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Stephen D. Hennessey, MD

NPI 1376544098ActiveIndividual· General Practice· Chehalis, WA

General Practice (MD) in Chehalis, Washington, trained at University of Texas Medical School at Houston (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $6,750 for 429 claims, against $2,739 paid for services in 2024.

Overview

NPI1376544098
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 3, 2005
Last updated in NPPESOct 31, 2022
Certified by providerOct 31, 2022

Specialties and licenses

TaxonomyCodeLicenseState
General Practice Primary208D00000XMD00025264WA

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - General Practice (WA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients80
Services billed141 across 7 procedure codes
Paid by Medicare$2,739

Part D prescriptions in 2024

Prescriptions (claims)429 · 448 30-day fills
Patients292
Total drug cost$6,750
Generic share82% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Texas Medical School at Houston
Graduation year1983
Medicare specialtyGeneral Practice

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 General Practice providers in Chehalis

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