Individual provider Active NPI

Thomas Kenneth Grudowski

  • Emergency Medicine Physician
  • Downers Grove, IL
National Provider Identifier
1508326745
Registry record updated Jul 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
036-157973 Issued in IL
Practice address
3815 Highland Ave
Downers Grove, IL 60515-1500
Phone
(708) 275-5900
NPI assigned
Mar 22, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 26, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 036-157973 IL Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

3815 Highland Ave
Downers Grove, IL 60515-1500

Mailing address

29373 Network PL
Chicago, IL 60673-2827
Phone (847) 390-5900

Other practice location 1

4440 W 95th St
Oak Lawn, IL 60453-2600
Phone (708) 684-8000

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address tgrudowski229366@direct.myadvocateaurora.org Direct

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220804003252 IL Practitioner - Emergency Medicine 6305223082 Reassigns benefits to 4 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
036-157973ILMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Clarksville Physician Services PC CurrentSince Jan 17, 2024 Accepting new patients
Clarksville Emergency Group, PC Emergency Medicine CurrentSince Oct 1, 2023 Accepting new patients
Dupage Emergency Physicians Convenient Care LLC Emergency Medicine CurrentSince Aug 8, 2022 Accepting new patients
Advocate Health & Hospitals Corp. Emergency Medicine CurrentSince Jun 18, 2022 Accepting new patients
Em Strategies,LTD. Emergency Medicine CurrentSince Jul 1, 2022 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Jun 18, 2022 Accepting new patients
Advocate Health and Hospitals Corporation Current Accepting new patients

Locations

214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160

29373 Network Pl
Chicago, IL 60673

6840 Main St
Downers Grove, IL 60516
Phone (630) 275-6840

3815 Highland Ave
Downers Grove, IL 60515
Phone (630) 275-5900

15900 W 127th St
Lemont, IL 60439
Phone (630) 243-7100

12701 W 143rd St
Lockport, IL 60491
Phone (708) 364-6337

1900 Silver Cross Blvd
New Lenox, IL 60451
Phone (815) 300-7106

4440 W 95th St
Ste 1200H
Oak Lawn, IL 60453
Phone (708) 684-5341

4440 W 95th St
Oak Lawn, IL 60453
Phone (708) 346-5520

1141 Hospital Dr NW
Corydon, IN 47112
Phone (812) 738-7830

1201 S Main St
Crown Point, IN 46307
Phone (219) 738-2100

200 Corporate Blvd
Lafayette, LA 70508

Interoperability endpoints

  • Direct secure messaging: tgrudowski229366@direct.myadvocateaurora.org

Organizations & group practices 8

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 1

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

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Midwestern University, Chicago College of Osteopathic Med, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dupage Emergency Physicians Convenient Care LLC 30 clinicians
Dupage Emergency Physicians LTD 27 clinicians
Advocate Health and Hospitals Corporation 3,081 clinicians

Practice addresses (Care Compare)

15900 W 127TH St
Lemont, IL 60439-2910
Phone (630) 243-7100

3815 Highland Ave
Downers Grove, IL 60515-1500
Phone (630) 275-5900

4440 W 95TH St
Oak Lawn, IL 60453-2600
Phone (708) 684-5341

Hospital & facility affiliations

  • Advocate Good Samaritan Hospital Hospital, Downers Grove, IL, CCN 140288

NPI Registry JSON

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

{
    "created_epoch": "1553212800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753488000000",
    "number": "1508326745",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29373 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606732827",
            "telephone_number": "847-390-5900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3815 HIGHLAND AVE",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605151500",
            "telephone_number": "708-275-5900"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4440 W 95th St",
            "address_purpose": "LOCATION",
            "city": "Oak Lawn",
            "state": "IL",
            "postal_code": "604532600",
            "country_code": "US",
            "telephone_number": "708-684-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRUDOWSKI",
        "first_name": "THOMAS",
        "middle_name": "KENNETH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-22",
        "last_updated": "2025-07-26",
        "certification_date": "2025-07-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036-157973",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "4440 W 95th St",
            "city": "Oak Lawn",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604532600",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tgrudowski229366@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "4440 W 95th St",
            "city": "Oak Lawn",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604532600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Downers Grove, IL

Sources for this page

Verify at the official NPI Registry.