Skip to content

Richard Mark Biebuyck, M.D.

NPI 1770521734ActiveIndividual· Psychiatry & Neurology, Psychiatry· Glendora, CA

Psychiatry & Neurology, Psychiatry (M.D.) in Glendora, California, licensed in CA, with an NPI issued in June 2006. Part D covered 124 prescriptions written in 2024, 98% of them generic. Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $424.93 in all, mostly food and beverage.

Overview

NPI1770521734
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 3, 2006
Last updated in NPPESJul 13, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Psychiatry & Neurology, Psychiatry Primary2084P0800XA78684CA

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)Not in the public enrollment file of Oct 1, 2026

Part D prescriptions in 2024

Prescriptions (claims)124 · 230 30-day fills
Total drug cost$5,444
Generic share98% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$424.93 · 17 payments from 5 companies
  • 2024$761.82 · 35 payments from 8 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$424.93 · 17 payments

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

Other Psychiatry & Neurology, Psychiatry providers in Glendora

All Psychiatry & Neurology, Psychiatry providers in California →