Individual provider Active NPI

Thomas Paul Mezzetti Jr., MD

  • Anatomic Pathology & Clinical Pathology Physician
  • Hartford, CT
National Provider Identifier
1083668453
Registry record updated Apr 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X
License
044080 Issued in CT
Practice address
80 Seymour St
Hartford, CT 06115-2701
Phone
(860) 545-2866
NPI assigned
May 20, 2006
Last updated
Apr 1, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 1, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 257784 MA
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 044080 CT Primary

Addresses

Primary practice location

80 Seymour St
Hartford, CT 06115-2701

Mailing address

80 Seymour St Ste 300
Hartford, CT 06115-2701
Phone (860) 545-2866

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20060601000170 CT Practitioner - Pathology 1759392913 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
Columbia University College of Physicians and Surgeons, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hartford Pathology Associates PCGroup PAC ID 8729989561, 29 clinicians

Practice addresses (Care Compare)

80 Seymour St
Pathology Dept
Hartford, CT 06141-0540
Phone (860) 545-2249

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
044080CTMDAnatomic Pathology & Clinical Pathology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hartford Pathology Associates, P.C. Anatomic Pathology & Clinical Pathology CurrentSince Nov 1, 2019 Accepting new patients
Hartford Hospital Current Accepting new patients
Associated Pathologists LLC Past Accepting new patients
Pathgroup Labs, LLC Past Accepting new patients
Puget Sound Institute of Pathology, PLLC Past Accepting new patients
Puget Sound Institute of Pathology PLLC Past Accepting new patients

Locations

80 Seymour St
Hartford, CT 06106
Phone (860) 545-2249

Interoperability endpoints

  • Direct secure messaging: thomas.mezzetti@xdr.hhchealthdirect.org

Organizations & group practices 6

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1148083200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743465600000",
    "number": "1083668453",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "80 SEYMOUR ST STE 300",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061152701",
            "telephone_number": "860-545-2866"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "80 SEYMOUR ST",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061152701",
            "telephone_number": "860-545-2866"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MEZZETTI",
        "first_name": "THOMAS",
        "middle_name": "PAUL",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-20",
        "last_updated": "2025-04-01",
        "certification_date": "2025-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "MA",
            "license": "257784",
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "CT",
            "license": "044080",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hartford, CT

Sources for this page

Verify at the official NPI Registry.