Joann El Mahassni, APRN, FNP-BC, FNP-C

Primary specialty

Pediatric Cardiology PhysicianTaxonomy code 2080P0202X

License

209026352 Issued in IL

Practice address

1220 Hobson Rd Ste 232
Naperville, IL 60540-8138

Phone

(630) 946-6554

Fax

(877) 458-3984

NPI assigned

Nov 8, 2022

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Illinois Institute of Pediatric Cardiology

  • Pediatric Cardiology Physician
  • Downers Grove, IL
  • NPI 1518032739
  NPD (past)

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

{
    "created_epoch": "1667865600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1698710400000",
    "number": "1013625185",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1220 HOBSON RD STE 232",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605408138",
            "telephone_number": "630-946-6554",
            "fax_number": "877-458-3984"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1220 HOBSON RD STE 232",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605408138",
            "telephone_number": "630-946-6554",
            "fax_number": "877-458-3984"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1555 Barrington Rd",
            "address_purpose": "LOCATION",
            "city": "Hoffman Estates",
            "state": "IL",
            "postal_code": "601691019",
            "country_code": "US",
            "telephone_number": "847-843-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "EL MAHASSNI",
        "first_name": "JOANN",
        "credential": "APRN, FNP-BC, FNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-11-08",
        "last_updated": "2023-10-31",
        "certification_date": "2023-07-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "FL",
            "license": "APRN11022418",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "209026352",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "IL",
            "license": "209026352",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sarah Eisen
• Eisenstein Medical Centers
• Kelly Ann Eisner, LCPC, LMHC, LPC
• Heidi E Eklund, MD
• Nazish Ekram, M.D.
• Safiya Elahi, DO
• Michael G Elasaad, DDS
• Samuel Elberts, MD
• Islam Elboghdady, M.D.
• Dana Elborno, M.D.

• Pediatric Cardiology Physician in Naperville, IL
• Providers in Naperville, IL by specialty
• Pediatric Cardiology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 31, 2023; 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.