NPI Lens

James Warren, D.D.S.

NPI 1861877623ActiveIndividual· Dentist, General Practice· Millbrae, CA

Dentist, General Practice (D.D.S.) in Millbrae, California, licensed in CA, with an NPI issued in July 2015. Part D covered 14 prescriptions written in 2024, 100% of them generic. Straumann USA LLC was the largest of 4 companies reporting payments in 2025, $1,036 in all, mostly education.

Overview

NPI1861877623
StatusActive
Entity typeIndividual
CredentialD.D.S.
Sole proprietorYes
NPI issuedJul 22, 2015
Last updated in NPPESApr 22, 2021
Certified by providerApr 22, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Dentist, General Practice Primary1223G0001X64795CA

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 - Dentist (CA)

Part D prescriptions in 2024

Prescriptions (claims)14 · 14 30-day fills
Patients12
Total drug cost$41.54
Generic share100% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$1,036 · 16 payments from 4 companies
  • 2024$50.52 · 3 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Straumann USA LLC$634.007
Align Technology, Inc.$199.846
Zimvie Inc.$184.862
Zest Holdings, LLC$16.921

What the 2025 payments were for

  • Education$675.00 · 9 payments
  • Food and Beverage$360.62 · 7 payments

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

Other general dentists in Millbrae

All 19 general dentists in Millbrae · All general dentists in California