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Katherine Hahn Medical Corporation

NPI 1871406397ActiveOrganization· Internal Medicine, Gastroenterology· Santa Monica, CA

Internal Medicine, Gastroenterology in Santa Monica, California, registered in NPPES in September 2026. The authorized official on file is Katherine J. Hahn, MD, Owner.

Overview

NPI1871406397
StatusActive
Entity typeOrganization
NPI issuedSep 25, 2026
Last updated in NPPESSep 25, 2026
Certified by providerSep 25, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X——

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)Not in the public enrollment file of Oct 1, 2026

Medicare sources and data years

Other Internal Medicine, Gastroenterology providers in Santa Monica

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