Alsa Research LLC

Primary specialty

Research Clinic/CenterTaxonomy code 261QR1100X

Legal business name

ALSA RESEARCH LLC

Practice address

47 Oak St
Stamford, CT 06905-5316

Phone

(203) 325-8529

NPI assigned

Apr 24, 2026

Last updated

Apr 24, 2026By 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

Sam Stein

Title

Ceo

Phone

(203) 253-2763

Specialties & licenses 1

Addresses

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

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

{
    "created_epoch": "1776988800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776988800000",
    "number": "1780520510",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "47 OAK ST",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069055316",
            "telephone_number": "203-325-8529"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "47 OAK ST",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069055316",
            "telephone_number": "203-325-8529"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4641 Main St Ste 3",
            "address_purpose": "LOCATION",
            "city": "Bridgeport",
            "state": "CT",
            "postal_code": "066061827",
            "country_code": "US",
            "telephone_number": "203-374-9816",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "ALSA RESEARCH LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-04-24",
        "last_updated": "2026-04-24",
        "certification_date": "2026-04-24",
        "status": "A",
        "authorized_official_last_name": "STEIN",
        "authorized_official_first_name": "SAM",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "203-253-2763"
    },
    "taxonomies": [
        {
            "code": "261QR1100X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Research",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Allercenter 1 LLC
• Allergy & Asthma Associates of Stamford, P.C/
• Allergy & Asthma Center of Stamford
• Janaina T Allimant
• Amanda Margaret Alon, DMD
• Melanie Alswanger
• Karen Alter-Reid, PH.D.
• Bradley J Altman
• James William Altmann Jr., M.D.
• Janessa Alvarez-Ortiz

• Research Clinic/Center in Stamford, CT
• Providers in Stamford, CT by specialty
• Research Clinic/Center in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.