Dalia Gefen, PH.D.

Primary specialty

PsychologistTaxonomy code 103T00000X

License

019826 Issued in NY

Practice address

437 Rockaway Ave Ste 4
Valley Stream, NY 11581-1904

Phone

(347) 688-2855

NPI assigned

Oct 30, 2023

Sex

Female

Sole proprietor

Yes

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

Credentials

Doctor of Philosophy

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.

• Gefen Psychology PLLC

  • Psychologist
  • Valley Stream, NY
  • NPI 1235095324
  NPD (past) Authorized official

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

{
    "created_epoch": "1698624000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768348800000",
    "number": "1043083389",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "437 ROCKAWAY AVE STE 4",
            "city": "VALLEY STREAM",
            "state": "NY",
            "postal_code": "115811904",
            "telephone_number": "347-688-2855"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "437 ROCKAWAY AVE STE 4",
            "city": "VALLEY STREAM",
            "state": "NY",
            "postal_code": "115811904",
            "telephone_number": "347-688-2855"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEFEN",
        "first_name": "DALIA",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-10-30",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "NY",
            "license": "019826",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Emmanuella Gay
• Armando A Gayas, PT
• July Gaysynsky, M.D.
• Julia Hannah Gbondo
• Gefen Psychology PLLC
• Marie N Gelin, M.S.W., L.M.H.C.
• Gella Dignity Care Services
• Corinna M. Geller, SLP
• Natalie Genao
• Salma Gene, PA

• Psychologist in Valley Stream, NY
• Providers in Valley Stream, NY by specialty
• Psychologist in New York

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