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Carmen M. Baybayan, MD

NPI 1851487573ActiveIndividual· Internal Medicine· Aiea, HI

Internal Medicine (MD) in Aiea, Hawaii, trained at University of Hawaii John A. Burns School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $874,618 for 3,111 claims, against $35,093 paid for services in 2024. Amgen Inc. was the largest of 14 companies reporting payments in 2025, $3,300 in all, mostly food and beverage.

Overview

NPI1851487573
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedOct 4, 2006
Last updated in NPPESSep 27, 2026
Certified by providerSep 27, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XMD-8434HI
General Practice208D00000XMD-8434HI

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)Enrolled Practitioner - General Practice (HI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients65
Services billed543 across 14 procedure codes
Paid by Medicare$35,093

Part D prescriptions in 2024

Prescriptions (claims)3,111 · 7,574 30-day fills
Patients189
Total drug cost$874,618
Generic share78% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Hawaii John A. Burns School of Medicine
Graduation year1993
Medicare specialtyGeneral Practice
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$3,300 · 105 payments from 14 companies
  • 2024$3,373 · 143 payments from 17 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$3,289 · 104 payments
  • Education$10.68 · 1 payment

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

Other Internal Medicine providers in Aiea

All Internal Medicine providers in Hawaii →