Andrew Kowalski, M.D.

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

036137310 Issued in IL

Practice address

2055 W Army Trail Rd Ste 110E
Addison, IL 60101-1478

Phone

(773) 284-9247

Fax

(773) 284-9249

NPI assigned

Mar 25, 2012

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IL, IN2 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

Specialty

Nephrology

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Nephrology Associates of Northern Illinois LTD 117 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• FMC - Midway Dialysis Dialysis facility, Chicago, IL, CCN 142713
• Macneal Hospital Hospital, Berwyn, IL, CCN 140054
• Loyola University Medical Center Hospital, Maywood, IL, CCN 140276

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: akowalski42368@direct.acumenmd.com

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.

• Nephrology Associates of Northern Illinois, LTD.

  • Nephrology Physician
  • Oak Brook, IL
  • NPI 1124069182

  IL, Nephrology

  Medicare reassignment Care Compare group NPD
• Nani Vascular North ASC LLC

  • Nephrology Physician
  • Addison, IL
  • NPI 1568262236

  IL, Nephrology

  Medicare reassignment NPD
• Willow Springs Surgery Center, LLC

  • Ambulatory Surgical Clinic/Center
  • Addison, IL
  • NPI 1467429233

  IL

  Medicare reassignment NPD
• Fort Wayne Vascular Care LLC

  • Ambulatory Surgical Clinic/Center
  • Fort Wayne, IN
  • NPI 1225684368

  IN, Nephrology

  Medicare reassignment NPD
• Nephrology Associates of Northern Indiana, Inc

  • Nephrology Physician
  • Fort Wayne, IN
  • NPI 1578505814

  IN, Nephrology

  Medicare reassignment NPD
• Nephrology Associates of Northern Illinois, LTD.

  • Nephrology Physician
  • Oak Brook, IL
  • NPI 1134319924

  Nephrology

  NPD (past)

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

• Gottlieb Community Health Services Corporation

  • General Acute Care Hospital
  • Berwyn, IL
  • NPI 1295710580

  Hospital

  Care Compare affiliation
• Loyola University Medical Center

  • General Acute Care Hospital
  • Maywood, IL
  • NPI 1376521575

  Hospital

  Care Compare affiliation
• Loyola University Medical Center

  • General Acute Care Hospital
  • Tinley Park, IL
  • NPI 1427752013

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1332633600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754265600000",
    "number": "1114293123",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 W 22ND ST STE 200",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605231563",
            "telephone_number": "630-573-5000",
            "fax_number": "630-491-5472"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2055 W ARMY TRAIL RD STE 110E",
            "city": "ADDISON",
            "state": "IL",
            "postal_code": "601011478",
            "telephone_number": "773-284-9247",
            "fax_number": "773-284-9249"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1740 W Taylor St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606127232",
            "country_code": "US",
            "telephone_number": "866-600-2273",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "660 N Westmoreland Rd",
            "address_purpose": "LOCATION",
            "city": "Lake Forest",
            "state": "IL",
            "postal_code": "600451659",
            "country_code": "US",
            "telephone_number": "847-234-5600",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6948 W Windsor Ave",
            "address_purpose": "LOCATION",
            "city": "Berwyn",
            "state": "IL",
            "postal_code": "604023335",
            "country_code": "US",
            "telephone_number": "708-749-4617",
            "fax_number": "708-492-4077",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6948 W Windsor Ave",
            "address_purpose": "LOCATION",
            "city": "Berwyn",
            "state": "IL",
            "postal_code": "604023335",
            "country_code": "US",
            "telephone_number": "708-749-4617",
            "fax_number": "708-749-0094",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOWALSKI",
        "first_name": "ANDREW",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-03-25",
        "last_updated": "2025-08-04",
        "certification_date": "2025-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "IL",
            "license": "036137310",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "credentialing@nephdocs.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "120 W 22nd St Ste 200",
            "city": "Oak Brook",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605231563",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Teresa Kmak
• James Michael Knauf, DDS
• Janelle Knippen, LCPC, R-DMT, RYT
• Brian Steven Koecher, D.O.
• Karen Ann Kowalczyk, APN-CNP
• Elin N Kuzmack
• Margaret Kwiatkowski
• Lizette Lagunas, PMH-NP
• Lake Street Family Medicine, LLC
• Jaclyn Laporte, MS, LCPC

• All providers in Addison, IL
• Nephrology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 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.