Individual provider Active NPI

Hannah Lee Ammirato

  • Physician Assistant
  • Boston, MA
National Provider Identifier
1306733175
Registry record updated Apr 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
Practice address
450 Brookline Ave
Boston, MA 02215-5450
Phone
(617) 278-0055
NPI assigned
Jun 23, 2025
Last updated
Apr 19, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 19, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X Primary

Addresses

Primary practice location

450 Brookline Ave
Boston, MA 02215-5450

Mailing address

577 Western Ave
Westfield, MA 01085-2580
Phone (413) 572-8666

Other practice location 1

577 Western Ave
Westfield, MA 01085-2580
Phone (413) 572-8666

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260407003139 MA Practitioner - Physician Assistant 0749755742 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dana-Farber Cancer Institute, Inc.Group PAC ID 9133038904, shared by 5 NPIs, 671 clinicians

Practice addresses (Care Compare)

450 Brookline Ave
Boston, MA 02215-5418

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1750636800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776556800000",
    "number": "1306733175",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "577 WESTERN AVE",
            "city": "WESTFIELD",
            "state": "MA",
            "postal_code": "010852580",
            "telephone_number": "413-572-8666"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155450",
            "telephone_number": "617-278-0055"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "577 Western Ave",
            "address_purpose": "LOCATION",
            "city": "Westfield",
            "state": "MA",
            "postal_code": "010852580",
            "country_code": "US",
            "telephone_number": "413-572-8666",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AMMIRATO",
        "first_name": "HANNAH",
        "middle_name": "LEE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-06-23",
        "last_updated": "2026-04-19",
        "certification_date": "2026-04-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.