Christopher J Jeziorkowski, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

036.140578 Issued in IL

Practice address

801 S Washington St
Naperville, IL 60540-7430

Phone

(630) 527-3000

Fax

(630) 527-3371

NPI assigned

Jun 27, 2013

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Emergency Medicine

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Edward HospitalGroup PAC ID 0042108110, 98 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Edward Hospital Hospital, Naperville, IL, CCN 140231

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhirprd.edward.org/fhirprd/api/FHIR/R4/
• Direct secure messaging: cjeziorkowski207740@direct.edward.org

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.

• Edward Hospital

  • General Acute Care Hospital
  • Naperville, IL
  • NPI 1013969013
  Medicare reassignment Care Compare group NPD
• Advocate Health and Hospitals Corporation

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment NPD
• Endeavor Health Medical Group

  • Emergency Medicine Physician
  • Evanston, IL
  • NPI 1497701882
  Medicare reassignment NPD
• Illinois Emergency Medicine Specialists, LLC

  • Emergency Medical Services (Emergency Medicine) Physician
  • Bolingbrook, IL
  • NPI 1003150962
  Medicare reassignment NPD
• Advocate Health & Hospitals Corp.

  • Emergency Medicine Physician
  • Chicago, IL
  • NPI 1750315545
  NPD
• Advocate Health and Hospitals Corporation

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  NPD
• Edward Hospital

  • Home Health Agency
  • Naperville, IL
  • NPI 1912930645
  NPD
• Endeavor Health Medical Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD
• Laboratory & Pathology Diagnostics, LLC

  • Anatomic Pathology & Clinical Pathology Physician
  • Naperville, IL
  • NPI 1285713826
  NPD

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

• Edward Hospital

  • General Acute Care Hospital
  • Naperville, IL
  • NPI 1427069632
  Care Compare affiliation

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

{
    "created_epoch": "1372291200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764720000000",
    "number": "1912347402",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE STE 1223",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 S WASHINGTON ST",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605407430",
            "telephone_number": "630-527-3000",
            "fax_number": "630-527-3371"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "120 N Oak St",
            "address_purpose": "LOCATION",
            "city": "Hinsdale",
            "state": "IL",
            "postal_code": "605213829",
            "country_code": "US",
            "telephone_number": "708-684-5375",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JEZIORKOWSKI",
        "first_name": "CHRISTOPHER",
        "middle_name": "J",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-27",
        "last_updated": "2025-12-03",
        "certification_date": "2025-12-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036.140578",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jenny Rogers Therapy, PLLC
• Julie R. Jensen, MD
• Kelly Marie Jensen, PSY.D.
• Vanessa Gladys Jerger, MD
• Jessica N Flynn, S.C.
• Caitlyn Jezowit
• Jigar Thakkar MD SC
• Danial A Jilani, MD, MPH
• Camila Alejandra Jimenez
• John Frederick Jimenez, DDS

• Emergency Medicine Physician in Naperville, IL
• Providers in Naperville, IL by specialty
• Emergency Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 3, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.