Skip to content

Brian Chi Tao Pien, M.D.

NPI 1457436941ActiveIndividual· Internal Medicine, Infectious Disease· Honolulu, HI

Internal Medicine, Infectious Disease (M.D.) in Honolulu, Hawaii, trained at University of Hawaii John A. Burns School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $2,458,023 for 3,444 claims, against $251,484 paid for services in 2024. Gilead Sciences, Inc. was the largest of 14 companies reporting payments in 2025, $3,263 in all, mostly food and beverage.

Overview

NPI1457436941
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedOct 25, 2006
Last updated in NPPESFeb 13, 2020
Certified by providerFeb 13, 2020

Specialties and licenses

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 - Infectious Disease (HI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients509
Services billed3,591 across 14 procedure codes
Paid by Medicare$251,484

Part D prescriptions in 2024

Prescriptions (claims)3,444 · 6,124 30-day fills
Patients559
Total drug cost$2,458,023
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Hawaii John A. Burns School of Medicine
Graduation year2000
Medicare specialtyInfectious Disease
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$3,263 · 143 payments from 14 companies
  • 2024$2,855 · 152 payments from 12 companies

Top paying companies in 2025

CompanyAmountPayments
Gilead Sciences, Inc.$1,11640
Abbvie Inc.$704.7538
Insmed, Inc.$561.9131
Merck Sharp & Dohme LLC$291.1410
Viiv Healthcare Company$210.149

What the 2025 payments were for

  • Food and Beverage$3,263 · 143 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other infectious disease specialists in Honolulu

All 39 infectious disease specialists in Honolulu · All infectious disease specialists in Hawaii