Skip to content

Andrew Donati, MD

NPI 1730543653ActiveIndividual· Internal Medicine, Nephrology· Waterbury, CT

Internal Medicine, Nephrology (MD) with Connecticut Kidney and Hypertension Specialists, LLC, practicing in Waterbury, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $260,532 for 2,158 claims, against $173,000 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 19 companies reporting payments in 2025, $947.28 in all, mostly food and beverage. Lists Charlotte Hungerford Hospital and 3 other hospitals as hospital affiliations.

Overview

NPI1730543653
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 6, 2016
Last updated in NPPESSep 23, 2022
Certified by providerSep 23, 2022

Specialties and licenses

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 - Internal Medicine (CT); Practitioner - Hospitalist (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients367
Services billed3,864 across 46 procedure codes
Paid by Medicare$173,000

Part D prescriptions in 2024

Prescriptions (claims)2,158 · 4,728 30-day fills
Patients371
Total drug cost$260,532
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Graduation year2016
Medicare specialtyInternal Medicine
Secondary specialtiesNephrology

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$947.28 · 39 payments from 19 companies
  • 2024$934.20 · 43 payments from 16 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$910.44 · 36 payments
  • Education$36.84 · 3 payments

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

Other nephrologists in Waterbury

All nephrologists in Connecticut