Zbigniew M Ciechanowski, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Practice address

2020 Dean St
Suite G
St Charles, IL 60174-1665

Phone

(630) 513-0298

Fax

(630) 578-6701

NPI assigned

Jul 29, 2005

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

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

Internal MedicineAlso: Pediatric Medicine

Education

Other, 1984

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Medicine Delnor Community Hospital Hospital, Geneva, IL, CCN 140211
• Northwestern Medicine McHenry Hospital, McHenry, IL, CCN 140116
• Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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

• Fox Valley Adult and Pediatric Medicine PC

  • Internal Medicine Physician
  • St Charles, IL
  • NPI 1558546952
  Medicare reassignment NPD Authorized official
• Signature Medical Clinic LLC

  • Multi-Specialty Clinic/Center
  • Mount Prospect, IL
  • NPI 1558995779
  NPD (past)
• Heritage Emergency Physicians

  • Emergency Medicine Physician
  • Clinton, IA
  • NPI 1265620819
  NPD (past)

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

• Central Dupage Hospital Association

  dba Northwestern Medicine Central Dupage Hospital

  • General Acute Care Hospital
  • Winfield, IL
  • NPI 1003864810
  Care Compare affiliation
• Central Dupage Hospital Association

  dba Northwestern Medicine Central Dupage Hospital

  • Psychiatric Hospital Unit
  • Winfield, IL
  • NPI 1740230895
  Care Compare affiliation
• Delnor Community Hospital

  dba Northwestern Medicine Delnor Community Hospital

  • General Acute Care Hospital
  • Geneva, IL
  • NPI 1407859655
  Care Compare affiliation
• Northern Illinois Medical Center

  dba Centegra Hospital McHenry

  • General Acute Care Hospital
  • McHenry, IL
  • NPI 1982611281
  Care Compare affiliation

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

{
    "created_epoch": "1122595200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1467452573",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2020 DEAN ST",
            "address_2": "SUITE G",
            "city": "ST CHARLES",
            "state": "IL",
            "postal_code": "601741665",
            "telephone_number": "630-513-0298",
            "fax_number": "630-578-6701"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2020 DEAN ST",
            "address_2": "SUITE G",
            "city": "ST CHARLES",
            "state": "IL",
            "postal_code": "601741665",
            "telephone_number": "630-513-0298",
            "fax_number": "630-578-6701"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CIECHANOWSKI",
        "first_name": "ZBIGNIEW",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-29",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": null,
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7316904081",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Danielle Marie Chobak, M.A. CFY-SLP
• Brad Christensen, D.C.
• Kelly Marie Christiansen, OTRL
• Ci Psych, PLLC
• Bryan R. Cichon, DDS
• Jerry Ciffone, MSW, LCSW
• City of St Charlesq (Tri City Ambulance)
• Chenille Claiborne
• Mary Catherine (Kay) Clarke, MA, LCPC, CADC
• Jenelle Clason, BCBA

• Internal Medicine Physician in St Charles, IL
• Providers in St Charles, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.