Individual provider Active NPI

Arjun Mathur

  • Anesthesiology Physician
  • Chicago, IL
National Provider Identifier
1043019557
Registry record updated Jun 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
125.087892 Issued in IL
Practice address
836 W Wellington Ave
Chicago, IL 60657-5147
Phone
(773) 296-5187
NPI assigned
Mar 10, 2025
Sex
Unspecified or another gender identity
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 22, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 125.087892 IL Primary

Addresses

Primary practice location

836 W Wellington Ave
Chicago, IL 60657-5147

Mailing address

3230 Eden Ave
Cincinnati, OH 45219-3303

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1741564800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782086400000",
    "number": "1043019557",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3230 EDEN AVE",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452193303"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "836 W WELLINGTON AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606575147",
            "telephone_number": "773-296-5187"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATHUR",
        "first_name": "ARJUN",
        "sole_proprietor": "NO",
        "sex": "X",
        "enumeration_date": "2025-03-10",
        "last_updated": "2026-06-22",
        "certification_date": "2026-06-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "125.087892",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.