405 River Street Operating Company, LLC

Primary specialty

Skilled Nursing FacilityTaxonomy code 314000000X

Legal business name

405 RIVER STREET OPERATING COMPANY, LLC

Practice address

405 River St
Mattapan, MA 02126-2210

Phone

(617) 296-5585

NPI assigned

Jan 8, 2026

Organization subpart

No

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

Authorized official

Name

Jeffrey Rubin

Title

Authorized Official

Phone

(516) 413-6321

Specialties & licenses 1

Addresses

Other names 1

• Care Village at Mattapan Doing business as

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

CLIA laboratory certificates

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Alireza Toossi, MD

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1780871970
  NPD (past)

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

{
    "created_epoch": "1767830400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776211200000",
    "number": "1609733757",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "405 RIVER ST",
            "city": "MATTAPAN",
            "state": "MA",
            "postal_code": "021262210",
            "telephone_number": "617-296-5585"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "405 RIVER ST",
            "city": "MATTAPAN",
            "state": "MA",
            "postal_code": "021262210",
            "telephone_number": "617-296-5585"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "405 RIVER STREET OPERATING COMPANY, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-01-08",
        "last_updated": "2026-04-15",
        "certification_date": "2026-04-15",
        "status": "A",
        "authorized_official_last_name": "RUBIN",
        "authorized_official_first_name": "JEFFREY",
        "authorized_official_title_or_position": "AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "516-413-6321"
    },
    "taxonomies": [
        {
            "code": "314000000X",
            "taxonomy_group": "",
            "desc": "Skilled Nursing Facility",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Care Village at Mattapan",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Abbey Rd Home Care Services Inc
• Muhammad L. Abdur-Razzaq, ED M
• Tamira Acce
• Access Care Everywhere, LLC
• Karen Adams, RN

• Skilled Nursing Facility in Mattapan, MA
• Providers in Mattapan, MA by specialty
• Skilled Nursing Facility in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 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.