NPI Lens

Spencer Robert Berthelsen, MD

NPI 1295763290ActiveIndividual· Internal Medicine· Sugar Land, TX

Internal Medicine (MD) in Sugar Land, Texas, licensed in TX, with an NPI issued in June 2006. Ionis Pharmaceuticals, Inc. reported $891,083 in payments in 2025, mostly speaking and faculty fees.

Overview

NPI1295763290
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 29, 2006
Last updated in NPPESDec 9, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XE8327TX

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$891,083 · 12 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Ionis Pharmaceuticals, Inc.$891,08312

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$889,834 · 5 payments
  • Travel and Lodging$797.84 · 3 payments
  • Food and Beverage$401.58 · 3 payments
  • Gift$50.00 · 1 payment

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

Other internal medicine physicians in Sugar Land

All 189 internal medicine physicians in Sugar Land · All internal medicine physicians in Texas