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Kai Hans Hammerich, M.D.

NPI 1639308810ActiveIndividual· Urology· Bristol, CT

Urology (M.D.) with Nuvance Health Medical Practice CT Inc and 2 other groups, practicing in Bristol, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $201,003 for 3,122 claims, against $125,639 paid for services in 2024. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $18,129 in all, mostly consulting fees. Lists Bristol Hospital and 2 other hospitals as hospital affiliations.

Overview

NPI1639308810
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 8, 2009
Last updated in NPPESNov 9, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Urology Primary208800000X56474CT

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

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

Medicare services in 2024

Medicare patients343
Services billed1,918 across 65 procedure codes
Paid by Medicare$125,639

Part D prescriptions in 2024

Prescriptions (claims)3,122 · 7,299 30-day fills
Patients671
Total drug cost$201,003
Generic share94% of claims

Medicare sources and data years

Education and affiliations

Graduation year2004
Medicare specialtyUrology
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$18,129 · 10 payments from 2 companies
  • 2024$140.18 · 2 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Medtronic, Inc.$17,7587
Calyxo, Inc.$371.143

What the 2025 payments were for

  • Consulting Fee$17,600 · 1 payment
  • Food and Beverage$528.85 · 9 payments

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

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