Mary De Lance, RN

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

041.485638 Issued in IL

Practice address

1620 W Harrison St
Chicago, IL 60612-3801

Phone

(312) 942-5000

NPI assigned

Jul 11, 2025

Sex

Female

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1752192000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752192000000",
    "number": "1225929938",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4112 COVE LN APT C",
            "city": "GLENVIEW",
            "state": "IL",
            "postal_code": "600253576",
            "telephone_number": "224-388-0190"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1620 W HARRISON ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123801",
            "telephone_number": "312-942-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DE LANCE",
        "first_name": "MARY",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-11",
        "last_updated": "2025-07-11",
        "certification_date": "2025-07-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "IL",
            "license": "041.485638",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Amy Bibiana De la Torre, MD
• Benjamin De la Torre, LCSW
• Rosa Angelica De la Torre, MD
• Susan Christine De la Torre, MD
• Maricruz De la Vega
• Lee Angel De Las Casas, D.C.
• Dianne A De Leon, MD
• Lillian Rochelle S J De Leon, MD
• Ovidio A De Leon, M.D.
• Relin De Leon, MS, OTR/L

• Registered Nurse in Chicago, IL
• Providers in Chicago, IL by specialty
• Registered Nurse in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 11, 2025; 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.