Skip to content

Nicholaos C. Bellos, MD

NPI 1962471128ActiveIndividual· Internal Medicine· Dallas, TX

Internal Medicine (MD) in Dallas, Texas, trained at Baylor College of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $950,016 for 1,138 claims, against $22,935 paid for services in 2024. Gilead Sciences, Inc. was the largest of 11 companies reporting payments in 2025, $63,408 in all, mostly speaking and faculty fees.

Overview

NPI1962471128
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 17, 2006
Last updated in NPPESSep 20, 2024
Certified by providerSep 20, 2024

Specialties and licenses

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 - Infectious Disease (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients49
Services billed15,450 across 32 procedure codes
Paid by Medicare$22,935

Part D prescriptions in 2024

Prescriptions (claims)1,138 · 2,218 30-day fills
Patients80
Total drug cost$950,016
Generic share80% of claims

Medicare sources and data years

Education and affiliations

Medical schoolBaylor College of Medicine
Graduation year1981
Medicare specialtyInfectious Disease
Secondary specialtiesInternal Medicine

Medical groups

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$63,408 · 84 payments from 11 companies
  • 2024$49,223 · 53 payments from 3 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$51,485 · 15 payments
  • Travel and Lodging$9,725 · 14 payments
  • Food and Beverage$2,198 · 55 payments

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

Other Internal Medicine providers in Dallas

All Internal Medicine providers in Texas →