Ciaran O'Brien, MD

Primary specialty

Vascular Surgery PhysicianTaxonomy code 2086S0129X

License

25MA12786300 Issued in NJ

Practice address

1 Cooper PLZ
Camden, NJ 08103-1461

Phone

(856) 342-2000

NPI assigned

Apr 12, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in NJ

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

Vascular Surgery

Education

Columbia University College of Physicians and Surgeons, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cooper Surgical Associates, PAGroup PAC ID 3274430764, 303 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Cooper University Hospital Hospital, Camden, NJ, CCN 310014
• Inspira Medical Center Vineland Hospital, Vineland, NJ, CCN 310032

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cobrien319329@direct.cooperhealth.edu

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.

• Cooper Surgical Associates, PA

  • Orthopaedic Surgery Physician
  • Voorhees, NJ
  • NPI 1427177195
  Medicare reassignment Care Compare group NPD
• Cooper Surgical Associates, PA

  • Surgery Physician
  • Camden, NJ
  • NPI 1649217514
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Inspira Medical Centers, Inc.

  dba Inspira Medical Center Vineland

  • General Acute Care Hospital
  • Vineland, NJ
  • NPI 1164487542
  Care Compare affiliation
• The Cooper Health System

  dba Cooper University Hospital

  • Land Ambulance
  • Camden, NJ
  • NPI 1174976724

  Hospital

  Care Compare affiliation
• The Cooper Health System

  • General Acute Care Hospital
  • Camden, NJ
  • NPI 1568442309
  Care Compare affiliation

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

{
    "created_epoch": "1460419200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1548624877",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 FEDERAL ST STE 200",
            "city": "CAMDEN",
            "state": "NJ",
            "postal_code": "081031088",
            "telephone_number": "848-288-6935",
            "fax_number": "732-790-0107"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 COOPER PLZ",
            "city": "CAMDEN",
            "state": "NJ",
            "postal_code": "081031461",
            "telephone_number": "856-342-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3400 Spruce St",
            "address_2": "4 Maloney, Surgical Education Office",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191044238",
            "country_code": "US",
            "telephone_number": "800-789-7366",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "CIARAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-12",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "PA",
            "license": "MT210656",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "PA",
            "license": "MD467241",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "NJ",
            "license": "25MA12786300",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Paapa Kwaku Owusu Nyanin, MD
• Andrew L Nyce, M.D.
• Joseph B Nyzio, DO
• Amanda O'Brien
• Caitlin O'Brien
• Brendan Garrett O'Connell, M.D.
• Kaitlyn O'Connor, MD
• Amy O'Donnell, CRNA
• Harla Kelly O'Donnell, D.O
• Kristine Erin O'Drain, OTR, CHT

• Vascular Surgery Physician in Camden, NJ
• Providers in Camden, NJ by specialty
• Vascular Surgery Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 2025; 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.