Skip to content

Guy R. Nicastri, MD

NPI 1801826326ActiveIndividual· Surgery· Warwick, RI

Surgery (MD) in Warwick, Rhode Island, trained at Georgetown University School of Medicine (class of 1986). 89 Medicare patients in 2024, $25,916 paid; nearly all of their 53 Part D prescriptions were generic (98%). Stryker Corporation was the largest of 3 companies reporting payments in 2024, $2,011 in all, mostly travel and lodging.

Overview

NPI1801826326
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 3, 2006
Last updated in NPPESAug 13, 2025
Certified by providerAug 13, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Surgery Primary208600000XMD12419RI
Surgery208600000X58906MA

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - General Surgery (RI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients89
Services billed177 across 43 procedure codes
Paid by Medicare$25,916

Part D prescriptions in 2024

Prescriptions (claims)53 · 59 30-day fills
Patients42
Total drug cost$537.96
Generic share98% of claims

Medicare sources and data years

Education and affiliations

Medical schoolGeorgetown University School of Medicine
Graduation year1986
Medicare specialtyGeneral Surgery

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$2,011 · 17 payments from 3 companies

Top paying companies in 2024

CompanyAmountPayments
Stryker Corporation$1,22613
Kairos Surgical Inc$761.313
Arthrex, Inc.$24.001

What the 2024 payments were for

  • Travel and Lodging$1,563 · 11 payments
  • Food and Beverage$448.16 · 6 payments

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

Other Surgery providers in Warwick

All Surgery providers in Rhode Island →