IL
Practice address
12251 S 80TH Ave
Palos Heights, IL 60463-1290
Phone
(708) 923-4000
Fax
(708) 923-8848
NPI assigned
Jun 27, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 15, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 041316138 IL
Certified Registered Nurse Anesthetist 367500000X 209005829 IL Primary

Addresses

Primary practice location

12251 S 80TH Ave
Palos Heights, IL 60463-1290

Mailing address

12251 S 80TH Ave
Palos Heights, IL 60463-1290
Phone (708) 923-4000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20060123000306 IL Practitioner - Certified Registered Nurse Anesthetist (Crna) 4183648769 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2005
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Practice addresses (Care Compare)

12251 S 80TH Ave
Palos Heights, IL 60463-1290

675 N Saint Clair St
Chicago, IL 60611-5975

675 N St Clair
Chicago, IL 60611-5975

Hospital & facility affiliations

  • Palos Community Hospital Hospital, Palos Heights, IL, CCN 140062

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
041316138ILMDCertified Registered Nurse Anesthetist
209005829ILMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Northwestern Medical Faculty Foundation CurrentSince Jul 3, 2025 Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Jul 3, 2025 Accepting new patients
North American Partners in Anesthesia (Illinois), LLC CurrentSince Dec 1, 2023 Accepting new patients

Locations

3249 Oak Park Ave
Berwyn, IL 60402
Phone (708) 783-2696

Dept 5777
Carol Stream, IL 60122

77 N Airlite St
Elgin, IL 60123
Phone (847) 622-3407

2800 W 95th St
Evergreen Pk, IL 60805
Phone (708) 229-5104

301 Madison St
Joliet, IL 60435
Phone (815) 725-6331

998 N 129th Infantry Dr
Joliet, IL 60435
Phone (815) 744-3000

301 Madison St
Ste 100
Joliet, IL 60435
Phone (815) 744-1119

333 Madison St
Joliet, IL 60435
Phone (815) 725-7222

660 N Westmoreland Rd
Lake Forest, IL 60045
Phone (847) 535-6100

660 N Westmoreland Rd
#302
Lake Forest, IL 60045

12251 S 80th Ave
Palos Heights, IL 60463
Phone (708) 361-4500

Organizations & group practices 4

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": "1151366400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755216000000",
    "number": "1295762045",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12251 S 80TH AVE",
            "city": "PALOS HEIGHTS",
            "state": "IL",
            "postal_code": "604631290",
            "telephone_number": "708-923-4000",
            "fax_number": "708-923-8848"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12251 S 80TH AVE",
            "city": "PALOS HEIGHTS",
            "state": "IL",
            "postal_code": "604631290",
            "telephone_number": "708-923-4000",
            "fax_number": "708-923-8848"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JANECEK",
        "first_name": "GWENDOLYN",
        "middle_name": "A.",
        "name_prefix": "Ms.",
        "credential": "APRN, CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-27",
        "last_updated": "2025-08-15",
        "certification_date": "2025-08-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "041316138",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "209005829",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Palos Heights, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.