INTERNAL MEDICINE OF EAST HAVEN PC
NPI 1790746337
Internal Medicine in Branford, CT

Q: What is Internal Medicine Of East Haven PC's NPI number?

The NPI number for Internal Medicine Of East Haven PC is 1790746337. It was assigned to this organization in the NPPES registry on March 31, 2006.

Q: What is Internal Medicine Of East Haven PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since March 31, 2006CLIA 07D0098692 · Waiver

144 N MAIN ST STE 5, BRANFORD, CT 06405(203) 468-9775 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Internal Medicine Of East Haven Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

INTERNAL MEDICINE OF EAST HAVEN PC (NPI 1790746337) is a healthcare organization registered as an internal medicine in Branford, Connecticut and active in the NPI registry since March 2006. The organization holds a CLIA Waiver certificate valid through December 9, 2027 and lists Mark Sherard Kasper, President, as its authorized official.

NPPES Registry Identity

NPI1790746337

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameINTERNAL MEDICINE OF EAST HAVEN PC

Location Address144 N MAIN ST STE 5Branford, CT 06405-3044

Mailing Address144 N Main St Ste 5Branford, CT 06405-3044 · (203) 468-9775

Phone(203) 468-9775

Organization SubpartNo

Authorized OfficialMark Sherard KasperPresident · (203) 468-9775

Enumeration DateMarch 31, 2006

Last NPPES UpdateJune 11, 2026

NPPES CertifiedJune 11, 2026

✔ NPI 1790746337 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedSpecialistTaxonomy 174400000X · License 024717 (CT), 030998 (CT), 024588 (CT)

144 N MAIN ST STE 5, Branford, CT 06405

Open in Google Maps ↗

Other Identifiers 1

Medicaid001309980CT

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Internal Medicine Of East Haven Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Internal Medicine Of East Haven PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mark Kasper, MD

Internal Medicine

NPI 1780648238

144 N MAIN ST STE 5
Branford, CT 06405

(203) 468-9775

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 07D0098692

Internal Medicine Of East Haven · Branford, CT

Active · expires Dec 9, 2027

CLIA Number07D0098692

Laboratory TypePhysician Office

Certificate Effective DateDecember 10, 2025

Certificate Expiration DateDecember 9, 2027

Laboratory DirectorMark S. Kasper

Laboratory Phone(203) 468-9775

Laboratory LocationInternal Medicine Of East Haven144 North Main St, Ste 5, Branford, CT 06405

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Internal Medicine Of East Haven PC's NPI number?

The NPI number for Internal Medicine Of East Haven PC is 1790746337. It was assigned to this organization in the NPPES registry on March 31, 2006.

Where is Internal Medicine Of East Haven PC located?

Internal Medicine Of East Haven PC is located at 144 N Main St Ste 5, Branford, CT 06405. The listed phone number is (203) 468-9775.

What is Internal Medicine Of East Haven PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Internal Medicine Of East Haven PC enrolled in Medicare?

Yes. Internal Medicine Of East Haven PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Internal Medicine Of East Haven PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Internal Medicine Of East Haven PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Internal Medicine Of East Haven PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 07D0098692) is associated with this NPI, valid through December 9, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Internal Medicine Of East Haven PC accept?

Health plans from Anthem Blue Cross and Blue Shield list Internal Medicine Of East Haven PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Internal Medicine Of East Haven PC was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.