Kenneth N.M. Sumida, M.D.

NPI 1437126380ActiveIndividual· Internal Medicine, Hematology & Oncology· Honolulu, HI

Internal Medicine, Hematology & Oncology (M.D.) in Honolulu, Hawaii, trained at University of Hawaii John A. Burns School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $6,589,640 for 1,477 claims, against $96,567 paid for services in 2024. US Oncology Corporate, Inc. was the largest of 2 companies reporting payments in 2025, $355.50 in all, mostly food and beverage.

Overview

NPI	1437126380
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Feb 28, 2006
Last updated in NPPES	Jan 12, 2023
Certified by provider	Jan 12, 2023

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Hematology & Oncology Primary	207RH0003X	MD6645	HI

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Medical Oncology (HI)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	314
Services billed	1,124 across 14 procedure codes
Paid by Medicare	$96,567

Part D prescriptions in 2024

Prescriptions (claims)	1,477 · 2,147 30-day fills
Patients	192
Total drug cost	$6,589,640
Generic share	69% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Hawaii John A. Burns School of Medicine
Graduation year	1982
Medicare specialty	Medical Oncology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth