Individual provider Active NPI

Mario G. Lozano-Franco, MD

  • Internal Medicine Physician
  • Chicago, IL
National Provider Identifier
1831698588
Registry record updated Apr 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
125.085198 Issued in IL
Practice address
1500 S Fairfield Ave
Chicago, IL 60608-1782
Phone
(773) 257-5701
NPI assigned
Feb 8, 2018
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 22, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pharmacist 183500000X 6433 PR
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X 125.085198 IL Primary

Addresses

Primary practice location

1500 S Fairfield Ave
Chicago, IL 60608-1782

Mailing address

1051 Calle 3 SE Apt 614
San Juan, PR 00921-3011
Phone (787) 672-8959

Other practice location 1

1051 Calle 3 SE Apt 614
San Juan, PR 00921-3011
Phone (787) 672-8959

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
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
6433PRMDSpecialist
125.085198ILMDInternal Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1518048000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745280000000",
    "number": "1831698588",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1051 CALLE 3 SE APT 614",
            "city": "SAN JUAN",
            "state": "PR",
            "postal_code": "009213011",
            "telephone_number": "787-672-8959"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 S FAIRFIELD AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606081782",
            "telephone_number": "773-257-5701"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1051 Calle 3 SE Apt 614",
            "address_purpose": "LOCATION",
            "city": "San Juan",
            "state": "PR",
            "postal_code": "009213011",
            "country_code": "US",
            "telephone_number": "787-672-8959",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LOZANO-FRANCO",
        "first_name": "MARIO",
        "middle_name": "G.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-02-08",
        "last_updated": "2025-04-22",
        "certification_date": "2025-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "PR",
            "license": "6433",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125.085198",
            "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 Apr 22, 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.