Individual provider Active NPI

Halle J O'Brien

  • Dentist
  • Bridgeport, CT
National Provider Identifier
1275398810
Registry record updated Jul 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
DentistTaxonomy code 122300000X
License
11164 Issued in SC
Practice address
285 Old Battery Rd
Bridgeport, CT 06605-3621
Phone
(203) 382-4607
NPI assigned
Feb 13, 2024
Last updated
Jul 25, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 25, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X 11164 SC Primary

Addresses

Primary practice location

285 Old Battery Rd
Bridgeport, CT 06605-3621

Mailing address

635 Albany St
Boston, MA 02118-3550
Phone (617) 358-8300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
11164SCMDDentist

NPI Registry JSON

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

{
    "created_epoch": "1707782400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753401600000",
    "number": "1275398810",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "635 ALBANY ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021183550",
            "telephone_number": "617-358-8300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "285 OLD BATTERY RD",
            "city": "BRIDGEPORT",
            "state": "CT",
            "postal_code": "066053621",
            "telephone_number": "203-382-4607"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "HALLE",
        "middle_name": "J",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-02-13",
        "last_updated": "2025-07-25",
        "certification_date": "2025-07-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "SC",
            "license": "11164",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bridgeport, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.