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Alexander J. Harmatz, M.D.

NPI 1730142696ActiveIndividual· Internal Medicine, Gastroenterology· Providence, RI

Internal Medicine, Gastroenterology (M.D.) in Providence, Rhode Island, trained at Medical College of Georgia School of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $231,179 for 487 claims, against $49,857 paid for services in 2024. Gilead Sciences, Inc. was the largest of 7 companies reporting payments in 2025, $768.57 in all, mostly food and beverage.

Overview

NPI1730142696
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 10, 2006
Last updated in NPPESApr 6, 2026
Certified by providerApr 6, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100XMD16455RI

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 (PA); Practitioner - Gastroenterology (RI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients165
Services billed491 across 36 procedure codes
Paid by Medicare$49,857

Part D prescriptions in 2024

Prescriptions (claims)487 · 923 30-day fills
Patients193
Total drug cost$231,179
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMedical College of Georgia School of Medicine
Graduation year1984
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$768.57 · 26 payments from 7 companies
  • 2024$608.44 · 25 payments from 12 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$768.57 · 26 payments

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

Other gastroenterologists in Providence

All 67 gastroenterologists in Providence · All gastroenterologists in Rhode Island