Active NPI
Internal Medicine of East Haven PC
- Internal Medicine Physician
- Branford, CT
National Provider Identifier
1790746337
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Mark Sherard Kasper, MD
- 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) | Code | License | State | Primary |
|---|---|---|---|---|
| Specialist | 174400000X | 024717 | CT | |
| Specialist | 174400000X | 024588 | CT | |
| Specialist | 174400000X | 030998 | CT | |
| Internal Medicine Physician | 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 001309980 | Medicaid | CT |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT
Enrollment records 1
National Provider Directory
National Provider DirectoryLocations
144 N Main St
Ste 5
Branford, CT 06405
339 Hemingway Ave
East Haven, CT 06512
Phone (203) 468-9775
Interoperability endpoints
- 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.
-
- Internal Medicine Physician
- Branford, CT
- NPI 1780648238
-
- Physician Assistant
- Branford, CT
- NPI 1366166910
-
- Physician Assistant
- Branford, CT
- NPI 1588397921
-
- Physician Assistant
- Branford, CT
- NPI 1255252599
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.