Individual provider Active NPI

Warren Lim

  • General Practice Dentistry
  • Chicago, IL
National Provider Identifier
1285563064
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
019.037307 Issued in IL
Practice address
350 N Clark St FL 6
Chicago, IL 60654-4712
Phone
(312) 274-4520
NPI assigned
May 18, 2026
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Dentistry 1223G0001X 019.037307 IL Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

350 N Clark St FL 6
Chicago, IL 60654-4712

Mailing address

20000 N 57TH Ave RM P205
Glendale, AZ 85308-7210

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": "1779062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1285563064",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20000 N 57TH AVE RM P205",
            "city": "GLENDALE",
            "state": "AZ",
            "postal_code": "853087210"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "350 N CLARK ST FL 6",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606544712",
            "telephone_number": "312-274-4520"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LIM",
        "first_name": "WARREN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-05-18",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "IL",
            "license": "019.037307",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "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 Jul 13, 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.