Individual provider Active NPI

Erin Mary O'Brien, FNP-C

  • Family Nurse Practitioner
  • North Andover, MA
National Provider Identifier
1225680747
Registry record updated Oct 2, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
RN2320796 Issued in MA
Practice address
231 Sutton St Ste 1a
North Andover, MA 01845-1620
Phone
(978) 655-1042
NPI assigned
Jul 15, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 2, 2019

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X RN2320796 MA
Family Nurse Practitioner 363LF0000X RN2320796 MA Primary

Addresses

Primary practice location

231 Sutton St Ste 1a
North Andover, MA 01845-1620

Mailing address

423 Main St
Rowley, MA 01969-1207

Other practice location 1

423 Main St
Rowley, MA 01969-1207
Phone (802) 777-5171

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
I20250428002895 MA Practitioner - Nurse Practitioner 8628594108 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Simon Faynzilberg MD PCGroup PAC ID 1850546078, 6 clinicians

Practice addresses (Care Compare)

25 Highland Ave
Newburyport, MA 01950-3867
Phone (978) 463-1000

Hospital & facility affiliations

  • Anna Jaques Hospital Hospital, Newburyport, MA, CCN 220029

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
RN2320796MAMDRegistered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Simon Faynzilberg, MD, PC CurrentSince Jan 25, 2025 Accepting new patients
Zaheen Medical Center LLC CurrentSince Oct 6, 2019 Accepting new patients

Locations

25 Highland Ave
Newburyport, MA 01950
Phone (978) 258-4734

231 Sutton St
Ste 1A
North Andover, MA 01845
Phone (978) 655-1042

110 Winn St
Ste 104
Woburn, MA 01801

Interoperability endpoints

  • Direct secure messaging: eobrien480629@direct.bilh.masshiway.net
  • FHIR API: https://fhir4.healow.com/fhir/r4/DAJEBD

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 and National Provider Directory roles.

Hospital & facility affiliations 1

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": "1563148800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1569974400000",
    "number": "1225680747",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "423 MAIN ST",
            "city": "ROWLEY",
            "state": "MA",
            "postal_code": "019691207"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "231 SUTTON ST STE 1A",
            "city": "NORTH ANDOVER",
            "state": "MA",
            "postal_code": "018451620",
            "telephone_number": "978-655-1042"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "423 Main St",
            "address_purpose": "LOCATION",
            "city": "Rowley",
            "state": "MA",
            "postal_code": "019691207",
            "country_code": "US",
            "telephone_number": "802-777-5171",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "ERIN",
        "middle_name": "MARY",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-07-15",
        "last_updated": "2019-10-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MA",
            "license": "RN2320796",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MA",
            "license": "RN2320796",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in North Andover, MA

Sources for this page

Verify at the official NPI Registry.