Jiansan Gu, MD

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

600 S Paulina St Ste 403
Chicago, IL 60612-3806

Phone

(646) 703-3998

NPI assigned

Mar 4, 2019

Sex

Male

Sole proprietor

Yes

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1551657600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1665619200000",
    "number": "1386102960",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "600 S PAULINA ST STE 403",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123806"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 S PAULINA ST STE 403",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123806",
            "telephone_number": "646-703-3998"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7447 W Talcott Ave Ste 182",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606313712",
            "country_code": "US",
            "telephone_number": "773-792-5155",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GU",
        "first_name": "JIANSAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-03-04",
        "last_updated": "2022-10-13",
        "certification_date": "2022-06-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "IL",
            "license": "036158781",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Wojciech Zbigniew Grzeskowiak, MD
• Jennifer Grzybek, SLP
• Jacqueline Grzymala, MOR/L
• GSDC Inc
• GSK Pharmacy Inc
• Seulgi Gu, MD
• Idalia Guachichullca
• Ivan Guadarrama
• Jocelyn Guadarrama
• Stephanie Guadarrama

• Student in an Organized Health Care Education/Training Program in Chicago, IL
• Providers in Chicago, IL by specialty
• Student in an Organized Health Care Education/Training Program in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 13, 2022; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.