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William F. Grella, MD

NPI 1568497824ActiveIndividual· Internal Medicine· Wayne, NJ

Internal Medicine (MD) with Integrated Hospital Medicine LLC, practicing in Wayne, New Jersey. In 2024 Medicare paid $776,580 for 595 patients, and Part D covered 11,269 of their prescriptions, 85% of them generic. Lists Morristown Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI1568497824
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 12, 2006
Last updated in NPPESDec 3, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X221446NY
Internal Medicine207R00000X25MA07304300NJ

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 (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients595
Services billed8,472 across 14 procedure codes
Paid by Medicare$776,580

Part D prescriptions in 2024

Prescriptions (claims)11,269 · 11,339 30-day fills
Patients271
Total drug cost$1,118,388
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Graduation year1997
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

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 Wayne

All 64 internal medicine physicians in Wayne · All internal medicine physicians in New Jersey