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Marc Spencer Elieson, MD

NPI 1700044013ActiveIndividual· Internal Medicine· Waco, TX

Internal Medicine (MD) in Waco, Texas, trained at Texas Tech University Health Science Center School of Medicine (class of 2005). In 2024 Medicare paid $73,404 for 336 patients, and Part D covered 931 of their prescriptions, 87% of them generic. Abiomed was the largest of 4 companies reporting payments in 2025, $102.79 in all, mostly food and beverage.

Overview

NPI1700044013
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedMay 23, 2008
Last updated in NPPESSep 11, 2020
Certified by providerSep 11, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XM9995TX

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)Enrolled Practitioner - Internal Medicine (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients336
Services billed903 across 13 procedure codes
Paid by Medicare$73,404

Part D prescriptions in 2024

Prescriptions (claims)931 · 1,249 30-day fills
Patients325
Total drug cost$58,041
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTexas Tech University Health Science Center School of Medicine
Graduation year2005
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$102.79 · 5 payments from 4 companies
  • 2024$52.66 · 2 payments from 2 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$102.79 · 5 payments

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

Other internal medicine physicians in Waco

All 48 internal medicine physicians in Waco · All internal medicine physicians in Texas