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Mary Ann K. Arndt, M.D.

NPI 1750458329ActiveIndividual· Internal Medicine, Nephrology· Spokane, WA

Internal Medicine, Nephrology (M.D.) in Spokane, Washington, trained at Georgetown University School of Medicine (class of 2002). Medicare paid $48,872 for services to 149 patients in 2024.

Overview

NPI1750458329
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 29, 2006
Last updated in NPPESSep 13, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300XMD30286879WA
Internal Medicine, Nephrology207RN0300XMD157887OR

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 - Nephrology (WA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients149
Services billed742 across 9 procedure codes
Paid by Medicare$48,872

Medicare sources and data years

Education and affiliations

Medical schoolGeorgetown University School of Medicine
Graduation year2002
Medicare specialtyNephrology

Medical group

Hospital affiliations

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, Nephrology providers in Spokane

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