Active NPI
Thomas Kenneth Grudowski
- Emergency Medicine Physician
- Downers Grove, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 036-157973
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| 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
| License | State | Type | Specialty |
|---|---|---|---|
| 036-157973 | IL | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Clarksville Physician Services PC | Current | Accepting new patients | |
| Clarksville Emergency Group, PC | Emergency Medicine | Current | Accepting new patients |
| Dupage Emergency Physicians Convenient Care LLC | Emergency Medicine | Current | Accepting new patients |
| Advocate Health & Hospitals Corp. | Emergency Medicine | Current | Accepting new patients |
| Em Strategies,LTD. | Emergency Medicine | Current | Accepting new patients |
| Advocate Health and Hospitals Corporation | Current | 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
- 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.
-
- Emergency Medicine Physician
- Lemont, IL
- NPI 1922000363
Emergency Medicine, IL
-
- Multi-Specialty Clinic/Center
- Oak Brook, IL
- NPI 1700824455
IL
-
- Emergency Medicine Physician
- Chicago, IL
- NPI 1750315545
Emergency Medicine
-
- Children's Hospital
- Oak Lawn, IL
- NPI 1508315516
-
- Emergency Medicine Physician
- Corydon, IN
- NPI 1023487154
Emergency Medicine
-
- Internal Medicine Physician
- Corydon, IN
- NPI 1811629546
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Downers Grove, IL
- NPI 1578670543
Hospital
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 LLCDupage Emergency Physicians LTDAdvocate Health and Hospitals Corporation
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
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 26, 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.