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William James Clark, DDS, MD

NPI 1487740007ActiveIndividual· Dentist, Oral and Maxillofacial Surgery· Oxnard, CA

Dentist, Oral and Maxillofacial Surgery (DDS, MD) in Oxnard, California, licensed in CA, with an NPI issued in October 2006. Part D covered 543 prescriptions written in 2024, 100% of them generic. Henry Schein, Inc. was the largest of 2 companies reporting payments in 2025, $62.66 in all, mostly food and beverage.

Overview

NPI1487740007
StatusActive
Entity typeIndividual
CredentialDDS, MD
Sole proprietorNo
NPI issuedOct 4, 2006
Last updated in NPPESApr 14, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Dentist, Oral and Maxillofacial Surgery Primary1223S0112X39247CA
Dentist, Oral and Maxillofacial Pathology1223P0106X39247CA
Dentist, Oral and Maxillofacial Radiology1223X0008X39247CA

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 Order and Referring Only - Oral Surgery (CA)

Part D prescriptions in 2024

Prescriptions (claims)543 · 543 30-day fills
Patients258
Total drug cost$2,485
Generic share100% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$62.66 · 2 payments from 2 companies
  • 2024$30.99 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Henry Schein, Inc.$46.791
Align Technology, Inc.$15.871

What the 2025 payments were for

  • Food and Beverage$62.66 · 2 payments

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

Other oral surgeons in Oxnard

All oral surgeons in California