NPI Lens

Grace Koh, DDS

NPI 1497769913ActiveIndividual· Dentist, Periodontics· Buffalo Grove, IL

Opted out of Medicare from December 2016 to December 2026. Dentist, Periodontics (DDS) in Buffalo Grove, Illinois, with an NPI issued in July 2006. Part D covered 190 prescriptions written in 2024, 100% of them generic. Dentsply Sirona Inc reported $78.56 in payments in 2025, mostly food and beverage.

Overview

NPI1497769913
StatusActive
Entity typeIndividual
CredentialDDS
Sole proprietorNo
NPI issuedJul 28, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Dentist, Periodontics Primary1223P0300X—IL

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)Not in the public enrollment file of Oct 1, 2026
Opt-outOpted out Dec 19, 2016 – Dec 19, 2026
Can order and referYes

During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.

Part D prescriptions in 2024

Prescriptions (claims)190 · 190 30-day fills
Patients72
Total drug cost$592.88
Generic share100% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$78.56 · 2 payments from 1 company
  • 2024$312.22 · 4 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Dentsply Sirona Inc$78.562

What the 2025 payments were for

  • Food and Beverage$78.56 · 2 payments

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

Other periodontists in Buffalo Grove

All periodontists in Illinois