NPI Lens

Barry J. Kemler, M.D.

NPI 1639177629ActiveIndividual· Internal Medicine, Gastroenterology· New Britain, CT

Internal Medicine, Gastroenterology (M.D.) in New Britain, Connecticut, licensed in CT, with an NPI issued in July 2005. Their prescriptions cost Medicare Part D more than their services did: $95,646 for 399 claims, against $31,500 paid for services in 2024. Abbvie Inc. reported $44.82 in payments in 2025, mostly food and beverage.

Overview

NPI1639177629
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 13, 2005
Last updated in NPPESJul 9, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X22221CT

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Gastroenterology (CT)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients182
Services billed235 across 16 procedure codes
Paid by Medicare$31,500

Part D prescriptions in 2024

Prescriptions (claims)399 · 675 30-day fills
Patients278
Total drug cost$95,646
Generic share47% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$44.82 · 2 payments from 1 company
  • 2024$91.83 · 4 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$44.822

What the 2025 payments were for

  • Food and Beverage$44.82 · 2 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other gastroenterologists in New Britain

All gastroenterologists in Connecticut