Jason Zakko, M.D.

Primary specialty

Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X

License

80303 Issued in CT

Practice address

80 Seymour Street
Cardiac Surgery
Hartford, CT 06102-5037

Phone

(860) 696-5520

NPI assigned

Apr 2, 2015

Last updated

Oct 8, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 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

Thoracic Surgery

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Connecticut Health CenterGroup PAC ID 3678472016, 624 clinicians

Hartford Healthcare Medical Group Specialists PLLCGroup PAC ID 3173866241, 1,555 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hartford Healthcare at Home Home health agency, East Hartford, CT, CCN 077041
• Hartford Hospital Hospital, Hartford, CT, CCN 070025
• John Dempsey Hospital of the University of Connect Hospital, Farmington, CT, CCN 070036

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Hartford Healthcare Medical Group Specialists, PLLC

  • Surgery Physician
  • Hartford, CT
  • NPI 1023584216

  Thoracic Surgery (Cardiothoracic Vascular Surgery)

  Medicare reassignment Care Compare group NPD
• University of Connecticut Health Center

  dba University Physicians

  • General Practice Physician
  • Farmington, CT
  • NPI 1720083769

  Thoracic Surgery (Cardiothoracic Vascular Surgery)

  Medicare reassignment Care Compare group NPD
• Hartford Hospital

  • Surgery Physician
  • Hartford, CT
  • NPI 1407806391
  Medicare reassignment NPD
• Hartford Healthcare Medical Group Specialists LLC

  • Customized Equipment (DME)
  • Groton, CT
  • NPI 1295367068
  NPD
• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1770696643
  NPD
• University of Connecticut Health Center

  dba University Physicians

  • Durable Medical Equipment & Medical Supplies
  • Farmington, CT
  • NPI 1104809375
  NPD
• University of Connecticut Health Center

  • Clinical Medical Laboratory
  • Farmington, CT
  • NPI 1427031293
  NPD (past)

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

• Hartford Healthcare at Home, Inc

  • Home Health Agency
  • Wethersfield, CT
  • NPI 1073529566
  Care Compare affiliation
• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1770696643
  Care Compare affiliation
• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1902834880
  Care Compare affiliation
• John Dempsey Hospital at Solnit - South Campus

  • Psychiatric Hospital Unit
  • Middletown, CT
  • NPI 1154263713
  Care Compare affiliation
• State of Connecticut

  • General Acute Care Hospital
  • Farmington, CT
  • NPI 1669466561
  Care Compare affiliation

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

{
    "created_epoch": "1427932800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759881600000",
    "number": "1003201377",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1290 SILAS DEANE HWY",
            "address_2": "HHC-CVO",
            "city": "WETHERSFIELD",
            "state": "CT",
            "postal_code": "061094337",
            "telephone_number": "860-696-5520"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "80 SEYMOUR STREET",
            "address_2": "CARDIAC SURGERY",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061025037",
            "telephone_number": "860-696-5520"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "85 Seymour St Ste 919",
            "address_purpose": "LOCATION",
            "city": "Hartford",
            "state": "CT",
            "postal_code": "061065528",
            "country_code": "US",
            "telephone_number": "860-545-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "263 FARMINGTON AVENUE",
            "address_purpose": "LOCATION",
            "city": "FARMINGTON",
            "state": "CT",
            "postal_code": "060308063",
            "country_code": "US",
            "telephone_number": "860-679-3343",
            "fax_number": "860-679-4256",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZAKKO",
        "first_name": "JASON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-02",
        "last_updated": "2025-10-08",
        "certification_date": "2025-10-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "CT",
            "license": "80303",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jzakko90543@direct.med.uchc.edu",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "263 FARMINGTON AVENUE",
            "city": "FARMINGTON",
            "state": "CT",
            "country_code": "US",
            "postal_code": "060308063",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Adnan Zaidi, M.D.
• Samana Zaidi, DO
• Syeda Shwar Zaidi
• Geralda Zainalvand, LCSW
• Jennifer L Zajac, D.O.
• Amanda Zaleski, PHD, MSC, ACSM-RCEP
• Edwin Zalneraitis, MD
• Aieyat Basim Zalzala, PHD
• Natalie Zambrano-Rodriguez
• Jacob Zamstein, M.D.

• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Hartford, CT
• Providers in Hartford, CT by specialty
• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 8, 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.