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Kenneth Mark Riff, M.D.

NPI 1053765149ActiveIndividual· Internal Medicine· Kailua Kona, HI

Internal Medicine (M.D.) in Kailua Kona, Hawaii, trained at University of California, San Francisco School of Medicine (class of 1977). Part D covered 204 prescriptions written in 2024, 81% of them generic.

Overview

NPI1053765149
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedApr 15, 2016
Last updated in NPPESApr 15, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X12450HI
Internal Medicine207R00000X32424MN

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 Practitioner - Internal Medicine (HI)

Part D prescriptions in 2024

Prescriptions (claims)204 · 484 30-day fills
Patients48
Total drug cost$29,570
Generic share81% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, San Francisco School of Medicine
Graduation year1977
Medicare specialtyInternal Medicine

Medical group

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 physicians in Kailua Kona

All 17 internal medicine physicians in Kailua Kona · All internal medicine physicians in Hawaii