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Howard Douglas Klein, M.D.

NPI 1063456325ActiveIndividual· Internal Medicine· Northampton, MA

Internal Medicine (M.D.) in Northampton, Massachusetts, licensed in CT, with an NPI issued in June 2006. Part D covered 120 prescriptions written in 2024, 98% of them generic.

Overview

NPI1063456325
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 16, 2006
Last updated in NPPESJul 13, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X027988CT

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 Order and Referring Only - Internal Medicine (MA)

Part D prescriptions in 2024

Prescriptions (claims)120 · 350 30-day fills
Patients12
Total drug cost$2,678
Generic share98% of claims

Medicare sources and data years

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 Northampton

All 25 internal medicine physicians in Northampton · All internal medicine physicians in Massachusetts