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Arthur J. Siegel, MD

NPI 1881675601ActiveIndividual· Internal Medicine· Belmont, MA

Internal Medicine (MD) in Belmont, Massachusetts, trained at Harvard Medical School (class of 1967). Part D covered 166 prescriptions written in 2024, 95% of them generic.

Overview

NPI1881675601
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedNov 9, 2005
Last updated in NPPESFeb 11, 2014

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X30958MA

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 (MA)

Part D prescriptions in 2024

Prescriptions (claims)166 · 294 30-day fills
Patients11
Total drug cost$23,705
Generic share95% of claims

Medicare sources and data years

Education and affiliations

Medical schoolHarvard Medical School
Graduation year1967
Medicare specialtyInternal Medicine

Medical group

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 Belmont

All internal medicine physicians in Massachusetts