Arun Amirthalingam Kumar, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Practice address

931 W 75TH St
Suite127
Naperville, IL 60565-1294

Phone

(630) 579-4668

Fax

(630) 579-1107

NPI assigned

Mar 22, 2006

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

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

Specialty

Internal Medicine

Education

Other, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Residential Home Health Home health agency, Lisle, IL, CCN 147568
• Edward Hospital Hospital, Naperville, IL, CCN 140231
• Advocate Good Samaritan Hospital Hospital, Downers Grove, IL, CCN 140288

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Arun Kumar MD SC

  • Primary Care Clinic/Center
  • Naperville, IL
  • NPI 1629123252
  Medicare reassignment NPD Authorized official

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

• Advocate Health and Hospitals Corporation

  • General Acute Care Hospital
  • Downers Grove, IL
  • NPI 1578670543
  Care Compare affiliation
• Edward Hospital

  • General Acute Care Hospital
  • Naperville, IL
  • NPI 1427069632
  Care Compare affiliation
• Residential Home Health Illinois, LLC

  • Home Health Agency
  • Lisle, IL
  • NPI 1336377365
  Care Compare affiliation

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

{
    "created_epoch": "1142985600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1740249259",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "931 W 75TH ST",
            "address_2": "SUITE127",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605651294",
            "telephone_number": "630-579-4668",
            "fax_number": "630-579-1107"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "931 W 75TH ST",
            "address_2": "SUITE127",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605651294",
            "telephone_number": "630-579-4668",
            "fax_number": "630-579-1107"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KUMAR",
        "first_name": "ARUN",
        "middle_name": "AMIRTHALINGAM",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-22",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ellen R Kuefler, LCPC, CAADC
• Amanda Jean Kuen, D.C.
• Zachary Allen Kuenstle, PA-C
• Claudia Marie Kuhne, PTA
• Mary Kullman, M.S., LCPC
• Seema Kumar, MD
• Shruti Rani Kumar, MD
• Vaishali Sonde Kumar, M.ED. CCC-SLP
• Achala S Kumari, B.S. PHARMACY
• Halina Kumor

• Internal Medicine Physician in Naperville, IL
• Providers in Naperville, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.

Verify at the official NPI Registry.