Marissa Diaco, PSYD

Primary specialty

PsychologistTaxonomy code 103T00000X

License

028063 Issued in NY

Practice address

629 Fifth Ave Ste 109
Pelham, NY 10803-3708

Phone

(914) 368-2995

NPI assigned

Jun 17, 2026

Last updated

Jun 17, 2026By the provider in NPPES

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

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

• Upshur Bren Psychology Group

  • Clinical Psychologist
  • Pelham, NY
  • NPI 1710764329
  NPD (past)

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

{
    "created_epoch": "1781654400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781654400000",
    "number": "1245165562",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "139 W 74TH ST APT 4A",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100232271"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "629 FIFTH AVE STE 109",
            "city": "PELHAM",
            "state": "NY",
            "postal_code": "108033708",
            "telephone_number": "914-368-2995"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIACO",
        "first_name": "MARISSA",
        "name_prefix": "Dr.",
        "credential": "PSYD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-06-17",
        "last_updated": "2026-06-17",
        "certification_date": "2026-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "NY",
            "license": "028063",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Psychologist in Pelham, NY
• Providers in Pelham, NY by specialty
• Psychologist in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 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.