Giannina Mixco Pennisi

Primary specialty

Clinical Child & Adolescent PsychologistTaxonomy code 103TC2200X

Practice address

One Park Avenue
New York, NY 10016

Phone

(646) 754-5000

Fax

(646) 754-9538

NPI assigned

Mar 18, 2020

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

Other names 1

• Giannina Mixco Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1584489600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783987200000",
    "number": "1053947424",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "ONE PARK AVENUE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "10016",
            "telephone_number": "646-754-5000",
            "fax_number": "646-754-9538"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "ONE PARK AVENUE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "10016",
            "telephone_number": "646-754-5000",
            "fax_number": "646-754-9538"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MIXCO PENNISI",
        "first_name": "GIANNINA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-18",
        "last_updated": "2026-07-14",
        "certification_date": "2026-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC2200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "GIANNINA",
            "last_name": "MIXCO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Caroline Mitzel, DPT
• Brooke Mitzner, M.S.
• Miu K Ma MD PLLC
• Kwok Yung Miu, MD
• Michelle Q Miu
• Madison Mixer, MD
• Mixlab, Inc.
• Yayoi Miyajima, LCSW
• Lina Miyakawa, M.D.
• Ryo Miyakawa

• Clinical Child & Adolescent Psychologist in New York, NY
• Providers in New York, NY by specialty
• Clinical Child & Adolescent Psychologist in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 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.