Greenfield Rehabilitation and Nursing Center LLC

Primary specialty

Skilled Nursing FacilityTaxonomy code 314000000X

Legal business name

GREENFIELD REHABILITATION AND NURSING CENTER LLC

Practice address

359 High St
Greenfield, MA 01301-2617

Phone

(413) 774-6318

NPI assigned

Nov 16, 2021

Organization subpart

No

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

Authorized official

Name

Akiva Horowitz

Title

Manager

Phone

(718) 974-0266

Specialties & licenses 1

Addresses

Other names 1

• Poet's Seat Healthcare Center Doing business as

Medicare fee-for-service enrollment

Enrolled in MA

Enrollment records 1

Skilled nursing facility certification: CCN 225360

Legal name

GREENFIELD REHABILITATION AND NURSING CENTER LLC

Doing business as

POET'S SEAT HEALTHCARE CENTER

Certification status

Active

Provider type (POS)

Nursing home – SNF/NF dual certification

Participating since

May 30, 1989

Last certification

May 28, 2025

Beds

63

Ownership / control type

Limited Liability Corporation

Most recent change of ownership

Jan 14, 2022

Organization structure

LLCProprietary

Incorporated

Feb 21, 2000 in MA

Enrollment address

359 High St
Greenfield, MA 01301-2617

Nursing home name

POET'S SEAT HEALTHCARE CENTER

Affiliated entity

EPHRAM LAHASKY

Listed as

Poet'S Seat Healthcare CenterCCN 225360

Overall star rating

3 of 5

Health inspections

3 of 5

Staffing

1 of 5

Quality measures

5 of 5

Type

Medicare and Medicaid

Ownership

For profit - Limited Liability company

Certified

May 30, 1989

Medicare certification status

ActiveFrom the Provider of Services file

Certified beds

6356.8 residents per day on average

Chain

Ephram Lahasky22 facilities in the chain

Penalties (3 years)

1Fines totaling $5,541

Processed by Care Compare on Aug 1, 2026.

All disclosed owners & managing parties 10

As disclosed on the Medicare enrollment (CMS All Owners files). Individuals include officers, directors and managing employees, who may not hold ownership.

Owners & managing parties with NPI records 1

Owners and managing parties disclosed on this facility’s Medicare enrollment that are themselves Medicare-enrolled.

• Joseph J Viadero, M.D.

  • Internal Medicine Physician
  • Turners Falls, MA
  • NPI 1821087016

  Adp of the SNF, Operational/Managerial Control

  CMS ownership

Practitioners 3

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

• Joshua Mintz, MD

  • Family Medicine Physician
  • Leeds, MA
  • NPI 1083682082
  NPD (past)
• Joseph J Viadero, M.D.

  • Internal Medicine Physician
  • Turners Falls, MA
  • NPI 1821087016
  NPD (past)
• Winthrop F Whitcomb, MD

  • Hospitalist Physician
  • Northampton, MA
  • NPI 1558328898
  NPD (past)

Affiliated clinicians 1

Clinicians who list this facility as an affiliation in Medicare Care Compare.

• Joseph J Viadero, M.D.

  • Internal Medicine Physician
  • Turners Falls, MA
  • NPI 1821087016

  Nursing home

  Care Compare affiliation

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

{
    "created_epoch": "1637020800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1637020800000",
    "number": "1144986977",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "359 HIGH ST",
            "city": "GREENFIELD",
            "state": "MA",
            "postal_code": "013012617"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "359 HIGH ST",
            "city": "GREENFIELD",
            "state": "MA",
            "postal_code": "013012617",
            "telephone_number": "413-774-6318"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GREENFIELD REHABILITATION AND NURSING CENTER LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-11-16",
        "last_updated": "2021-11-16",
        "certification_date": "2021-11-16",
        "status": "A",
        "authorized_official_last_name": "HOROWITZ",
        "authorized_official_first_name": "AKIVA",
        "authorized_official_title_or_position": "MANAGER",
        "authorized_official_telephone_number": "718-974-0266"
    },
    "taxonomies": [
        {
            "code": "314000000X",
            "taxonomy_group": "",
            "desc": "Skilled Nursing Facility",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Poet's Seat Healthcare Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Greenfield Management Systems, Inc
• Greenfield Management Systems, Inc
• Greenfield OB-GYN Associates, PC
• Greenfield Primary Care PLLC
• Greenfield Radiology Associates, P.C.
• Greenfield Women'S Health Center LLC
• Cathy Greenquist
• James John Greer Jr., BA, MS, CADC, LADC1
• Mary Katelyn Griggs, MSCP
• Gordon David Gross, MSW

• All providers in Greenfield, MA
• Skilled Nursing Facility in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 16, 2021; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data.
• 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.