Skip to content

Warren Andrew Ong, MD

NPI 1003896101ActiveIndividual· Psychiatry & Neurology, Psychiatry· Cranston, RI

Psychiatry & Neurology, Psychiatry (MD) in Cranston, Rhode Island, trained at University of Missouri, Kansas City, School of Medicine (class of 1992). Part D covered 2,332 prescriptions written in 2024, 91% of them generic. E.R. Squibb & Sons, L.L.C. was the largest of 11 companies reporting payments in 2025, $128,195 in all, mostly speaking and faculty fees.

Overview

NPI1003896101
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJan 17, 2006
Last updated in NPPESOct 26, 2026
Certified by providerOct 26, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Psychiatry & Neurology, Psychiatry Primary2084P0800X9162RI

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Psychiatry (RI)

Part D prescriptions in 2024

Prescriptions (claims)2,332 · 3,180 30-day fills
Patients134
Total drug cost$623,039
Generic share91% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Missouri, Kansas City, School of Medicine
Graduation year1992
Medicare specialtyPsychiatry
TelehealthOffers telehealth

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$128,195 · 157 payments from 11 companies
  • 2024$98,692 · 116 payments from 6 companies

Top paying companies in 2025

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$88,399 · 36 payments
  • Consulting Fee$21,355 · 8 payments
  • Travel and Lodging$14,216 · 33 payments
  • Food and Beverage$4,225 · 80 payments

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

Other Psychiatry & Neurology, Psychiatry providers in Cranston

All Psychiatry & Neurology, Psychiatry providers in Rhode Island →