Ken C. Arakawa, M.D.

NPI 1558334888ActiveIndividual· Specialist· Honolulu, HI

Specialist (M.D.) in Honolulu, Hawaii, trained at University of Hawaii John A. Burns School of Medicine (class of 1982). 1,210 Medicare patients in 2024, $5,204,718 paid; nearly all of their 8,515 Part D prescriptions were generic (95%). Amgen Inc. was the largest of 5 companies reporting payments in 2025, $587.68 in all, mostly food and beverage.

Overview

NPI	1558334888
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Feb 8, 2006
Last updated in NPPES	Jun 2, 2016

Specialties and licenses

Taxonomy	Code	License	State
Specialist Primary	174400000X	MD5877	HI

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

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

Medicare

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

Medicare services in 2024

Medicare patients	1,210
Services billed	425,826 across 76 procedure codes
Paid by Medicare	$5,204,718

Part D prescriptions in 2024

Prescriptions (claims)	8,515 · 17,883 30-day fills
Patients	1,046
Total drug cost	$2,121,987
Generic share	95% 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	Rheumatology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth