Individual provider Active NPI

Nimit Kumar Aggarwal, M.D.

  • Critical Care Medicine (Internal Medicine) Physician
  • Palos Heights, IL
National Provider Identifier
1811951411
Registry record updated Jul 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
036097747 Issued in IL
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, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 21, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
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

IdentifierTypeStateIssuer
036097747MedicaidIL
01632457OtherILBLUE CROSS BLUE SHIELD
P00246126OtherILRAILROAD 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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050715000159 IL Practitioner - Critical Care (Intensivists)Practitioner - Internal Medicine 2264468701 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Internal Medicine
Education
Other, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hospitalist Physicians of Illinois, P.C.Group PAC ID 0941614044, 13 clinicians

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

LicenseStateTypeSpecialty
036-097747ILMDInternal Medicine Physician
036097747ILMDCritical Care Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hospitalist Physicians of Illinois, P.C. Internal Medicine CurrentSince Mar 1, 2022 Accepting new patients
Cook County Current Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Sep 4, 2018 Accepting new patients
Cook County Internal Medicine CurrentSince Jun 17, 2022 Accepting new patients
Cook County CurrentSince Jun 17, 2022 Accepting new patients
Midwest Pulmonary Critical Care & Sleep Consultants LLC Internal Medicine PastSince May 1, 2018 Accepting new patients
Pulmonary Consultants, SC Internal Medicine PastSince Sep 1, 2004 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

  • Direct secure messaging: 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.

Hospital & facility affiliations 1

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

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

Verify at the official NPI Registry.