James Christopher O'Brien, M.D.

Primary specialty

Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X

License

40480 Issued in MA

Practice address

599 Farmington Ave
Farmington, CT 06032-2381

Phone

(860) 284-4950

Fax

(781) 290-0720

NPI assigned

Apr 10, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CT

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

Specialty

Pulmonary DiseaseAlso: Internal Medicine

Education

New York Medical College, 1975

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ear Nose and Throat Institute of Connecticut PLLCGroup PAC ID 4284078296, 25 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: james.obrien.npi1962465070.phpct@direct.optumcare.masshiway.net

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.

• Ear, Nose & Throat Institute of Connecticut PLLC

  • Otolaryngology Physician
  • Farmington, CT
  • NPI 1316724891
  Medicare reassignment Care Compare group NPD
• Respiratory Medical Associates

  • Specialist
  • Milton, MA
  • NPI 1750552204
  NPD (past) Authorized official

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

{
    "created_epoch": "1144627200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1712620800000",
    "number": "1962465070",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "599 FARMINGTON AVE",
            "city": "FARMINGTON",
            "state": "CT",
            "postal_code": "060322381",
            "telephone_number": "860-284-4950"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "599 FARMINGTON AVE",
            "city": "FARMINGTON",
            "state": "CT",
            "postal_code": "060322381",
            "telephone_number": "860-284-4950",
            "fax_number": "781-290-0720"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "JAMES",
        "middle_name": "CHRISTOPHER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-04-10",
        "last_updated": "2024-04-09",
        "certification_date": "2024-04-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "044652",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CT",
            "license": "044652",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "CT",
            "license": "044652",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "MA",
            "license": "40480",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0128783",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Anthony Nwankwo
• Paul C Nwokeji, DMD
• Cynthia Lynn Nye, PH.D.
• Theresa Nygren, LCSW
• Paul Nyklicek, LMFT, LADC
• Genevieve C. O'Connell, MD
• Kaitlin Jeanne O'Connor, APRN
• Joseph F O'Keefe, M.D.
• Courtney Elizabeth O'Reilly, DO
• Claudia Edwards Oakes, OTR/L

• Sleep Medicine (Internal Medicine) Physician in Farmington, CT
• Providers in Farmington, CT by specialty
• Sleep Medicine (Internal Medicine) Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 9, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.