Nirosuthan Rajasingam, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

036141000 Issued in IL

Practice address

1500 S Fairfield Ave
Ap
Chicago, IL 60608-1782

Phone

(773) 542-2000

NPI assigned

Jun 26, 2013

Last updated

Aug 31, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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

Merit-based Incentive Payment System (MIPS)

Final score

94.03 of 100Reported as group

Quality

71.53

Promoting interoperability

100

Improvement activities

40

Cost

76.89

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nrajasingam47079@surescripts.sfmc.net

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.

• KND Development 59 LLC

  • Hospitalist Physician
  • Chicago, IL
  • NPI 1992034599
  Medicare reassignment NPD
• Mount Sinai Community Foundation

  dba Sinai Medical Group

  • Rehabilitation Hospital
  • Chicago, IL
  • NPI 1376715896
  Medicare reassignment NPD
• KND Development 59 LLC

  • Hospitalist Physician
  • Northlake, IL
  • NPI 1598094906
  NPD
• Mount Sinai Community Foundation

  dba Sinai Medical Group

  • Orthopaedic Surgery Physician
  • Chicago, IL
  • NPI 1750429486
  NPD
• Mount Sinai Community Foundation

  dba Sinai Medical Group

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1982657854

  Internal Medicine

  NPD
• KND Development 59, LLC

  dba Specialty Hospitals Broken Arrow

  • Hospitalist Physician
  • Broken Arrow, OK
  • NPI 1922950823
  NPD

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

{
    "created_epoch": "1372204800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788134400000",
    "number": "1790125474",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "555 E 33RD PL APT 504",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606164175",
            "telephone_number": "630-456-8661"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 S FAIRFIELD AVE",
            "address_2": "AP",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606081782",
            "telephone_number": "773-542-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1045 W Stephenson St",
            "address_purpose": "LOCATION",
            "city": "Freeport",
            "state": "IL",
            "postal_code": "610324864",
            "country_code": "US",
            "telephone_number": "815-599-6000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1036 W Stephenson St",
            "address_purpose": "LOCATION",
            "city": "Freeport",
            "state": "IL",
            "postal_code": "610324865",
            "country_code": "US",
            "telephone_number": "815-599-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAJASINGAM",
        "first_name": "NIROSUTHAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-26",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036141000",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "IL",
            "license": "036141000",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Anjana Rajan, MD
• Priya Rajan
• Ravi Rajaram, M.D.
• Vandhana Rajarathnam, OTD, OTR/L
• R Rajasekhar, MD SC
• Dharma D. Rajbhandari, M.D.
• Nikita Rajbhandari, MD
• Induja Rajendran, MD
• Kavitha Rajendran, PA-C
• Mythili Rajesh, BDS, MS

• Cardiovascular Disease Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Cardiovascular Disease Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 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.