NPI Lens

Gregorio Alvarez, MD

NPI 1669457495ActiveIndividual· Emergency Medicine· Staten Island, NY

Emergency Medicine (MD) with North Shore-Lij Medical PC, practicing in Staten Island, New York. Mostly services rather than prescriptions: Medicare paid $60,284 for 381 patients in 2024, with only 31 Part D claims. Lists Staten Island University Hospital as a hospital affiliation.

Overview

NPI1669457495
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedDec 14, 2005
Last updated in NPPESMay 3, 2010

Specialties and licenses

TaxonomyCodeLicenseState
Emergency Medicine Primary207P00000X192988NY

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 - Emergency Medicine (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients381
Services billed441 across 10 procedure codes
Paid by Medicare$60,284

Part D prescriptions in 2024

Prescriptions (claims)31 · 31 30-day fills
Patients24
Total drug cost$247.47
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Graduation year1987
Medicare specialtyEmergency Medicine

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Emergency Medicine providers in Staten Island

All Emergency Medicine providers in New York →