Yvonne O'Brien, LICSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

10685 Issued in CT

Practice address

157 Church St FL 19
New Haven, CT 06510-2100

Phone

(347) 981-6775

NPI assigned

Jan 20, 2015

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CT

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Cortes Counseling LLC

  • Clinical Social Worker
  • Oxford, CT
  • NPI 1962230037

  Clinical, CT

  Medicare reassignment NPD
• Empowered Minds, LLC

  • Clinical Social Worker
  • New Haven, CT
  • NPI 1386473981

  Clinical, CT

  Medicare reassignment NPD
• Yale University

  • Anesthesiology Physician
  • New Haven, CT
  • NPI 1205822236

  CT

  Medicare reassignment NPD
• Yale University

  • Durable Medical Equipment & Medical Supplies
  • Fairfield, CT
  • NPI 1548066962
  NPD

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

{
    "created_epoch": "1421712000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776124800000",
    "number": "1487043063",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "45 JEFFERSON RD UNIT 1-14",
            "city": "BRANFORD",
            "state": "CT",
            "postal_code": "064054130",
            "telephone_number": "203-208-0495"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "157 CHURCH ST FL 19",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065102100",
            "telephone_number": "347-981-6775"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "230 Ashmun Street",
            "address_purpose": "LOCATION",
            "city": "New Haven",
            "state": "CT",
            "postal_code": "06511",
            "country_code": "US",
            "telephone_number": "203-786-5970 x327",
            "fax_number": "203-777-5839",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "YVONNE",
        "credential": "LICSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-01-20",
        "last_updated": "2026-04-14",
        "certification_date": "2026-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CT",
            "license": "10685",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Karin Verna Nystrom, APRN
• Dia O'Brien, APRN
• Matthew Patrick O'Brien, MD
• Michael Kevin O'Brien, M.D.
• Samuel O'Brien
• Arlene O'Callahan, LPN
• Ciara Kiernan O'Connell, MD
• Lucy O'Connell, C.N.M., W.H.N.P, R.N
• Margaret O'Connell, LCSW
• Matthew Peter O'Connell, PHARMD

• All providers in New Haven, CT
• Clinical Social Worker in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 14, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.