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Jamin Feng, MD

NPI 1942250709ActiveIndividual· Internal Medicine· Ellensburg, WA

Internal Medicine (MD) with Kittitas County Public Hospital Dist 1, practicing in Ellensburg, Washington. Their prescriptions cost Medicare Part D more than their services did: $448,030 for 2,875 claims, against $65,520 paid for services in 2024. Lists Kittitas Valley Community Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1942250709
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 11, 2006
Last updated in NPPESAug 19, 2026
Certified by providerAug 19, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XMD00029578WA

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (WA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients399
Services billed466 across 13 procedure codes
Paid by Medicare$65,520

Part D prescriptions in 2024

Prescriptions (claims)2,875 · 5,737 30-day fills
Patients593
Total drug cost$448,030
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Graduation year1988
Medicare specialtyInternal Medicine
Secondary specialtiesGastroenterology

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 providers in Ellensburg

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