Ji Il Jeon, MD

Primary specialty

Infectious Disease PhysicianTaxonomy code 207RI0200X

License

A201109 Issued in CA

Practice address

155 N Fresno St # 307
Fresno, CA 93701-2302

Phone

(559) 459-4502

NPI assigned

Apr 7, 2022

Last updated

Jul 30, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Interoperability endpoints

• Direct secure messaging: ji-il.jeon.1@17661.direct.athenahealth.com

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

{
    "created_epoch": "1649289600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785369600000",
    "number": "1710629043",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "155 N FRESNO ST # 307",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937012302"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "155 N FRESNO ST # 307",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937012302",
            "telephone_number": "559-459-4502"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JEON",
        "first_name": "JI IL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-07",
        "last_updated": "2026-07-30",
        "certification_date": "2026-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "CA",
            "license": "A201109",
            "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": []
}

• Maribeth Jensen
• Patty Rae Jensen, MS, LMFT
• Russell Vance Jensen, MA, EDM, LMFT
• Scott Call Jensen, RN
• Susan McQuirk Jensen, M.A.,CCC
• Maria Janette Jerardi, MD, MHS
• Jeremy L Brownstein, Licensed Clinical Social Worker, Inc.
• Jerry L Lanier DDS Inc (kids Dental Kare)
• Jerry L Lanier DDS, Inc (Kids 2 Dentist Dental Group)
• Margie Lynn Jessen

• Infectious Disease Physician in Fresno, CA
• Providers in Fresno, CA by specialty
• Infectious Disease Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 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.