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Donald S. Clem III, D.D.S.

NPI 1770673287ActiveIndividual· Dentist, Periodontics· Fullerton, CA

Dentist, Periodontics (D.D.S.) in Fullerton, California, licensed in CA, with an NPI issued in October 2006. Part D covered 528 prescriptions written in 2024, 99% of them generic. Geistlich Pharma, North America, Inc. was the largest of 2 companies reporting payments in 2025, $342.53 in all, mostly food and beverage.

Overview

NPI1770673287
StatusActive
Entity typeIndividual
CredentialD.D.S.
Sole proprietorNo
NPI issuedOct 13, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Dentist, Periodontics Primary1223P0300X29240CA

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Order and Referring Only - Dentist (CA)

Part D prescriptions in 2024

Prescriptions (claims)528 · 538 30-day fills
Patients228
Total drug cost$3,264
Generic share99% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$342.53 · 9 payments from 2 companies
  • 2024$9,790 · 10 payments from 4 companies

Top paying companies in 2025

CompanyAmountPayments
Geistlich Pharma, North America, Inc.$195.092
Straumann USA LLC$147.447

What the 2025 payments were for

  • Food and Beverage$342.53 · 9 payments

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

Other Dentist, Periodontics providers in Fullerton

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