Alexander S Elfenbein Physician PC

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

1637251 Issued in NY

Legal business name

ALEXANDER S ELFENBEIN PHYSICIAN PC

Practice address

40 East Merrick Road
Ste 104
Valley Stream, NY 11580-5947

Phone

(516) 568-2121

Fax

(516) 568-0426

NPI assigned

Nov 14, 2006

Last updated

Sep 11, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Alexander S. Elfenbein, MD

Title

Owner

Phone

(516) 568-2121

Specialties & licenses 3

Addresses

Other identifiers 1

Locations

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

{
    "created_epoch": "1163462400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1801968912",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "40 EAST MERRICK ROAD",
            "address_2": "STE 104",
            "city": "VALLEY STREAM",
            "state": "NY",
            "postal_code": "115805947",
            "telephone_number": "516-568-2121",
            "fax_number": "516-568-0426"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "40 EAST MERRICK ROAD",
            "address_2": "STE 104",
            "city": "VALLEY STREAM",
            "state": "NY",
            "postal_code": "115805947",
            "telephone_number": "516-568-2121",
            "fax_number": "516-568-0426"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ALEXANDER S ELFENBEIN PHYSICIAN PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-11-14",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "ELFENBEIN",
        "authorized_official_first_name": "ALEXANDER",
        "authorized_official_middle_name": "S.",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "516-568-2121",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "1637251",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NY",
            "license": "1637251",
            "primary": true
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "NY",
            "license": "1637251",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01063809",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Maleka Aiken
• Sabiha Akman Gundogan
• Shabrina Alam
• Holly Ann Albro
• Aleen Boyd-McKoy Nurse Practitioner in Psychiatry, PLLC
• Sarahbeth Alexandre, M.S., CCC-SLP
• Sigrid Maria Alexandre, MASTER IN BI-LINGUAL
• Gessika Alexis Jospeh, NONE
• Desse-Anna Alexis
• Dioget Alexis, LPN

• Cardiovascular Disease Physician in Valley Stream, NY
• Providers in Valley Stream, NY by specialty
• Cardiovascular Disease Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.