Organization Active NPI

Internal Medicine of East Haven PC

  • Internal Medicine Physician
  • Branford, CT
National Provider Identifier
1790746337
Registry record updated Jun 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
INTERNAL MEDICINE OF EAST HAVEN PC
Practice address
144 N Main St Ste 5
Branford, CT 06405-3044
Phone
(203) 468-9775
NPI assigned
Mar 31, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 11, 2026

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

Authorized official

Name
Dr. Mark Sherard Kasper, MDNPI 1780648238
Title
President
Phone
(203) 468-9775

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
SpecialistGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 174400000X 024717 CT
SpecialistGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 174400000X 024588 CT
SpecialistGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 174400000X 030998 CT
Internal Medicine PhysicianGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 207R00000X Primary

Addresses

Primary practice location

144 N Main St Ste 5
Branford, CT 06405-3044

Mailing address

144 N Main St Ste 5
Branford, CT 06405-3044
Phone (203) 468-9775

Other identifiers 1

IdentifierTypeStateIssuer
001309980MedicaidCT

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20061023000034 CT Part B Supplier - Clinic/Group Practice 5294732905 Receives reassigned benefits from 3 practitioners
Practice locations: Branford, CT

National Provider Directory

National Provider Directory

Locations

144 N Main St
Ste 5
Branford, CT 06405

339 Hemingway Ave
East Haven, CT 06512
Phone (203) 468-9775

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/GHECDA

Practitioners & affiliated clinicians

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1143763200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1781136000000",
    "number": "1790746337",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "144 N MAIN ST STE 5",
            "city": "BRANFORD",
            "state": "CT",
            "postal_code": "064053044",
            "telephone_number": "203-468-9775"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "144 N MAIN ST STE 5",
            "city": "BRANFORD",
            "state": "CT",
            "postal_code": "064053044",
            "telephone_number": "203-468-9775"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "INTERNAL MEDICINE OF EAST HAVEN PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-03-31",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A",
        "authorized_official_last_name": "KASPER",
        "authorized_official_first_name": "MARK",
        "authorized_official_middle_name": "SHERARD",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "203-468-9775",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Specialist",
            "state": "CT",
            "license": "024717",
            "primary": false
        },
        {
            "code": "174400000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Specialist",
            "state": "CT",
            "license": "024588",
            "primary": false
        },
        {
            "code": "174400000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Specialist",
            "state": "CT",
            "license": "030998",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001309980",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Branford, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.