Individual provider Active NPI

Erin Margaret Oakley, M.D.

  • Emergency Medicine Physician
  • Boston, MA
National Provider Identifier
1245691146
Registry record updated Sep 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
267502 Issued in MA
Practice address
243 Charles St
Boston, MA 02114-3002
Phone
(617) 573-3431
NPI assigned
Mar 19, 2016
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 1, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 267502 MA Primary

Addresses

Primary practice location

243 Charles St
Boston, MA 02114-3002

Mailing address

243 Charles St
Boston, MA 02114-3002
Phone (617) 573-3431

Other practice location 1

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-4100

Other names 1

  • Miss Erin Margaret Gallivan Former name

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200819000688 MA Practitioner - Emergency Medicine 6002101565 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Lawrence General HospitalGroup PAC ID 5092725200, 124 clinicians

Practice addresses (Care Compare)

1 General St
Lawrence, MA 01841-2961
Phone 97868340002979

243 Charles St
Boston, MA 02114-3002
Phone (617) 523-7900

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Lawrence General Hospital CurrentSince Jul 15, 2020 Accepting new patients
Massachusetts Eye and Ear Infirmary Current Accepting new patients
Lawrence General Hospital Emergency Medicine Current Accepting new patients
Massachusetts Eye and Ear Associates, Inc. CurrentSince Aug 15, 2025 Accepting new patients
General Primary Care of Lawrence CurrentSince Jul 15, 2020 Accepting new patients

Locations

243 Charles St
Boston, MA 02114
Phone (617) 523-7900

1 General St
Lawrence, MA 01841
Phone (978) 946-8103

Interoperability endpoints

  • Direct secure messaging: oakley.erin.meei@direct.partners.masshiway.net

Organizations & group practices 5

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 2

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": "1458345600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1245691146",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "243 CHARLES ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021143002",
            "telephone_number": "617-573-3431"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "243 CHARLES ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021143002",
            "telephone_number": "617-573-3431"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142696",
            "country_code": "US",
            "telephone_number": "617-724-4100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OAKLEY",
        "first_name": "ERIN",
        "middle_name": "MARGARET",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-03-19",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "267502",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ERIN",
            "last_name": "GALLIVAN",
            "middle_name": "MARGARET",
            "prefix": "MISS",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.