Individual provider Active NPI

Karl Alcan, M.D.

  • Nuclear Cardiology Physician
  • Trumbull, CT
National Provider Identifier
1689778144
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nuclear Cardiology PhysicianTaxonomy code 207UN0901X
License
025307 Issued in CT
Practice address
115 Technology Dr
Trumbull, CT 06611-6337
Phone
(203) 445-7093
NPI assigned
Sep 12, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 025307 CT
Interventional Cardiology Physician 207RI0011X 025307 CT
Nuclear Cardiology Physician 207UN0901X 025307 CT Primary

Addresses

Primary practice location

115 Technology Dr
Trumbull, CT 06611-6337

Mailing address

1177 Summer St
5TH Floor
Stamford, CT 06905-5572

Other identifiers 1

IdentifierTypeStateIssuer
1253070MedicaidCT

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
025307CTMDNuclear Cardiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cardiology Associates of Fairfield County PC Cardiovascular Disease Past Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1158019200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1689778144",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1177 SUMMER ST",
            "address_2": "5TH FLOOR",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069055572"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "115 TECHNOLOGY DR",
            "city": "TRUMBULL",
            "state": "CT",
            "postal_code": "066116337",
            "telephone_number": "203-445-7093"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALCAN",
        "first_name": "KARL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-12",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CT",
            "license": "025307",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "CT",
            "license": "025307",
            "primary": false
        },
        {
            "code": "207UN0901X",
            "taxonomy_group": "",
            "desc": "Nuclear Medicine, Nuclear Cardiology",
            "state": "CT",
            "license": "025307",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1253070",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Trumbull, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.