Individual provider Active NPI

Ella May Isaacson, CNO

  • Psychiatric/Mental Health Nurse Practitioner
  • Boston, MA
National Provider Identifier
1801536016
Registry record updated Apr 18, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
RN2347757 Issued in MA
Practice address
1601 Washington St
Boston, MA 02118-1951
Phone
(617) 425-2000
NPI assigned
Mar 29, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 18, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X RN2347757 MA Primary

Addresses

Primary practice location

1601 Washington St
Boston, MA 02118-1951

Mailing address

10 Gove St
East Boston, MA 02128-1920
Phone (617) 569-5800

Other practice location 1

17 Main St
Winthrop, MA 02152-2715
Phone (617) 569-5800

Other practice location 2

10 Gove St
East Boston, MA 02128-1920
Phone (617) 569-5800

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
I20221026000763 MA Practitioner - Nurse Practitioner 7911373345 Reassigns benefits to 4 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
RN2347757MAMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
General Hospital Corp Current Accepting new patients
The General Hospital Corporation CurrentSince May 1, 2025 Accepting new patients
Massachusetts General Physicians Organization Inc CurrentSince May 1, 2025 Accepting new patients
Medical Associates of Ebnhc Current Accepting new patients
Internal Medical Associates-Ebnhc CurrentSince Oct 3, 2022 Accepting new patients
Neighborhealth Corporation CurrentSince Oct 3, 2022 Accepting new patients

Locations

1 Bowdoin Sq
Boston, MA 02114
Phone (617) 643-9406

15 Parkman St
Boston, MA 02114
Phone (617) 726-3023

1601 Washington St
Boston, MA 02118
Phone (617) 425-2000

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

10 Grove St
East Boston, MA 02128
Phone (617) 569-5800

17 Main St
Winthrop, MA 02152
Phone (617) 568-6100

Interoperability endpoints

  • Direct secure messaging: isaacson.ella.mgh@direct.partners.masshiway.net
  • Direct secure messaging: eisaacson31838@direct.neighborhealth.masshiway.net

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1648512000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1681776000000",
    "number": "1801536016",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10 GOVE ST",
            "city": "EAST BOSTON",
            "state": "MA",
            "postal_code": "021281920",
            "telephone_number": "617-569-5800",
            "fax_number": "617-568-4756"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1601 WASHINGTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021181951",
            "telephone_number": "617-425-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "17 Main St",
            "address_purpose": "LOCATION",
            "city": "Winthrop",
            "state": "MA",
            "postal_code": "021522715",
            "country_code": "US",
            "telephone_number": "617-569-5800",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10 Gove St",
            "address_purpose": "LOCATION",
            "city": "East Boston",
            "state": "MA",
            "postal_code": "021281920",
            "country_code": "US",
            "telephone_number": "617-569-5800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ISAACSON",
        "first_name": "ELLA",
        "middle_name": "MAY",
        "credential": "CNO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-29",
        "last_updated": "2023-04-18",
        "certification_date": "2023-04-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MA",
            "license": "RN2347757",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.