NPI Lens

Jonathan M. Greenberg, MD

NPI 1801989025ActiveIndividual· Internal Medicine· Eastchester, NY

Internal Medicine (MD) in Eastchester, New York, trained at State University of New York Downstate Medical Center (class of 1984). 246 Medicare patients in 2024, $23,590 paid; nearly all of their 1,306 Part D prescriptions were generic (93%).

Overview

NPI1801989025
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedOct 2, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X163602NY

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 (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients246
Services billed364 across 23 procedure codes
Paid by Medicare$23,590

Part D prescriptions in 2024

Prescriptions (claims)1,306 · 1,337 30-day fills
Patients708
Total drug cost$17,367
Generic share93% of claims

Medicare sources and data years

Education and affiliations

Medical schoolState University of New York Downstate Medical Center
Graduation year1984
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

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 internal medicine physicians in Eastchester

All 18 internal medicine physicians in Eastchester · All internal medicine physicians in New York