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Katherine P. Liao, MD

NPI 1013962703ActiveIndividual· Internal Medicine, Rheumatology· Boston, MA

Internal Medicine, Rheumatology (MD) in Boston, Massachusetts, trained at State University of New York Downstate Medical Center (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $335,337 for 221 claims, against $3,115 paid for services in 2024. Merck Sharp & Dohme LLC reported $3,870 in payments in 2025, mostly consulting fees.

Overview

NPI1013962703
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 23, 2006
Last updated in NPPESMay 25, 2023
Certified by providerMay 25, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500X230002MA

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 - Rheumatology (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients29
Services billed41 across 8 procedure codes
Paid by Medicare$3,115

Part D prescriptions in 2024

Prescriptions (claims)221 · 372 30-day fills
Patients31
Total drug cost$335,337
Generic share63% of claims

Medicare sources and data years

Education and affiliations

Medical schoolState University of New York Downstate Medical Center
Graduation year2004
Medicare specialtyRheumatology
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$3,870 · 2 payments from 1 company
  • 2024$697.25 · 6 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Merck Sharp & Dohme LLC$3,8702

What the 2025 payments were for

  • Consulting Fee$3,720 · 1 payment
  • Travel and Lodging$150.00 · 1 payment

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

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