NPI Lens

Angela Tan, MD

NPI 1437358173ActiveIndividual· Internal Medicine, Geriatric Medicine· Orange, CA

Internal Medicine, Geriatric Medicine (MD) in Orange, California, licensed in CA, with an NPI issued in July 2007. Acadia Pharmaceuticals Inc was the largest of 3 companies reporting payments in 2025, $8,668 in all, mostly speaking and faculty fees.

Overview

NPI1437358173
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJul 13, 2007
Last updated in NPPESJul 13, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Geriatric Medicine Primary207RG0300XA94581CA

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

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$8,668 · 13 payments from 3 companies
  • 2024$196.40 · 4 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Acadia Pharmaceuticals Inc$8,4739
Teva Pharmaceuticals USA, Inc.$123.401
Novartis Pharmaceuticals Corporation$71.483

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$7,500 · 1 payment
  • Travel and Lodging$629.69 · 3 payments
  • Food and Beverage$538.49 · 9 payments

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

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