Active NPI
Nimit Kumar Aggarwal, M.D.
- Critical Care Medicine (Internal Medicine) Physician
- Palos Heights, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Medicine (Internal Medicine) Physician
- License
- 036097747
- Practice address
- 12820 S Ridgeland Ave
Suite B
Palos Heights, IL 60463-2388 - Phone
- (708) 371-8006
- Fax
- (708) 389-6630
- NPI assigned
- Apr 12, 2006
- Last updated
- Jul 21, 2026
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Specialist | 174400000X | 036097747 | IL | |
| Internal Medicine Physician | 207R00000X | 036-097747 | IL | |
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | 81931 | SC | |
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | 036097747 | IL | Primary |
Addresses
Primary practice location
12820 S Ridgeland Ave
Suite B
Palos Heights, IL 60463-2388
Mailing address
12820 S Ridgeland Ave Ste B
Palos Heights, IL 60463-2389
Phone (708) 371-8006
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 036097747 | Medicaid | IL | |
| 01632457 | Other | IL | BLUE CROSS BLUE SHIELD |
| P00246126 | Other | IL | RAILROAD MEDICARE |
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
Care Compare profile
Medicare Care Compare- Specialty
- Critical Care (Intensivists)
- Education
- Other, 1995
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1 Ingalls Dr
Harvey, IL 60426-3558
Phone (708) 333-2300
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036-097747 | IL | MD | Internal Medicine Physician |
| 036097747 | IL | MD | Critical Care Medicine (Internal Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Hospitalist Physicians of Illinois, P.C. | Internal Medicine | Current | Accepting new patients |
| Cook County | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients | |
| Cook County | Internal Medicine | Current | Accepting new patients |
| Cook County | Current | Accepting new patients | |
| Midwest Pulmonary Critical Care & Sleep Consultants LLC | Internal Medicine | Past | Accepting new patients |
| Pulmonary Consultants, SC | Internal Medicine | Past | Accepting new patients |
Locations
214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160
1901 W Harrison St
Chicago, IL 60612
Phone (312) 864-5100
29373 Network Pl
Chicago, IL 60673
500 E 51st St
Chicago, IL 60615
Phone (312) 572-2000
1 Ingalls Dr
Harvey, IL 60426
Phone (708) 333-2300
4440 W 95th St
Oak Lawn, IL 60453
Phone (708) 346-5520
4440 W 95th St
Ste Aip
Oak Lawn, IL 60453
Phone (708) 684-8000
Interoperability endpoints
- naggarwalmd237982@uchospital.direct-ci.com
Organizations & group practices 7
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.
-
- Hospitalist Physician
- Harvey, IL
- NPI 1396347761
Internal Medicine
-
dba Advocate Medical Group
- Multi-Specialty Clinic/Center
- Oak Brook, IL
- NPI 1700824455
-
dba John H. Stroger, Jr. Hospital of Cook County
- General Acute Care Hospital
- Chicago, IL
- NPI 1588612832
-
dba Cook County Health & Hospitals System Physician Services
- Emergency Medicine Physician
- Chicago, IL
- NPI 1821385170
Internal Medicine
-
- Pulmonary Disease Physician
- Palos Heights, IL
- NPI 1467951095
Internal Medicine
-
- Pulmonary Disease Physician
- Chicago Ridge, IL
- NPI 1699834754
Internal Medicine
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Harvey, IL
- NPI 1598756686
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1144800000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784592000000",
"number": "1811951411",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "12820 S RIDGELAND AVE STE B",
"city": "PALOS HEIGHTS",
"state": "IL",
"postal_code": "604632389",
"telephone_number": "708-371-8006",
"fax_number": "708-389-6630"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "12820 S RIDGELAND AVE",
"address_2": "SUITE B",
"city": "PALOS HEIGHTS",
"state": "IL",
"postal_code": "604632388",
"telephone_number": "708-371-8006",
"fax_number": "708-389-6630"
}
],
"practiceLocations": [],
"basic": {
"last_name": "AGGARWAL",
"first_name": "NIMIT",
"middle_name": "KUMAR",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-04-12",
"last_updated": "2026-07-21",
"certification_date": "2026-07-21",
"status": "A"
},
"taxonomies": [
{
"code": "174400000X",
"taxonomy_group": "",
"desc": "Specialist",
"state": "IL",
"license": "036097747",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "IL",
"license": "036-097747",
"primary": false
},
{
"code": "207RC0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Critical Care Medicine",
"state": "SC",
"license": "81931",
"primary": false
},
{
"code": "207RC0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Critical Care Medicine",
"state": "IL",
"license": "036097747",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "036097747",
"state": "IL"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CROSS BLUE SHIELD",
"identifier": "01632457",
"state": "IL"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "RAILROAD MEDICARE",
"identifier": "P00246126",
"state": "IL"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Palos Heights, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 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.