Individual provider Active NPI

Abby Hornstein, MD

  • Blood Banking & Transfusion Medicine Physician
  • Gardner, MA
National Provider Identifier
1427048628
Registry record updated May 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Blood Banking & Transfusion Medicine PhysicianTaxonomy code 207ZB0001X
License
80164 Issued in MA
Practice address
242 Green St
Gardner, MA 01440-1336
Phone
(978) 630-6256
Fax
(978) 630-6489
NPI assigned
Oct 27, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 5, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Blood Banking & Transfusion Medicine Physician 207ZB0001X 80164 MA Primary
Clinical Pathology/Laboratory Medicine Physician 207ZP0105X 80164 MA
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 80164 MA
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X MD08831 RI

Addresses

Primary practice location

242 Green St
Gardner, MA 01440-1336

Mailing address

242 Green St
Gardner, MA 01440-1336
Phone (978) 630-6256

Other practice location 1

825 Chalkstone Ave
Providence, RI 02908-4728
Phone (401) 456-2109

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, RI2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20140925001438 MA Practitioner - Pathology 8123248150 Reassigns benefits to 1 organization
I20190131001278 RI Practitioner - Pathology 8123248150 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
Perelman School of Med at the University of Pennsylvania, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University Pathologists, LLCGroup PAC ID 4981780061, 20 clinicians

Practice addresses (Care Compare)

363 Highland Ave
Fall River, MA 02720-3703
Phone (508) 679-7168

825 Chalkstone Ave
Providence, RI 02908-4728
Phone (401) 456-2109

Hospital & facility affiliations

  • South County Hospital Inc Hospital, Wakefield, RI, CCN 410008
  • Our Lady of Fatima Hospital Hospital, North Providence, RI, CCN 410005
  • Newport Hospital Hospital, Newport, RI, CCN 410006
  • Rhode Island Hospital Hospital, Providence, RI, CCN 410007
  • The Miriam Hospital Hospital, Providence, RI, CCN 410012

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
80164MAMDAnatomic Pathology & Clinical Pathology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Pathologists, LLC Anatomic Pathology & Clinical Pathology CurrentSince Dec 12, 2018 Accepting new patients

Locations

363 Highland Ave
Fall River, MA 02720
Phone (508) 679-7052

1030 President Ave
Ste 213
Fall River, MA 02720
Phone (508) 572-2802

67 Slades Ferry Ave
Ste 6720
Somerset, MA 02726
Phone (401) 921-0252

825 Chalkstone Ave
Providence, RI 02908
Phone (401) 456-2000

Organizations & group practices 1

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.

Hospital & facility affiliations 8

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1130371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1427048628",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "242 GREEN ST",
            "city": "GARDNER",
            "state": "MA",
            "postal_code": "014401336",
            "telephone_number": "978-630-6256",
            "fax_number": "978-630-6489"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "242 GREEN ST",
            "city": "GARDNER",
            "state": "MA",
            "postal_code": "014401336",
            "telephone_number": "978-630-6256",
            "fax_number": "978-630-6489"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "825 Chalkstone Ave",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029084728",
            "country_code": "US",
            "telephone_number": "401-456-2109",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HORNSTEIN",
        "first_name": "ABBY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-10-27",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZB0001X",
            "taxonomy_group": "",
            "desc": "Pathology, Blood Banking & Transfusion Medicine",
            "state": "MA",
            "license": "80164",
            "primary": true
        },
        {
            "code": "207ZP0105X",
            "taxonomy_group": "",
            "desc": "Pathology, Clinical Pathology/Laboratory Medicine",
            "state": "MA",
            "license": "80164",
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "MA",
            "license": "80164",
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "RI",
            "license": "MD08831",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Gardner, MA

Sources for this page

Verify at the official NPI Registry.